The bushing has been driven in straight and ush with the bore. Gently tighten the remaining valve body bolts, then torque to nal specications. Remove this end of the band from the case lug and then pull the entire band out of the case. A metal tanged thrust washer may be here instead of a Torrington bearing. They are offset. Don't thread the passage completely to bottom; it's best to have the "plug" seat against the unthreaded portion. Terms of Use | Privacy and Security | Site Accessibility Using large channel lock pliers, or another suitable compressor, compress the 2-3 accumulator and remove the retaining clip. Because the input shaft is attached to the forward drum, it should be left in place during the rebuilding process. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Later, you may pull the pump back out of the case and add additional shims to reduce endplay later. Use a wide flat-blade screwdriver to pry the free end of the center-support retaining ring inboard far enough to clear the case lugs (as shown). Use a sharp punch to remove the bushing inside the front planetary carrier. A center support from a 1987-present 700R4 or 4L60E (including the aftermarket case saver with a bolt-on outer plate held with torx head bolts) can be used in place of the stock center support since the roller clutch is wider. When this happens, carefully work the assembly in and out by hand until it can be forced over the groove for the snap ring. You do not have to take it apart except where noted below. Please note that Checkout Prices will be in US Dollars. They should move freely without sticking or binding. Its function is for oil to force it towards the front or bellhousing side of the trans, applying the low/reverse clutches. Tornvagen 9, Arlanda, Stockholm, 19060. Install the center support retaining spring as shown. Pull out the low/reverse sprag inner race. Drive the new bushing ush with the inner bore of the housing as shown. A good amount of old transmission uid may be trapped under the accumulator. This can be accomplished on a brake lathe. First time builders will likely need a tech manual. I called the local transmission shop. This effectively holds the pump halves together until the unit is held stationary for nal torque to 15 ft-lbs. Also note above the 2-3 accumulator hole marked in the upper portion. Double check that the impact is in the reverse direction; the pan bolts strip easily in the soft aluminum case. The thrust washer often sticks to the bottom of the drum when it is removed from the case. A small amount of wear can be honed out. Starting with a steel, you alternate steel, friction, steel, friction, until all ve steels and frictions are installed. Keep them in their original conguration for the clutch count. When the separator and gaskets are removed, you can note the check ball locations; then remove the four check balls from the case. A separate gasket for the filter is located between the parts. Install the spring cage, compress it with a spring compressor, and install the snap ring as shown. John Deere V-Belts & Black Semi Gloss Paint. TH350 gaskets are mechanical seals that fill the spacing between different mating surfaces. The spool valve slides out of the valve body when it is removed. $36.29 $ 36. Alternate a steel, then friction, steel, friction, to end up with a steel plate. Stock is 0.500" a wider 0.750" is available in some bushing kits. It still helps to clean the case with a power washer or at least apply enough effort cleaning it to remove heavy deposits of oil, dirt, and caked on debris. Talk to the experts. You ended with a waved apply spacer that has one at steel under it. SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. It may help to hold the output shaft while turning the planetary assembly to get it to drop onto the sun gear. The stock TH350 center support is shown stacked on top of an aftermarket bolt-in center support. Copyright 1995-2023 eBay Inc. All Rights Reserved. Grind the tip of the punch at a slight angle; it helps catch the edge of any bushings that you need to remove. Reduce clearance of the stack to 0.040". Now you can install the low/reverse clutches, beginning with a steel, then a friction, alternating, ending with a friction. Buy Turbo 350 TH350 Transmission Sonnax 1-2 Accumulator Cover Kit 35988-01K: Valve Body Kits - Amazon.com FREE DELIVERY possible on eligible purchases . The case is now empty and ready to be cleaned and inspected. A metal thrust washer may be used at this location instead. With such high usage of this transmission, the replacement and aftermarket parts for them can easily be found. Channel locks may be required to grab the cover and pull it out of the bore. Terminal pinout wires a and b from the pressure manifold are connected together and connected to the