TrailBlazer 2WD V8-5.3L (2007)
3. Remove the 3 bolts from the camshaft.
9. Clean and inspect the camshaft and bearings. Refer to Camshaft and Bearings Cleaning and Inspection.
Installation Procedure
Important: If camshaft replacement is required, the valve lifters must also be replaced.
1. Lubricate the camshaft journals and the bearings with clean engine oil.
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.
2. Install three M8-1.25 x 100 mm (M8-1.25 x 4.0 in) bolts to the bolt holes in the front of the camshaft.
3. Using the bolts as a handle, carefully install the camshaft into the engine block.
4. Remove the 3 bolts from the front of the camshaft.
Important: Install the retainer plate with the sealing gasket facing the engine block.
The gasket surface on the engine block should be clean and free of dirt and/or debris.
Notice: Refer to Fastener Notice.
5. Install the camshaft retainer and bolts.
Tighten the bolts to 25 N.m (18 lb ft).
