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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Mechanical - 6.6L (On-Vehicle)) >> Removal & Installation >> Intake Manifold Tube >> Removal (California Emissions)

Removal (California Emissions)

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove turbocharger boost sensor bracket bolt. Remove turbocharger boost sensor with bracket. Remove intake air heater nut and wire terminal from intake air heater. Remove intake air heater and gasket, if replacing tube.
  2. Remove the main fuel pipes, fuel junction block, fuel hoses to the Fuel Injection Control Module (FICM) and FICM wiring harness. Remove fuel pipes to the left fuel rail.
  3. Remove EGR cooling hose clamps, EGR cooling hose, bolts, and nuts. Remove EGR cooler bracket bolts and bracket. Remove EGR and cooler.
  4. Remove intake manifold tube bolts and nuts. Remove intake manifold tube and gaskets. Discard gaskets. Clean intake manifold tube in cleaning solvent and air dry.
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