Automatic Transaxle/Transmission: Assembly: Transmission: Notes
Special Tool(s)
Material
NOTE:
The bearing type pump is shown, the seal type pump is similar. Use this procedure for transmissions equipped with a bearing or seal type converter housing fluid pump.
- Thoroughly clean the transmission case and extension housing in solvent and blow dry with compressed air.
- Inspect the transmission case for the following:
- Stripped bolt hole threads.
- Gasket and mating surfaces for burrs or nicks.
- Obstructions to vent and fluid passages.
- Cracks or warpage.
- Inspect the extension housing for cracks, burrs or warpage.
- Inspect case bearing for damage. Install new components as needed. Follow steps 6-8 if replacing the case bearing. If not replacing the case bearing, proceed to Step 8.
- Using the special tool, remove the case bearing.
- Use an oil stone to remove any nicks or burrs in the bearing case bore.
- Inspect the rear case inner race for burrs, nicks and scoring. If any damage has been found, a new case must be installed.
- Install a new case bearing.
- Assemble the special tool.
- Position new case bearing onto special tool.
- Using the special tool, tap case bearing into case bearing bore.
- Install the special tool on the rear of the transmission case.
- Attach the fixture arm of the special tool as shown.
- WARNING: Make sure the lock pin on the special tool is secure. Failure to follow these instructions may result in personal injury.
Install transmission into the special tool.
- Rotate the transmission so that the fluid pan rail is facing up.
- Using the special tool, install the manual control lever shaft seal.
- Lubricate the manual control lever shaft seal with petroleum jelly.
- Assemble the manual valve inner lever and parking lever actuating rod as shown.
- Install the manual control lever shaft.
- Install the manual control lever shaft spring pin.
- Tap the manual control lever shaft spring pin into the transmission case.
- Install the manual valve inner lever and parking lever actuating rod on to the manual control lever shaft.
- Install the manual valve inner lever nut on the manual control lever shaft and tighten.
- Install the output shaft thrust washer (No. 11).
- Coat the output shaft thrust washer with petroleum jelly.
- Install the park gear.
- Install the low/reverse brake drum.
- Rotate the low/reverse brake drum clockwise to install.
- If not already installed during subassembly, install the No. 10B needle bearing onto the output shaft ring gear and hub assembly.
- Coat the needle bearing with petroleum jelly.
- Install the output shaft through the output shaft park gear.
- Install the output shaft ring gear and output shaft hub.
- Install a new output shaft retaining ring.
- Install the output shaft sleeve.
- Install low/reverse planetary carrier needle bearings.
- Install low/reverse planetary carrier needle bearing (No. 8) on the front face of the low/reverse planetary.
- Install low/reverse planetary carrier needle bearing (No. 9) on the rear face of the low/reverse planetary.
- Coat the low/reverse planet carrier needle bearing (No. 8) and low/reverse planetary carrier needle bearing (No. 9) with petroleum jelly.
- Install the low/reverse planetary assembly with No. 8 and No. 9 low/reverse planetary carrier needle bearings into the output shaft ring gear.
- Install the low/reverse retaining ring into the low/reverse brake drum groove.
- Install the low/reverse band over the low/reverse brake drum.
- Temporarily install the low/reverse band servo piston and rod to hold the low/reverse band in position.
- Install the previously assembled forward geartrain assembly.
- WARNING: Make sure the lock pin on the special tool is secure. Failure to follow these instructions may result in personal injury.
Rotate transmission assembly so that the converter housing surface is facing up.
- Select the intermediate brake drum thrust bearing (No. 4) as follows:
- Install the special tool on case assembly shoulder.
- Set the special tool on top as shown.
- Calculate the thrust bearing thickness.
- Extend the micrometer probe until it contacts the intermediate brake drum thrust bearing surface. Record the reading. This is dimension A.
- Place the micrometer on the opposite side of the special tool and repeat measurement. This is dimension B.
- Add dimension A and B, divide the total of A and B by 2. Then subtract the special tool thickness 17.78 mm (0.700 in). Record this reading as dimension C.
- Place the special tool across the center support. Place the micrometer on the top of the special tool.
- Extend the micrometer probe until it makes contact with the center support thrust bearing surface. Record this reading as dimension D.
- Place the special tool on the opposite side of the special tool.
- Extend the micrometer probe until it makes contact with the center support thrust bearing surface. Record this reading as dimension F.
- Add dimensions D and F. Divide the total of D and F by two. Subtract the special tool thickness 17.78 mm (0.700 in) dimension E. The result is dimension G.
- Add dimensions C and G. This total is dimension H. Use the following chart to select the correct No. 4 thrust bearing. Reference end play is 0.20-0.54 mm (0.008-0.021 in).
- Install the intermediate servo actuating lever.
- Install the intermediate band actuating lever shaft through the intermediate servo actuating lever.
- Install the intermediate band apply strut on the intermediate servo actuating lever.
- Install the intermediate band.
- Install the intermediate band anchor strut and the intermediate band adjustment screw.
- Install the selected intermediate brake drum thrust washer (No. 4) on the center support.
- Coat the intermediate brake drum thrust washer with petroleum jelly.
- Install the center support.
- Position the center support into the intermediate brake and direct clutch drum.
