Main Control Valve Body: Disassembly

Remove the pump assembly.
- Remove the bolts.
- Remove the pump.
Fig 1: Removing Pump Assembly

NOTE: The valve body separator plate has a bonded gasket.

Fig 2: Removing Bolts & Separator Plate

Remove the bolts and the separator plate.

NOTE: Be sure to note the location of the check balls.

Fig 3: Removing Check Balls

Remove the check balls.

NOTE: The relief valve springs are not interchangeable.

Fig 4: Marking Relief Valve Springs Locations

Tag and mark the location of the relief valve springs.
1. Remove the modulator check valve and spring.
2. Remove the modulator check valve and drain back spring.
3. Remove the manual low relief valve and cooler by-pass spring.
Remove and discard the filters.
1. Remove the solenoid regulator filter.
2. Remove the Torque Converter Clutch filter.
Fig 5: Removing Filters

CAUTION: Most valves are aluminum and cannot be removed using a magnet. Remove the valves by tapping valve body on the palm of the hand to slide the valves out of the bores. It may be necessary to remove the valves and springs using a pick. If it is necessary to use a pick, use extreme caution to prevent damaging the valves or valve bores. If necessary, disassemble parts of the main control valve body in small groups. Take special care when handling the main control components, since they are the most precise and delicate parts of the transaxle. Neatly arrange the parts as they are removed to avoid mixing similar pieces.

CAUTION: Do not stone or polish any valves. If the valves do not move freely, install a new assembly.

Remove the individual valves and springs by removing the retaining clips and bore plugs. See the main control valve body assembly illustration for valve and spring locations. Clean valves, sprags and main control valve body.