For 1990-2009 cars only
- Clean any gasket material from the control valve body cover and inspect the gasket mounting surface.
- Apply a 3 mm (1/8 in) bead of sealant GM P/N 89020326 (Canadian P/N 89021188), to the cover mounting surface.
- Install the control valve body cover (29) onto the transmission case assembly.
- Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489), to the threads of all of the cover bolts.
- Install the 9 - M8 x 1.25 x 15.5 mm control valve body cover bolts (28).
- Tighten the 9 control valve body cover bolts in sequence.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten
Tighten the control valve body cover bolts to 13 N·m (10 lb ft).
