Center Intake Manifold Replacement

Center Intake Manifold Replacement

Removal Procedure




1. Remove the exhaust gas recirculation (EGR) valve cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (Exhaust Gas Recirculation Valve Cooler Replacement).
2. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) (Service and Repair)Water Outlet Tube Replacement (LMM) (Service and Repair).
3. Remove the intake manifold tube.
4. Remove and discard the 2 intake manifold tube gaskets.
5. Remove the turbocharger. Refer to Turbocharger Replacement (Turbocharger Replacement).




6. Disconnect the intake air temperature (IAT) sensor electrical connector (1).
7. Remove the IAT sensor (2).




8. Remove the center intake manifold bolts/nuts.
9. Pull-up the center intake manifold in order to remove.
10. Remove and discard the gaskets.
11. Clean the center intake manifold in cleaning solvent and air dry.

Installation Procedure




1. Install NEW center intake manifold gaskets.
2. Install the center intake manifold.
Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the center intake manifold bolts/nuts.

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




4. Install the IAT sensor (2).

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

5. Connect the IAT sensor electrical connector (1).
6. Install the turbocharger. Refer to Turbocharger Replacement (Turbocharger Replacement).




7. Install 2 NEW O-rings onto the intake manifold tube.
8. Lubricate the O-rings with clean engine oil to aid in the installation.
9. Install the intake manifold tube.
10. Install the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) (Service and Repair)Water Outlet Tube Replacement (LMM) (Service and Repair).
11. Install the EGR valve cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (Exhaust Gas Recirculation Valve Cooler Replacement).