Chevrolet Silverado / GMC Sierra. Service manual — part 1996

Fig. 344: View Of CMP Actuator Magnet, Bolts, Gasket & Oil Seal
Courtesy of GENERAL MOTORS CORP.

14. Remove the CMP actuator magnet bolts (751), and magnet (752).

15. Remove and discard the CMP actuator magnet gasket (753).

Installation Procedure

IMPORTANT:

Do not reuse the crankshaft oil seal or front cover gasket.

Do not apply any type of sealant to the front cover gasket,
unless specified.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 345: View Of CMP Actuator Magnet, Bolts, Gasket & Oil Seal

The special tool in this procedure is used to properly center
the front crankshaft front oil seal.

All gasket surfaces should be free of oil or other foreign
material during assembly.

The crankshaft front oil seal MUST be centered in
relation to the crankshaft.

An improperly aligned front cover may cause premature
front oil seal wear and/or engine oil leaks.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Courtesy of GENERAL MOTORS CORP.

1. If replacing the front cover perform the following steps, otherwise proceed to step 10.

2. Install a NEW CMP actuator magnet gasket (753) onto the magnet.

3. Install the CMP actuator magnet (752) and bolts (751).

Tighten: Tighten the bolts to 12 N.m (106 lb in).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 346: View Of CMP Sensor & O-Ring
Courtesy of GENERAL MOTORS CORP.

4. Inspect the CMP sensor O-ring seal for cuts or damage. If the seal is not cut or damaged, it

may be reused.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado