Removal (Federal Emissions)
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Remove turbocharger. Remove intake air heater nut and wire terminal from intake air heater.
- Remove main fuel pipes, fuel junction block, fuel hoses to Fuel Injection Control Module (FICM) and FICM wiring harness. Remove fuel pipes to left fuel rail.
- Remove turbocharger boost sensor bracket bolt. Remove turbocharger boost sensor with bracket. Remove intake air heater from intake manifold tube, if replacing tube. 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.