Clean and Inspection: Procedure
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Wash the clutch components in clean solvent and air dry.
- Inspect the clutch drum for the following conditions:
- Lugs in the drum for excessive grooves that prevent the clutch plates from sliding
- Sun gear for chips or metal embedded in the teeth
- Drum surface for scoring or excessive wear
- Piston O-ring surfaces for wear, nicks, or scratches
- Bearing thrust surfaces for damage or wear
- Using J 45185 , measure the inner diameter of the 4-5 clutch drum bushing (A) at different locations and take the average 36. See Special Tools .125-36.200 mm (1.422-1.425 in).
- If the bushing is out of specifications or any of the above conditions are found replace the 4-5 clutch drum
- Shake the clutch piston to inspect the ball check valve for not being stuck.
- Apply compressed air in the opposite side of the check valve and inspect for leaking.
- Inspect the piston O-ring seal grooves for damage.
- Replace the piston if any of the above conditions are found.
- Inspect the clutch plates and discs for wear, warp age, or being burnt.
- Replace the clutch plates and discs if any of the above conditions are found.