- Temporarily insert input shaft and gently wiggle it until the center support is seated against the case shoulder, then remove the input shaft.
- Install the center support retaining ring.
- Position center support retaining ring with the tapered side facing up.
- Install the center support retaining ring so that the notch opening is not obstructed.
- Install the center support locknut and cage.
- Install the center support-to-case capscrew.
- Install the Turbine Shaft Speed (TSS) sensor.
- Install the TSS sensor.
- Install TSS sensor screw.
- Install the center shaft thrust bearing (No. 3).
- Install the overdrive planetary and one-way clutch assembly.
- Using the special tool, check TSS sensor air gap.
- Place the thin blade of the special tool over the TSS sensor.
- Rotate the trigger wheel and repeat checks for all windows.
- Using the special tool, check TSS sensor air gap.
- Place the thick blade of the special tool over the TSS sensor.
- Rotate the trigger wheel and repeat checks for all windows.
- Install the front brake drum and coast clutch drum assembly.
- Install the front servo band lever and front band lever-to-case bracket into the transmission case.
- Install the front band actuating lever shaft through the front servo band lever.
- Install the front band apply strut.
- Install the front band over the front brake and coast clutch drum.
- Install the front band anchor strut.
- Install the front band adjusting screw.
- Perform front end play check procedure as follows:
- Coat the fluid pump inlet thrust washer (No. 1) with petroleum jelly.
- Install the fluid pump inlet thrust washer (No. 1) on the rear of the fluid pump and place pump into position in case.
- Measure the front end play clearance.
- Place special tool across the case.
- Insert the special tool and extend the micrometer probe until it contacts the fluid pump face.
- Read the measurement and subtract special tool thickness 17.78 mm (0.700 in). This is dimension A.
- Repeat the measurement at the opposite side of the transmission case. This is dimension B.
- Add dimensions A and B together and divide by two. This is front end clearance dimension C.
- Use dimension C and the chart below to select the correct thickness fluid pump inlet thrust washer (No. 1).
CAUTION:
Make sure the bearing seal ring is facing the drive handle.
CAUTION:
Use care not to damage the fluid pan rail surface when installing the retaining pin.
NOTE:
Align the manual control lever shaft alignment groove with the manual control lever shaft spring pin bore in the transmission case.
CAUTION:
Align the flats on the manual valve inner lever with the flats on the manual control lever shaft.
CAUTION:
To avoid damage, do not allow the wrench to strike the manual valve inner lever pin.
CAUTION:
The tabs on the output shaft thrust washer (No. 11) point into the case. Make sure the thrust washer is correctly seated.
CAUTION:
Always install a new output shaft retaining ring.
NOTE:
Install the output shaft sleeve with the cone facing up.
CAUTION:
Make sure needle bearings stay in place.
Fig 32: Installing Low/Reverse Planetary Assembly With No. 8 And No. 9 Low/Reverse Planetary Carrier Needle Bearings
CAUTION:
The low/reverse brake drum must be pulled forward to install the low/reverse planet retaining ring.
CAUTION:
Make sure band is resting on the two anchor pins in the case.
NOTE:
The intermediate band lever shaft is shorter than the front band lever shaft.
NOTE:
Make sure that the intermediate apply strut is aligned with the band notch.
NOTE:
Use the intermediate band adjusting screw as a temporary alignment guide.
NOTE:
The intermediate and front band anchor struts and band adjustment screws are the same.
CAUTION:
Do not apply pressure to the center support while installing. Damage to sealing rings can result. Make sure the rear planetary support is seated.
NOTE:
Align the center support screw hole with correct case hole.
CAUTION:
Install the center support retaining ring with the tapered side facing up.
CAUTION:
Make sure the notch opening is not obstructed by the center support retaining ring.
CAUTION:
Carefully route the turbine shaft speed (TSS) sensor connector and wiring harness through the opening in the case. Do not damage the wiring.
NOTE:
Route TSS sensor electrical connector and wiring through transmission case opening.
CAUTION:
Use only the center shaft thrust bearing (No. 3).
NOTE:
The center shaft thrust bearing (No. 3) has no notches on the outer race.
CAUTION:
Do not bend the trigger wheel.
CAUTION:
The trigger wheel triggering window should pass over the thin blade of the special tool. If it does not, a new overdrive planetary carrier and trigger wheel must be installed.
CAUTION:
The trigger wheel triggering window should not pass over the thick blade of the special tool. If it does not, a new overdrive planetary carrier and trigger wheel must be installed.
NOTE:
Align the clutch plates and front adapter gear.
NOTE:
The front band lever shaft is longer than the intermediate band actuating lever shaft.
NOTE:
If the front band is reused, it must be installed in the same position as when removed.
NOTE:
Use the band adjustment screw as a temporary alignment guide.
CAUTION:
Make sure that the pump body is seated against the thrust washer and the front brake and coast clutch drum. The pump body must be below the level of the case gasket surface.
CAUTION:
The tabs on the washer go into the pump face.
CAUTION:
The special tool must rest on the gasket surface.
CAUTION:
If the average front end clearance is below the specification, choose a thinner washer. If the average is above the specification, choose a thicker washer.
NOTE:
The front end play specification is 0.18-0.70 mm (0.007-0.028 in).