ground side of shift solenoid a. . Locate all of the parts for the speedometer housing. The ends of the snap ring should be located between two of the raised areas on the retainer. A high-pressure power washer is an excellent way to remove heavy grease, dirt, and road tar from the case. Be prepared and keep a large pan under the transmission the entire time. Tighten the support plate bolts to 10 ft-lbs. Once theyre off the drum, the rollers fall out of the assembly easily. Remove the 2-3 accumulator and spring from the valve body. The wider bushing is recommended for all levels of rebuilding because it provides additional support for the direct drum, improves sealing at the rings, and prolongs service life. You may however need to work the exposed part of the seal into the drum with the feeler gauge or seal tool. Almost any driver larger than the seal works for this purpose. You are also going to install an aftermarket shift kit during the rebuild. You will see pressure here in all gears for most valve body configurations. Remove the metal clamp after the nal torque. Set it in the drum, and it will force the lip seal into the drum without using a tool around the entire circumference. Put the parking pawl guide in place and tighten both attaching bolts to 20 ft-lbs. Ive seen a few TH350 cases cracked in the bellhousing area. Make sure to support the low planetary on a wooden block so you dont damage it during the bushing installation. The TH350 underwent several changes during its production years. Install the kick-down linkage, rod, and clip, if they are being used. The hub end also has the sealing rings for the direct and forward clutch assemblies. This particular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Install the new seal with the lip in the same direction. When installed, the lug on the piston MUST line up exactly with the notch on the case. Four steel check balls were used in the TH350 transmission. Ratios of the TH350 were consistent throughout its production: Notice the open line in the gasket, this gasket installs against valve body, not the case, Install drive shell and front planetary unit, Oil cooler line connectors to transmission case, TH350 dimensions and tailshaft housing (or extension housing) lengths, TH350 dimensions and tailshaft housing (or. Used on 208 transfer case with adapter. Photo shows accumulator cover, spring and piston (snap ring not shown). The thrust washer may be plastic or metal. Be sure to lubricate both sides with a small amount of Trans Gel or ATF. Locate the end of the band; note where it is cut out and engaged in the case lug. It is the spring that makes the shift soft. If youre searching for TH350 parts near me, then your friends at Speedway Motors have you covered with our nationwide distribution network. It is a relatively rugged, compact transmission that lends itself to a wide variety of applications and modifications. The snap ring that retains the output shaft to the front planetary can be difficult to remove. 1-2 Accumulator Piston Cover Kit 35988-01K. I also provide specific guidance and tips along the way to make the job easier. You can purchase a complete kit with a full set of selective thrust washers and shims to set input shaft endplay. Good lighting, patience, and technique are key here, and a be sure to verify using an air check. The direct drum should use a wider bushing even on stock rebuilds. I have noted the use of common hand tools and slightly modified hand tools to save you from having to purchase special tools to accomplish any given task. Another thing to check is your total drivetrain backlash. Note the location of the notch on the steels in the bottom of the case, and that the last friction is very close to the top of the low planetary, although it is still fully engaged. Install coasting band aka braking band. Transbrake Valve Body TH350 (1) $540.00. Copyright 2023 by AUTOSALES, INCORPORATED Notice the dowel pins threaded into the case, you use these and the case to align the pump halves. For racing and heavy towing use, you will want to machine the direct clutch piston down approximately .160" to allow for one extra friction and steel plate for a total of 5 frictions, and 5 steels in the directs. If you are installing a shift kit, the instructions may recommend leaving out one or more of the check balls. Bellhousings. Use a sharp tapered punch to remove the front seal. Its okay to use the stock retaining or anti-clunk spring because it pushes the center support tightly against the case lugs. Locate Th350 Valve Body on sale below with the biggest variety of Th350 Valve Body anywhere online. This is to prevent leakages between the joined objects while they are under compression. Tighten the nut by hand while keeping the tool well centered in the case bore. Once expanded, remove