Engine - Inlet Pipe

Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine - Inlet Pipe)

Removal Procedure





1. Remove the intake manifold cover.
2. Drain the cooling system.

3. Important: After removing the charged air cooler duct, cover the turbocharger opening with tape in order to prevent entry of objects.

Loosen the charged air cooler inlet duct connector to turbocharger clamp (1).

Important: Do not use a screwdriver or other tool to pry the hose loose. The hose can be torn or damaged. Loosen the hose by twisting.

4. Remove the charged air cooler inlet duct connector (4) from the turbocharger.





5. Reposition the turbocharger coolant inlet hose clamp at the bypass valve.





6. Remove the turbocharger coolant inlet hose banjo bolt (1).
7. Remove the inlet hose washer and inlet line.

Installation Procedure





1. Install the inlet hose washer and inlet line.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the turbocharger coolant inlet hose banjo bolt (1).
Tighten the bolt to 25 Nm (18 ft. lbs.).





3. Position the turbocharger coolant inlet hose clamp at the bypass valve.





4. Remove the tape from the turbocharger openings.

5. Important: Lubricate the end of the duct prior to installation.

Install the charged air cooler inlet duct connector (4) to the turbocharger.
6. Tighten the charged air cooler inlet duct connector to turbocharger clamp (1).
Tighten the clamp to 6 Nm (53 inch lbs.).
7. Fill the cooling system.
8. Install the intake manifold cover