- Install a new intake manifold gasket.
- Install the intake manifold and bolts.
- Lubricate the inner diameter of the ends of PCV hose with GM P/N 12345884, (Canadian P/N 5728223) or equivalent.
- Install the PCV hose.
- Install a new throttle control module gasket.
- Install the throttle control module.
- Add sealer GM P/N 12346004, (Canadian P/N 10953480) to the throttle control module bolt threads.
- Install the throttle control module bolts.
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 intake manifold bolts from the inside out to 10 N·m
(89 lb in).
Tighten
Tighten the throttle control module bolts to 10 N·m (89 lb in).