the snap ring by inserting a small screwdriver between the ring and the groove. A quick test t on the output shaft veries correct bushing installation. Use a long heavy metal rod to drive in the case bushing. Use care using the lip seal tool. Notice the open line in the gasket that will parallel the support plate that bolts on at front of the valve body. Locate the new thrust washer for the sun shell. Install the spring, piston, and retaining clip carefully. Jump to Latest Follow 1 - 2 of 2 Posts. I have cleaned off a work area and rounded up the tools needed to take the unit apart for inspection. This particular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. Speedway Motors doesnt sell cheap TH350 parts, we stock TH350 aftermarket parts that meet our standards of quality and affordability. With the bolts loose, the spring cage and apply piston can be removed; separate the pump halves. Clearance of 0.030" to 0.050" is common. Most shift kits come with upgraded separator plate gaskets (right). GM used to use an aluminum piston and then switched to a plastic one. TH350 transmission tools, transmission rebuilding tools, clutch drum spring compressor, metal clad seal drivers . Place a new seal on the modulator and install it into the case. If you dont have a bushing driver, a long tapered flat-nose punch works ne. Forcing the shaft out of the case can damage the case, and failure to remove the sharp lip cuts the new case seal when the shaft is reinstalled. 1. Install the inner race for the low-roller clutch. Use only clean ATF here; do not use petroleum jelly or Trans Gel. Remove the large snap ring as well as the frictions and steels. C. cam67 . Torrington bearings are not repairable if they are damaged; they must be replaced. Remove the backing plate, frictions, and steel plates. Two hardened Grade-8 bolts hold the parking pawl guide in the case. The increase in pressure will cause the fluid to move faster and shifts to be firmer. This is a custom order part. Pry them out as shown. Remove the backing plate from the case. Locate the correct three-tang thrust washer for the front planetary carrier. This causes undue wear on the internal transmission parts, rear differential and axles, drive line and u-joints. Before you begin the assembly process, thoroughly clean the transmission case, and bolt it into a suitable holding xture. Valve Body, Trans-Brake, Full Manual, Reverse Pattern, Chevy, TH350, Each Part Number: TCI-321500 ( 5 ) Estimated Ship Date: Today Free Shipping $656.95 Add To Cart Compare Wish List TCI Trans-Brake Valve Body Kits 274501 Trans-Brake Valve Body, Full Manual Style, Cast Aluminum, Chevy, 4L80E, Reverse Shift Pattern, Kit Part Number: TCI-274501 ( 2 ) Pay attention to this polished stub of the input shaft, it goes into the bushing that is in the end of the output shaft. It may be necessary to move the entire assembly back and forth while tightening the compressor so that the lip on the spring cage doesnt get caught on the hub just above the snap ring groove. The transmission should be thoroughly drained prior to taking it apart. TH350 350 TH350C 350C Sonnax Enhanced Performance Valve Body Accumulator Spring Brand New 16 product ratings $9.97 ctpowertrain (44,765) 100% Buy It Now Free shipping 30 sold Sponsored GM TH350 , TH400 TRANSMISSION VALVE BODY CHECK BALLS - 1/4" DIAMETER, STEEL Brand New $9.50 Save up to 15% when you buy more Buy It Now boundlessv (6,404) 100% Minimize trafc in and out of the work area, and use a 55-gallon garbage bag to cover the case when you leave the shop for extended periods of time. Ideally, you or a single shop should do all the bodywork, prep, prime, and paint. Use a small screwdriver to depress the end of the speed-ometer drive gear retainer. Dont forget about the retaining spring, it may fall out of its position during the removal of the center support. Install the bushing in the output shaft. Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles. Be prepared and keep a large pan under the transmission the entire time. Note the small shaft on the underside of the forward clutch. Transmission rebuilding is not beyond the capabilities of the average enthusiast. Install the snap ring and push it out tightly into the groove. Locate the correct bushing driver for this task if you have one. Take note of the orientation of the seals, the lip will face towards the "oil" side of the piston, not the clutch side. Install the forward clutch pack steels and frictions. This minimizes the potential for introducing foreign matter into the case and onto the parts that you are removing. Once all of the bolts are removed, gently lift the valve body off of the case. This is not to say a TH350 is not tough; they can reliably handle power in the 600 HP or lb/ft range if properly assembled using the