01J Transmission

Hydraulic Control Module

• Observe general repair information. Refer to => [ General Repair Information ] General Repair Information.

• Rules of cleanliness for working on transmissions. Refer to => [ Clean Working Conditions ] Clean Working Conditions.

• Always replace a dirty or faulty hydraulic control module.

Removing

- Remove the end cover. Refer to => [ End Cover, with Transmission Removed ] End Cover, With Transmission Removed.

- Remove the Transmission Control Module (TCM) ( J217). Refer to => [ Transmission Control Module ] 01J Transmission.

- Pull the slider for the selector lever position - C - downward out of the bearing hole of the hydraulic control module.





- Disengage spring - A - from the selector shaft - D -.

- Remove bolts - arrows - and remove the hydraulic control module.





CAUTION!
The hydraulic control module must not under any circumstances be supported on the long pump shaft on the back side or raised up. Otherwise, the blades inside the vane pump will be crushed and the pump damaged.

Installing

Install in the reverse order of removal, note the following:

• Replace gaskets and O-rings.

- Replace axial sealing elements - A - (quantity: 4) and - B -.





- Coat axial sealing elements with ATF before installing.

• Axial sealing elements - A - must be inserted into mounts with smaller diameter facing transmission.

- Install cover - C -, while doing so note locating tab.

• Locating tab on rear side of cover must be inserted into small hole on transmission surface.

- Push lever for the selector shaft - 2 - completely toward front until it stops so that shifting cam - 1 - stands almost vertically (with slight tilt toward right).

- Press control piston - B - on rear side of hydraulic control module completely inward (left) until it engages into assembly spring - A -.





- Insert hydraulic control assembly into transmission. Align unit properly to fit without jamming.

• When installing control module, make sure that shifting cam (item 1 in Fig. A38-0094 ) engages into free groove - arrow - on control piston - B -.

- Hand-tighten bolts - arrows -. Bolt - arrow 1 - is shorter than the other two bolts.





- Check that cover is properly mounted.

• Locating tab - B - must be inserted into hole intended for it on the transmission.

Check Function of Control Piston

- Move selector shaft at detent plate - C - or at lever for selector shaft several times toward left and right.





• When doing this, control piston - B - must travel outward and inward accordingly - arrow -.

If control piston does not move, shifting cam has not engaged into groove - arrow - at control piston on rear side of hydraulic control module. In this case:





- Remove hydraulic control module once again and insert again.

- Tighten bolts - arrows -.





Installing Slider for Selector Lever Position

- Connect roller - B - with collar downward onto slider for selector lever position - C -.





- Engage spring - A - into selector shaft - D - and slider for selector lever position.

- Slide slider for selector lever position into bearing hole in housing of hydraulic control module.

• For the sake of illustration, transmission is shown without hydraulic control module.

- Shift lever for selector shaft - 2 - toward front and rear until stop:





• Detent plate - arrow - moves toward front or toward rear.





• When doing this, it must allow the roller - B - to be engaged in the individual notches.

• Slider for selector lever position - C - moves in steps toward front or rear.

• Roller must be installed with collar facing downward so that it cannot be pulled off upward.

- Clean the selector shaft. Refer to => [ Selector Shaft Cleaning ] Selector Shaft Cleaning.

- Insert the TCM with new O-rings. Refer to => [ Transmission Control Module ] 01J Transmission.

- Install the end cover. Refer to => [ End Cover, with Transmission Removed ] End Cover, With Transmission Removed.

- Fill with ATF. Refer to => [ ATF Filling for Flushing Process ] ATF Flushing.

- After installing transmission, check the ATF level and correct. Refer to => [ ATF Level Checking ] ATF Level Checking.

Tightening Specification