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 and tighten to 13 N·m (10 lb ft).
Caution: Refer to Fastener Caution in the Preface section.