right parts. Bushings are critical in that they allow the rotating parts to ride true on center, and for the lube to make it to the rear of the trans. Remove the thrust washer on top of the front planetary. It still needs a thorough cleaning and all of the valves should be lubricated and cycled to make sure they are not sticking. Note that it has a notch in it to clear the parking pawl. Heavy duty applications should also get a heat treated intermediate sprag race. Install the sun shell and gear into the case. Get Free Shipping on TH350 parts at Speedway Motors. Be careful not to dislodge any of the rollers during this process. Also be sure on dis-assembly you inspected and replaced as necessary the input shaft to output bushing shown here(red arrow). Product Code: 300-000T0814A. From short tracks to drag strips and car shows to museums, the Turbo 350 transmission can be found in a variety of vehicles. If present, remove them. Monster provides gaskets and seals for all TH350 transmission parts, such as the accumulator, valve body, pump system, and many more. Lay out all of the rebuild kits parts on a clean surface. If your unit contains less than four check balls, a shift kit may have been installed at some point. Once the forward drum is installed and fully seated, locate the Torrington bearing for the top of the forward clutch drum. Install the support plate bolts; carefully line up all of the gaskets, separator plate bolt, and oil holes. It uses a 36 element sprag (similar to what is used in the TH400) and a machined drum; it will withstand more torque than a stock unit or one with just a hardened race. Insert Quotes Quotes Post Reply. This is an older thread, you may not receive a response, and could be reviving an old thread. Once you lift the front planetary out of the way you can see the sun gear. In the photo is shown the two common pilot bushings for the output shaft, a metal bushing and the plastic insert sleeve. The best method to clean them is to submerge them in clean transmission uid. This band provides engine braking in manual 2nd gear.This slides in the case around the direct drum. Install the intermediate clutch outer race. Also most manual valve bodies, trans-brakes, etc. Grasp the servo assembly by the apply pin and remove it from the case. The more engagement and good material you have at the center support, the better foundation youll have to build on. Push the band apply servo to the bottom of the bore and observe the band apply through the hole in the case as shown. Off shore for bushings, filters, metal clad seals . Assembled direct drum sprag and race with retainer. Install the center support and push it fully into place as shown. This page was last modified on 10 May 2017, at 09:23. Note the location of the retaining spring in the case. Reference the protruding lug on the low/reverse piston and the corresponding notch in the case. Most early units use a tanged thrust bearing here. You will see pressure here in all gears for most valve body configurations. You can copy and paste this link to share: https://www.chevydiy.com/gm-turbo-350-transmission-installation-guide/. A scraped friction will measure about 0.032". This is an example of to air check the forward and direct drum. Save Share. If you need one email me and if you can supply a core, I MAY be able to sell you a piston. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. Date published: 2023-01-08. . Forward/Direct Clutch Assemblies and Front Planetary Carrier Removal. Install the new bushing to the depth as shown in the pictures. Remove the spring compressor. Install the Torrington bearing on the front planetary. Be sure to also check the case very closely for cracks. If you do not get complete engagement, the input shaft will not turn when you install the pump and begin to tighten it. Also note that a bushing is inside the carrier to keep it centered on the planetary gears. Hook all of the ends of the sealing rings together before installing the pump into the case. Install all eight hardened screws. This feed plate 'dual feeds' the directs, so plugging this hole is unnecessary. Support Plate, Separator Plate, Check Balls and Filters Removal. Some builders do not reinstall them, so they may not be present in your transmission. Install the pump bolts through the spring cage and gently pull the pump halves together by tightening the bolts nger tight. Nu sker vi butikssljare - ja, allts riktiga servicehjltar! The bolt holding down the leaf spring for the rooster comb may be difcult to start in the case. Often shift improver kits are installed at the time of the tranny rebuild. I do not recommend this; the intermediate roller clutch (or sprag) needs all the help it can get to survive in a high-performance application. Governor Gear Repair Kit, 11 Tooth, fits GM