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

Upper Intake Manifold Cover Replacement




Upper Intake Manifold Cover Replacement

Removal Procedure




1. Remove the intake manifold. Refer to Intake Manifold Replacement (RPOs LY2, LY6) Service and RepairIntake Manifold Replacement (RPOs LC9, LMG, LY5, L76) Service and RepairIntake Manifold Replacement (Except RPOs LY2, LY6, LC9, LMG, LY5) Service and Repair.
2. Reposition the brake booster vacuum hose clamp at the intake manifold.
3. Remove the brake booster vacuum hose from the intake manifold nipple.




4. Remove the upper intake manifold cover nut.
5. Remove the upper intake manifold cover.

Installation Procedure




1. Install the upper intake manifold cover.
2. Install the upper intake manifold cover nut until snug




3. Install the brake booster vacuum hose to the intake manifold nipple.
4. Position the brake booster vacuum hose clamp at the intake manifold.
5. Install the intake manifold. Refer to Intake Manifold Replacement (RPOs LY2, LY6) Service and RepairIntake Manifold Replacement (RPOs LC9, LMG, LY5, L76) Service and RepairIntake Manifold Replacement (Except RPOs LY2, LY6, LC9, LMG, LY5) Service and Repair.