Removal & Installation: Camshaft: Removal

WARNING: This page does not describe the selected car, but rather 55 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sonoma, and 1999 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.

Release fuel system pressure. See FUEL PRESSURE RELEASE . Remove negative battery cable. Discharge A/C system (if equipped) using approved refrigerant recovery/recycling equipment. Drain cooling system. Remove front grille from vehicle. Remove radiator and A/C condenser. Remove interior engine cover (if equipped). Remove the generator and the generator mounting bracket. Remove lower intake manifold. See INTAKE MANIFOLD (LOWER) . Remove the valve covers. Remove the push rods. See ROCKER ARMS & PUSHRODS . Remove the valve lifters. See VALVE LIFTERS . Remove the front cover. See FRONT COVER .
Align timing chain timing marks. Remove camshaft sprocket bolts, camshaft sprocket and timing chain. Remove CKP sensor reluctor ring using Puller (J-8433-1) and Puller Plate (J-41371). Remove crankshaft sprocket, use Sprocket Puller (J-28509) on 7.4L or (J-5825-A) on all others. Install three 5/16 X 18 bolts (4-5 inches long) into camshaft threaded holes. Use bolts to remove and install camshaft.