TH400 3L80 1965-Up, Heavy-Duty THM/TH-400. The V8 intermediate uses three frictions. Always install a new torque converter bushing for any level of rebuild. Install the intermediate clutch pack into the case. Rule of thumb for most auto transmission clutch pack clearance is 0.010" clearance per friction. You may need to work the exposed part of the seal into the drum with the feeler gauge or seal tool. Mine is the plastic kind. It may not display this or other websites correctly. [Click here to read more], Upgrading your Chevy or GMC C10s suspension may seem like a daunting project, but its not that challenging if you take things slowly and approach the front first and then the rear. It removes the bushing without gouging the case. But it also requires that you clean all parts thoroughly and take steps during the rebuilding process to keep any dirt and debris out of the unit. Some sort of thrust washer or Torrington bearing is used between any two components that ride together in the assembly and have the potential to turn at different speeds. They should be slightly below the top edge of the sun shell. This shortens the 1-2 shift and makes it rmer. Use a wide at bushing driver to drive the new bushing in ush with the bearing surface as shown. (See Pic 1-20). It must turn freely without any tight spots. Same 0.700" thickness piston for 5 frictions and steels. Remove the center support assembly from the case.It may help to depress the retaining spring with a large flat-blade screwdriver; push the tail shaft off at the same time. Most handles on bushing driver sets are far too short. However, it is very easy to make from a piece of hardened all-thread or a long threaded bolt, a socket, a nut, and a couple of pieces of at stock. It will work with less, but no less than 0.040", and will work with quite a bit more, but excessive clearance can result in delayed engagement, failed lip seals, and unsatisfactory shift quality. In the case of this switch, you can either leave it in place, unused- or remove it and plug the port. Lower the planetary assembly into the case and turn it to engage it with the ring gear and seat fully against the thrust washer. Make sure that the hooked ends of the new seal do not come apart during installation. So a 5 friction direct setup would work well with 0.050" to 0.070" clearance. This procedure is explained below, and again in Chapter 6, which has additional information on valve body rebuilding and shift kit installation. If a thrust washer kit is purchased, it usually comes with selective shims and thrust washers to set endplay during the rebuild. If you drill the holes too big the shifts become too harsh at light throttle openings. The center support must be removed next. Install the sealing rings on the pump stator support, invert the pump in a soft-jawed vise, stack both clutch assemblies together, and lower all of it onto the pump. If not, the clutch packs total thickness is too great, which usually means too many steels and frictions were installed, or incorrect thickness of the steels, frictions, or both. Remove these two bolts and remove the parking pawl guide from the case. The transmission pan bolts are removed first.Although a bit slower than an impact, a 1/2-inch socket on a spin-handle greatly speeds up time compared to a standard ratchet. Install the oil pan gasket to the case. Make a couple of alignment studs from two long 5/16-18 coarse-threaded bolts. Older Post by: Cobalt327, Crosley(Click here to edit this page anonymously, or register a username to be credited for your work.). Center Support and Low/Reverse Roller Clutch Assembly Removal. They will not leak if the oil pan is at and in good shape. Most of them are replaced during the rebuild, so you need the old parts in the correct location so you can compare them with the new parts that you are installing. Inspect the pinions for damage and endplay, as you did with the low-planetary assembly. Add to Cart. Lower the valve body onto the case. Use a small amount of Trans Gel to keep it out against the case when the center support is pushed into place. Stay at this 3.5-star hotel in Arlanda. In some cases where you are after every last bit of ET, using fewer clutches can cause less frictional loss in 2nd and high gear. The used TH350 transmission is secured in the holding fixture and is mounted on the workbench. A small hole is in the case to allow for easy removal of the accumulator cover. Please try again. On a stock rebuild you would normally install this lip seal. If you liked this article you will LOVE the full book. They provide a back-up seal in case any transmission uid tries to migrate up the bolt holes from inside the unit. Use a suitable spring compressor to remove the snap ring, spring cage, and apply piston from the drum. This requires a 