Valve Body: Service and Repair

Removal Procedure





1. Remove the case side cover. Refer to Case Side Cover Replacement.
2. Remove the oil pump. Refer to Oil Pump Replacement.
3. Remove the valve body bolts (374-381 and 384).





4. Remove the valve body (300) while keeping the spacer plate (370) with the transaxle.





5. Remove the ball check valves (372 and 373) from the valve body.





6. Remove the spacer plate (370) and gasket.





7. Remove the ball check valves (372) from the case cover.





8. Inspect each check valve seat in the spacer plate (370) for excessive peening. Place a ball check valve (372) on each seat and use a flashlight in order to look for visible light between the valve and the seat.
9. Inspect all components removed from the transaxle.


Installation Procedure

^ Tools Required
- J 36850 TRANSJEL(TM)

Notice: Do NOT use any type of grease to retain parts during the assembly of this unit. Using greases other than the recommended assembly lube changes the transaxle fluid characteristics. Using greases other than the recommended assembly lube causes undesirable shift conditions and/or filter clogging. Use TRANSJEL(TM) J 36850 or equivalent during the assembly of this unit.





1. Install the ball check valves (372) into the case cover. Use the J 36850 to retain the ball check valves in their proper locations.





2. Install the gasket and the spacer plate (370).





3. Install the ball check valves (372 and 373) into the valve body. Use the J 36850 to retain the ball check valves in their proper locations.





Important: Do NOT use impact type tools on the valve body or on the oil pump.

4. Install the gasket (371) and the valve body (300).





Notice: Refer to Fastener Notice in Service Precautions.

5. Install the valve body bolts (374-381 and 384).
^ Tighten the M6 X 1.0 X 20 bolt to 8 Nm (70 inch lbs.).
^ Tighten the M6 X 1.0 X 30 bolt to 12 Nm (106 inch lbs.).
^ Tighten the M6 X 1.0 X 45 bolt to 12 Nm (106 inch lbs.).
^ Tighten the M6 X 1.0 X 55 bolt to 11 Nm (97 inch lbs.).
^ Tighten the M6 X 1.0 X 60 bolt to 12 Nm (106 inch lbs.).
^ Tighten the M6 X 1.0 X 65 bolt to 12 Nm (106 inch lbs.).
^ Tighten the M6 X 1.0 X 85 bolt to 11 Nm (97 inch lbs.).
^ Tighten the M6 X 1.0 X 90 bolt to 11 Nm (97 inch lbs.).
^ Tighten the M8 X 1.0 X 90 bolt to 25 Nm (18 ft. lbs.).

Important: Do NOT use impact type tools on the valve body or on the oil pump.

6. Install the oil pump. Refer to Oil Pump Replacement.
7. Install the case side cover. Refer to Case Side Cover Replacement.