Torque Converter Leak Test: Test
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Position the torque converter (6) on the work table so that the pump hub is facing up.
- Move the nut (3) to the middle of the center body (1) of J 43763 . See Special Tools .
- Install J 43763 into the torque converter hub. See Special Tools .
- Install J 21369-F (3) onto the torque converter (8) and onto J 43763 (4). See Special Tools .
- Firmly tighten the nut (6) in order to seal J 43763 into the torque converter.
- Firmly tighten the nut (5) in order to securely attach the torque converter to J 21369-F (3). See Special Tools . Connect an air hose to the air fitting (1) of J 43763 . See Special Tools .
- Pressurize the converter to 517 kPa (75 psi) maximum.
- Disconnect the air hose. Submerge the torque converter in water.
- Closely observe the torque converter for bubbles that indicate leakage. If the torque converter leaks, replace the torque converter.
- Push on the pressure relief valve (2) of J 43763 and release the air from the torque converter. See Special Tools .
- Remove the J tools from the torque converter.
IMPORTANT:
The torque converter leak test requires a large container of water in order to submerge the torque converter.
CAUTION:
All pressure from the torque converter must be exhausted before loosening the test fixture nut. Failure to relieve the pressure could cause personal injury and/or property damage.