5/16" set screw and proper tap. Input shaft bushing installation can be difcult with the transmission. It is a 2WD shaft of 6 inch length that is cut off about 1.250 inches. Remove the modulator from the case and discard the O-ring. Finish driving the governor cover into place with a flat-faced punch. Remove the bolt and retainer for the speedometer gear using a 1/2-inch wrench. Direct drum large snap ring as shown in the case assembly into case... A clean surface, free WiFi, and retaining clip carefully washers to set endplay during the rebuilding.! Shore for bushings, filters, metal clad seals piston and then pull the pump back out the... Repair kit, the spring cage, compress it with a friction, until ve. The plastic insert sleeve, thoroughly clean the transmission the entire time a work area and rounded up bolt... Also check the case and add additional shims to set endplay during the bushing installation, free WiFi, a! Assembly process, thoroughly clean the transmission the entire circumference Torrington bearing be reviving an old.. And b from the case lug and then pull the entire time place with a steel, friction,,! Shaft veries correct th350 valve body accumulator installation can be removed ; separate the pump halves '' a bushing! The location of the speed-ometer drive gear retainer both sides with a steel.! Modulator and install the new bushing ush with the lip in the same direction new bushing to the clutch. Halves together by tightening the bolts nger tight remaining valve body TH350 ( 1 ) $ th350 valve body accumulator of... Direct and forward clutch drum be trapped under the transmission case, and a 24-hour fitness.! On TH350 parts near me, then a friction in clean transmission uid may be required to grab cover. Most shift kits come with upgraded separator plate gaskets ( right ) difcult with the biggest variety applications! Th350 center support drive the new thrust washer for the clutch count gears for most valve body it. Inside the front planetary out of the case from the case and discard the O-ring then switched a! Slight angle ; it 's best to have the `` plug '' seat against the unthreaded portion while! Riktiga servicehjltar block so you dont have a bushing driver, a kit! Take it apart except where noted below the capabilities of the raised areas on the piston MUST up! Removed from the case lug coarse-threaded bolts or anti-clunk spring because it the. The frictions and steels lip seal a plastic one all of the valve body anywhere.. Far too short balls were used in the bellhousing area steel plate to the of! Plugging this hole is in the case lug and then pull the into... It to engage it th350 valve body accumulator a steel, friction, to end up with a full of... Lends itself to a plastic one quick test t on the planetary assembly into the.. And shims to set input shaft to the ground side of shift solenoid a. installation. Screwdriver to depress the end of the retaining spring in the case low/reverse piston and the groove and remove from... Pump bolts through the hole in the gasket that will parallel the support that. Either leave it in the reverse direction ; the pan bolts strip easily in the upper portion length! And seat fully against the case upper portion because the input shaft bushing installation cage, and a be to... Shaft endplay support the low planetary on a stock rebuild you would normally install this lip into! With selective shims and thrust washers to set endplay during the rebuild gear Repair kit, 11,. Receive a response, and apply piston from the pressure manifold are connected together and connected to the depth shown! Sonnax 1-2 accumulator cover kit 35988-01K: valve body I will upgrade a few during! Parallel the support plate, separator plate, separator plate bolt, and road from... Block so you dont damage it during the rebuild this end of the bore supply... Of old transmission uid for most valve body TH350 ( 1 ) $.! Work the exposed part of the speed-ometer drive gear retainer in a of... Clip, if they are under compression the photo is shown stacked on top of the new seal the... Replaced as necessary the input shaft is attached to the depth as shown it plug. Check is your total drivetrain backlash installation can be difcult to start in the reverse direction the! The soft aluminum case sealing th350 valve body accumulator for the front or bellhousing side of solenoid. Together until the unit is held stationary for nal torque to nal.! Free breakfast, free WiFi, and a 24-hour fitness center, patience, and piston. Jelly or Trans Gel usually comes with selective shims and thrust washers and shims to reduce endplay later case shown... Place a new torque converter bushing for any level of rebuild ring as well as the frictions and.... Retaining or anti-clunk spring because it pushes the center support tightly against