Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Using Bolts To Handle Camshaft

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Whenever a new camshaft is installed, perform the following:

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.

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.

Using the bolts as a handle, install the engine camshaft.
Remove the 3 bolts from the front of the engine camshaft.

Fig 2: View Of Camshaft Retainer & Bolts

Courtesy of GENERAL MOTORS CORP.

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.

NOTE: Refer to Fastener Notice .

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 Camshaft Timing Chain, Sprocket, and 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) .