Installation Procedure
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Change the engine oil and filter.
- Add engine oil supplement to the engine oil. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
- Apply lubricant or engine oil supplement to the following components:
- The engine camshaft lobes
- The camshaft bearing journals
- The camshaft bearings
Refer to Sealers, Adhesives, and Lubricants for the correct part number.
- Install three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.
- Using the bolts as a handle, install the engine camshaft.
- Remove the 3 bolts from the front of the engine camshaft.
- If reusing the fasteners, apply threadlocker to the threads of the camshaft retainer bolts. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
- Install the camshaft retainer and bolts.
Tighten: Tighten the bolts to 12 N.m (106 lb in).
- Install the balance shaft drive gear. Refer to Balance Shaft Installation , for alignment of the balance shaft drive gear and the driven gear.
- Install the timing chain and camshaft sprocket. Refer to Timing Chain, Sprockets, and/or Tensioner Replacement .
- Install the lifters. Refer to Valve Lifter Replacement .
- Install the A/C condenser. Refer to Condenser Replacement .
- Install the radiator. Refer to Radiator Replacement (4.3, 4.8, 5.3, and 6.0L) .
IMPORTANT:
Whenever a new camshaft is installed, perform the following:
NOTE:
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.
NOTE:
Refer to Fastener Notice
.