Operation CHARM: Car repair manuals for everyone.

Automatic Transaxle Inspection

AUTOMATIC TRANSAXLE INSPECTION

Torque Converter Inspection
1. Inspect the outer surface of the torque converter for damage or cracks, and replace it if necessary.
2. Inspect for rust on the pilot hub of the torque converter or on the boss. If there is any, remove the rust completely.
3. Measure the bushing of the torque converter boss. Replace the converter if the bushing is worn.

Bushing inner diameter
Standard: 53.030 mm (2.088 in)
Maximum: 53.076 mm (2.090 in)





Clutch Component Preinspection

Clutch operation
1. Set the clutch component onto the oil pump.

Caution
^ Applying compressed air to the assembled clutch pack for longer than 3 seconds at a time will damage the seal.
Do not apply compressed air for more than the aforementioned time when testing the system.


2. Check the clutch operation by applying compressed air through the fluid passages shown.





3. If not as specified, replace parts as necessary.

Clutch clearance
1. Measure the clearance.

Clearance
Reverse clutch:
1.0 - 1.3 mm (0.039 - 0.051 in)
Forward clutch:
0.97 - 1.2 mm (0.038 - 0.047 in)
Coasting clutch:
1.0 - 1.23 mm (0.039 - 0.048 in)





2. If not as specified, replace parts as necessary.

One-Way Clutch 1 Preinspection

One-way clutch 1 operation
1. While holding the one-way clutch outer race, verify that the inner race rotates smoothly when turned counterclockwise and locks when turned clockwise.





2. If not as specified, replace the one-way clutch 1.

One-Way Clutch 2 Preinspection

One-way clutch 2 operation
1. While holding the one-way clutch inner race, verify that the one-way clutch rotates smoothly when turned clockwise and locks when turned counterclockwise.





2. If not as specified, replace the one-way clutch 2.

3-4 Clutch Preinspection

Clutch operation
1. Install the SST to the 3-4 clutch.

Caution
^ Applying compressed air to the assembled clutch pack for longer than 3 seconds at a time will damage the seal.
Do not apply compressed air for more than the aforementioned time when testing the system.


2. Check the clutch operation by applying compressed air as shown.





3. If not as specified, replace parts as necessary.

Clutch clearance
1. Measure the clearance between the retaining plate and the snap ring.





2. If not as specification, replace parts as necessary.

Low And Reverse Brake Preinspection

Clutch operation

Caution
^ Applying compressed air to the assembled clutch pack for longer than 3 seconds at a time will damage the seal.
Do not apply compressed air for more that the aforementioned time when testing the system.


1. Check the clutch operation by applying compressed air as shown.





2. If not as specified, replace parts as necessary.

Clutch clearance
1. Measure the clearance between the retaining plate and the snap ring.





2. If not as specified, replace parts as necessary.

Differential Preinspection

BACKLASH
1. Measure the backlash of the side gear.

Backlash
^ Standard: 0.025 - 0.1 mm (0.001 - 0.004 in)
^ Maximum: 0.5 mm (0.020 in)





2. If not specified, replace differential.