Sierra 1500 2WD V6-4.3L VIN X (2004)
Camshaft: Service and Repair
Camshaft Replacement
Removal Procedure
1. Remove the radiator.
2. Remove the air conditioning (A/C) condenser.
3. Remove the lifters.
4. Remove the timing chain and the camshaft sprocket.
5. Remove the balance shaft drive gear.
6. Remove the camshaft retainer bolts and retainer.
7. Remove the engine camshaft.
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.
1. Install the three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.
2. Using the bolts as a handle, carefully rotate and pull the engine camshaft out of the camshaft bearings.
3. Remove the bolts from the front of the engine camshaft.
4. Clean and inspect the camshaft and/or bearings, if necessary.
Installation Procedure