Intake Manifold: Service and Repair

Intake Manifold Replacement

Removal Procedure




1. Remove the throttle body. Refer to Throttle Body Assembly Replacement Removal and Replacement.
2. Remove the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement Service and Repair.
3. Remove the evaporative emission (EVAP) canister purge solenoid valve tube. Refer to Plastic Collar Quick Connect Fitting Service Plastic Collar Quick Connect Fitting Service.




4. Reposition the brake booster vacuum hose clamp at the intake manifold.
5. Remove the brake booster hose from the intake manifold.
6. Remove the oil level indicator tube bolt.




7. Disconnect the engine harness electrical connector (1) from the fuel injector inline electrical connector (2).
8. Remove the fuel injector inline connector clip from the intake manifold.




9. Disconnect the engine harness electrical connector (1) from the knock sensor harness.
10. Remove the knock sensor connector clip from the oil level indicator tube.




11. Remove the intake manifold bolts and nuts.
12. Remove the intake manifold.

Note: The intake manifold gasket is reusable. Only replace the gasket if damage has occurred.

13. Remove the intake manifold gasket, if necessary.

Installation Procedure




1. Install the intake manifold gasket, if necessary.
2. Install the intake manifold.
Caution: Refer to Fastener Caution Fastener Caution.

3. Install the intake manifold bolts and nuts.

Tighten the bolts and nuts to 10 Nm (89 lb in).




4. Connect the engine harness electrical connector (1) to the knock sensor harness.
5. Install the knock sensor connector clip to the oil level indicator tube.




6. Connect the engine harness electrical connector (1) to the fuel injector inline electrical connector (2).
7. Install the fuel injector inline connector clip to the intake manifold.
8. Install the oil level indicator tube bolt.

Tighten the bolt to 10 Nm (89 lb in).




9. Install the brake booster hose to the intake manifold.
10. Position the brake booster vacuum hose clamp at the intake manifold.




11. Install the EVAP canister purge solenoid valve tube. Refer to Plastic Collar Quick Connect Fitting Service Plastic Collar Quick Connect Fitting Service.
12. Install the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement Service and Repair.
13. Install the throttle body. Refer to Throttle Body Assembly Replacement Removal and Replacement.