No Torque In Reverse & 3rd
Broken forward clutch hub, housing or snap ring.
No Torque In 2nd
Worn or damaged intermediate sprag.
TORQUE CONVERTER
Note. See GM TORQUE CONVERTER CLUTCH DIAGNOSIS article.
TORQUE CONVERTER INSPECTION
Torque converter must be replaced for any of the following reasons
- Damage To Pump Assembly
- Metal Particles Present In Oil
- Leaks In Hub Weld Area
- Crankshaft Pilot Broken Or Damaged
- Hub Scored Or Damaged
- Stator Failure
- Torque Converter Imbalance
- Engine Coolant Contamination
- Excessive End Play
TORQUE CONVERTER END PLAY CHECK
Mount Torque Converter End Play Fixture (J-35138) and Dial Gauge (J-8001) on stand to check end play. End play should be 0-.024" (0-0.60 mm). (Scheme 54)
Scheme 54
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Center Support Screw | 29 (39) |
| Connector Cooler Fitting Bolts | 29 (39) |
| Converter-To-Flexplate Bolts | 32 (43) |
| Extension Housing-To-Case | 25 (34) |
| Manual Shaft-To-Detent Lever Nut | 18 (24) |
| Oil Pan Bolts | 18 (24) |
| Parking Pawl Bracket | 18 (24) |
| Pump Body-To-Case Bolts | 18 (24) |
| Pump Cover-To-Pump Body Bolts | 18 (24) |
| Rear Servo Cover | 18 (24) |
| Rear Transmission Mount | 32 (43) |
| Rear Transmission Support Bracket | 32 (43) |
| Transmission-To-Engine | 32 (43) |
| 4th Clutch | 12 (16) |
| INCH Lbs. (N.m) | |
| Accumulator Cover-To-Case Bolts | 98 (11) |
| Force Motor Bracket | 71 (8) |
| Lube Pipe | 98 (11) |
| Pipe Plug | 98 (11) |
| Speed Sensor | 98 (11) |
| Solenoid-To-Valve Body Bolts | 71 (8) |
| Temperature Sensor | 35 (4) |
| Valve Body-To-Case Bolts | 98 (11) |
TORQUE SPECIFICATIONS