Envoy 4WD V8-5.3L (2007)
5. Remove the camshaft sprocket bolts.
Notice: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the
valves.
6. Remove the camshaft sprocket and reposition the timing chain.
7. Remove the camshaft retainer bolts and retainer.
Notice: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft
bearings.
8. Remove the camshaft.
1. Install three 8-1.25 x 100 mm (M8-1.25 x 4.0 in) bolts to the bolt holes in the front of the camshaft.
2. Using the bolts as a handle, carefully rotate and pull the camshaft out of the engine block.