K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Intake Manifold: Service and Repair
Intake Manifold Tube Replacement
Intake Manifold Tube Replacement
Removal Procedure
1. Remove the turbocharger assembly
2. Disconnect the wire terminal from the intake air heater.
3. Remove the following fuel pipes and wiring harnesses:
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The main fuel pipes
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The function block
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The fuel hoses to the fuel injection control module (FICM) and the FICM wiring harness
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The fuel pipes to the left fuel rail
4. Remove the 2 bolts and the 2 nuts retaining the intake manifold tube from both intake manifolds.
5. Pull-up to remove the intake manifold tube and the 2 gaskets.
6. Remove and discard the gaskets.
7. Remove the intake air heater from the intake manifold tube if replacing the tube.
8. Clean the intake manifold tube in cleaning solvent and air dry.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
1. Install the intake air heater, if removed.
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Tighten the intake heater to 50 Nm (37 ft. lbs.).
2. Install the intake manifold tube with 2 NEW gaskets to the intake manifolds.