Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Intake Manifold Installation



Intake Manifold Installation





1. Install a new intake manifold gasket.

2. Notice: Refer to Fastener Notice in Service Precautions.

Install the intake manifold and bolts.
Tighten the intake manifold bolts from the inside out to 10 Nm (89 inch lbs.).





3. Install a new throttle control module gasket.
4. Install the throttle control module.
5. Add sealer GM P/N 12378521 (Canadian P/N 88901148) to the throttle control module bolt threads.
6. Install the throttle control module bolts.
Tighten the throttle control module bolts to 10 Nm (89 inch lbs.).