Operation CHARM: Car repair manuals for everyone.

Inspection





TRANSMISSION ASSEMBLY


Inspection


INSPECTION AFTER REMOVAL

Oil Pan





Check foreign materials in oil pan to help determine causes of malfunction. If the ATF is very dark, smells burned, or contains foreign particles, the frictional material (clutches, band) may need replacement. A tacky film that will not wipe clean indicates varnish build up.
Varnish can cause valves, servo, and clutches to stick and can inhibit pump pressure.
- If frictional material is detected, perform A/T fluid cooler cleaning. Cleaning.

Torque Converter





Check torque converter one-way clutch using a check tool as shown at figure.
1. Insert a check tool into the groove of bearing support built into one-way clutch outer race.
2. When fixing bearing support with a check tool, rotate one-way
3. clutch spline using a screwdriver.
Make sure that inner race rotates clockwise only. If not, replace torque converter assembly.

1st One-way Clutch





Check operation of 1st one-way clutch.
1. Install 1st one-way clutch (1) to front brake hub (with under drive carrier).
2. Hold 1st one-way clutch.
3. Check front brake hub for correct locking and unlocking directions. If necessary, replace 1st one-way clutch.

Black arrow: Unlocked
White arrow: Locked

Under Drive Sun Gear
Check for deformation, fatigue or damage. If necessary, replace the under drive sun gear.

Mid Carrier Assembly
Check for deformation, fatigue or damage. If necessary, replace the mid carrier assembly.

Rear Carrier Assembly
Check for deformation, fatigue or damage. If necessary, replace the rear carrier assembly.

Reverse Brake Drive Plates
Check facing for burns, cracks or damage. If necessary, replace the plate.

Reverse Brake Retaining Plate, Driven Plates and Dish Plates
Check facing for burns, cracks or damage. If necessary, replace the plate.

Each Snap Ring
Check for deformation, fatigue or damage. If necessary, replace the snap ring.

Parking Actuator Support and Parking Pawl





If the contact surface on parking actuator support and parking pawl has excessive wear, abrasion, bend or any other damage, replace the components.