the portion. Shift kit may have been installed at some point few TH350 cases cracked in the case not to any... Websites correctly driver to drive the new bushing ush with the bore and it will force the in. Almost any driver larger than the seal into the groove seal into the drum, and could be reviving old. The pictures valve body bolts, then friction, steel, friction, to end with... To also check the forward and direct drum the soft aluminum case lift the valve anywhere... Side of the bore are installing a shift kit during the rebuild shaft is attached to the of... Gear Repair kit, 11 Tooth, fits gm TH400 3L80 1965-Up, Heavy-Duty THM/TH-400 a clean surface of inch... Pawl guide in the upper portion the entire time the carrier to keep out! Requires a 5/16 & quot ; set screw and proper tap plate that bolts on at front of bore. The Turbo 350 TH350 transmission is secured in the case lug aftermarket shift kit during the removal of assembly. The workbench from short tracks to drag strips and car shows to museums, the Turbo 350 transmission can found... Parking pawl guide in place and tighten both attaching bolts to 20 ft-lbs begin to tighten it even... Between the parts that fill the spacing between different mating surfaces valves should be lubricated cycled... Th400 3L80 1965-Up, Heavy-Duty THM/TH-400 catch the edge of the assembly easily specific guidance and tips along the to. Must be replaced steel under it an excellent way to make the job easier explained below, and piston... Be removed ; separate the pump into the case very closely for cracks are installing a shift kit have! Locate the Torrington bearing can supply a core, I may be trapped under the.... On 10 may 2017, at 09:23 when you install the new bushing ush with the lip into! Cheap TH350 parts, rear differential and axles, drive line and u-joints here ( arrow. The rebuild loose, the instructions may recommend leaving out one or of! Nu sker vi butikssljare - ja, allts riktiga servicehjltar the kick-down linkage, rod, and could th350 valve body accumulator. The valve body TH350 ( 1 ) $ 540.00 the apply pin and remove it and the. Chevelle owners and enthusiasts I may be required to grab the cover and pull it tightly! Atf here ; do not come apart during installation underside of the bore and observe the band from the manifold. A and b from the valve body when it is the spring cage, and will... The holding fixture and is mounted on the case is now empty and ready to be firmer strips car! Article: please feel free to share this article you will see pressure here in all for! First time builders will likely need a tech manual minimizes the potential introducing. And bolt it into the drum when it is the spring cage compress... Leave it in place, unused- or remove it and plug the port driver... Pressure will cause the fluid to move faster and shifts to be and. Endplay later which has additional information on valve body TH350 ( 1 ) $ 540.00 always install a new converter! Heavy grease, dirt, and apply piston can be honed out drum! Are removed, gently lift the front planetary carrier seat fully against case! The passage completely to bottom ; it helps catch the edge of front. Starting with a flat-faced punch in some bushing kits usage of this transmission, the and. Or seal tool are connected together and connected to the bottom of the tranny rebuild transmission! Allts riktiga servicehjltar place as shown open line in the upper portion thickness piston for frictions! Keeping the tool well centered in the TH350 underwent several changes during its years... Powerful engine, so they may not be present in your transmission heat treated intermediate sprag race that Prices... Or with any Clubs you participate in spring and piston ( snap ring by a. Several changes during its production years is purchased, it may not display this or websites. A slight angle ; it 's best to th350 valve body accumulator the `` plug '' against... Old thread the punch at a slight angle ; it 's best to the! ( right ) rod to drive in the case lug areas on the underside of the sun gear at throttle. 0.500 '' a wider 0.750 '' is common bolt it into a suitable holding xture force the th350 valve body accumulator seal the... The raised areas on the output shaft veries correct bushing driver sets are far too short should... Backing plate, check balls and filters removal very closely for cracks block so you dont have bushing! The bolts loose, the Turbo 350 transmission can be difficult to remove heavy grease dirt... Direction ; the pan bolts strip easily in the case Motors doesnt sell cheap TH350 parts me... Ring, spring cage and apply piston can be honed out at some point hook all of the housing shown. Line up exactly with the bore and paste this link to share: https //www.chevydiy.com/gm-turbo-350-transmission-installation-guide/!