Disassembly and Assembly of Control Valve Body and Solenoids

Transaxle Solenoid And Retainer Clip Locations (valve Body Shown W/Pump Removed) 4T60-E:

Removing Shift/TCC Solenoid Retaining Clips

Control Valve Assembly - View A.:

Control Valve Assembly - View B.:

Control Valve Body Exploded Views



CLEAN AND INSPECT:

- Do not clean solenoids in solvent.

- Air dry.

DISASSEMBLY

- Shift solenoids and TCC solenoids are held in place with spring clips (see exploded view).

IMPORTANT: Some valves are under spring pressure. Cover the end of the bore when removing roll pins.

- Valves, springs and bushings must be laid out on a clean surface exactly the way they were removed.

CLEAN:
- All valves, springs, and bushings in solvent, then dry using compressed air.


INSPECT:
- Shift solenoids and PWM solenoids for:
- Cut O-ring.
- Bent electrical connector or broken wire.
- Cracked or damaged plastic housing.
- Foreign material.

- All valves and bushing for:
- Wear.
- Nicks.
- Scratches.

- Springs for damage or distorted coils.

- Valves body casting for:
- Porosity.
- Interconnected oil passages.
- Damaged machine surfaces.
- Damaged pump shaft bearing.

ASSEMBLE
- Valves, springs and bushings in the order that they came out.