Intake Manifold - Lower

Intake Manifold - Lower

















Removal

NOTE: For EXPORT ONLY vehicles (outside US/Canada) an Export Supplement is provided and should be referenced to identify differences that can impact service procedures. Vehicles can be identified by referring to the underhood Vehicle Emission Control Information (VECI) label which states, "Not certified for US EPA or CARB Regulations".

1. Remove the upper intake manifold. For additional information, refer to Intake Manifold - Upper Intake Manifold - Upper.

2. Remove the air cleaner Air Cleaner (ACL) outlet tube.

3. Release the clip and disconnect the Charge Air Cooler (CAC) outlet tube from the Throttle Body (TB).

4. Disconnect the TB electrical connector.

5. Disconnect the Exhaust Gas Recirculation Temperature (EGRT) sensor electrical connector and the wire harness retainer.

6. Remove the 4 bolts and the EGR bypass outlet pipe.
- Discard the gaskets.

7. Release the clip and disconnect the CAC inlet tube from the turbocharger.

8. NOTE: Vehicles with over 14,000 pounds Gross Vehicle Weight Rating (GVWR), will only have the lower turbocharger inlet boot.

Loosen the turbocharger inlet hose clamps.

- Loosen the 2 lower turbocharger inlet hose clamps.

- If equipped, loosen the 2 upper turbocharger inlet hose clamps.

9. Disconnect the crankcase ventilation hose from the lower intake manifold.

10. Remove the 3 bolts and the lower intake manifold.
- Remove the turbocharger inlet hose(s) as needed.

Installation

1. NOTE: Position the turbocharger inlet hose(s) as needed.

Install the lower intake manifold and the 3 bolts.

- Tighten to 24 Nm (18 lb-ft).

2. Connect the crankcase ventilation hose to the lower intake manifold.

3. NOTE: Vehicles with over 14,000 pounds GVWR, will only have the lower turbocharger inlet boot.

Tighten the turbocharger inlet hose clamps.

- Tighten the 2 lower turbocharger inlet hose clamps.

- If equipped, tighten the 2 upper turbocharger inlet hose clamps.

4. Connect the CAC inlet tube to the turbocharger and install the clip.

5. Using new gaskets, install the EGR bypass outlet pipe and 4 bolts.
- Tighten to 10 Nm (89 lb-in).

6. Connect the EGRT sensor electrical connector and the wire harness retainer.

7. Connect the TB electrical connector.

8. Connect the CAC outlet tube to the TB and install the clip.

9. Install the air cleaner ACL outlet tube.

10. Install the upper intake manifold. For additional information, refer to Intake Manifold - Upper Intake Manifold - Upper.