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. Disconnect the fuel injector electrical connector (2).




3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
4. Disconnect the engine harness clips (2 and 4) from the intake manifold.
5. Lower the vehicle.
6. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement (Service and Repair).
7. Disconnect the fuel injector electrical connector clip (3) from the intake manifold.




8. Reposition the vacuum brake booster hose clamp at the intake manifold.
9. Remove the vacuum brake booster hose from the intake manifold.




10. Disconnect the evaporative emission (EVAP) canister purge tube from the intake manifold and the EVAP solenoid. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
11. Remove the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement (Service and Repair).




12. Remove the intake manifold lower bolts.




13. Remove the intake manifold upper bolt and nuts.
14. Remove the intake manifold.

Note: The intake manifold O-ring seals are reusable, only replace the seals if damage has occurred.

15. Inspect the intake manifold O-ring seals.

Installation Procedure




1. Install NEW intake manifold O-ring seals if necessary.
2. Install the intake manifold.
3. Install the intake manifold upper bolt and nuts.





Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the intake manifold lower bolts.

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




5. Install the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement (Service and Repair).
6. Connect the EVAP canister purge tube to the intake manifold and the EVAP solenoid. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




7. Install the vacuum brake booster hose to the intake manifold.
8. Position the vacuum brake booster hose clamp at the intake manifold.




9. Connect the fuel injector electrical connector clip (3) to the intake manifold.
10. Install the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement (Service and Repair).
11. Raise and support the vehicle.
12. Connect the engine harness clips (2 and 4) to the intake manifold.
13. Lower the vehicle.




14. Connect the fuel injector electrical connector (2).
15. Install the throttle body. Refer to Throttle Body Assembly Replacement (Removal and Replacement).