Removal (Upper Right)
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.
- Remove retaining bolt in front of shield. Lift-up on front of shield. Lift shield off rear bracket. Remove air cleaner outlet duct from air cleaner and turbocharger. Cover turbocharger opening with tape. Remove upper intake manifold sight shield.
- Loosen both hose clamps for charged air cooler outlet duct to intake manifold tube hose. Do not use a screwdriver or other prying tool to remove hose. The hose can be damaged. Using a twisting motion remove hose from intake manifold tube and pipe. Cover opening on pipe and intake manifold tube with tape.
- Remove bolt retaining outlet heater hose to generator mounting bracket. Remove fuel filter mounting bolts. Remove fuel injection control module. Position outlet heater hose out of way.
- Disconnect PCV hose from valve rocker arm cover. Remove fuel injector lines. Remove 11 bolts from upper valve rocker arm cover. Note location of any wire harness clips. The upper valve rocker arm cover uses sealer. Pry only at locations shown. Avoid damage to sealing surfaces. Using a gasket scraper or other suitable tool at prying locations, loosen upper valve rocker arm cover.
- Remove upper valve rocker arm cover. If replacing upper valve rocker arm cover, remove grommets for injector line fittings. If replacing upper valve rocker arm cover, remove screws, PCV diaphragm, and spring. Inspect PCV diaphragm for damage. Replace PCV diaphragm if damage is found.
- Clean sealer from sealing surfaces on upper valve rocker arm cover and lower valve rocker arm cover. Clean upper valve rocker arm cover in suitable cleaning solvent. Inspect for cracking and other damage on upper valve rocker arm cover. Replace upper valve rocker arm cover if any damage is found.