Chevrolet Silverado / GMC Sierra. Service manual — part 1993

Fig. 333: View Of Front Cover, Oil Seal, Camshaft Position Sensor, Bracket & O
Ring
Courtesy of GENERAL MOTORS CORP.

8. Remove the crankshaft front oil seal (4).

9. If replacing the engine front cover perform the following steps, otherwise proceed to step 8

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

of the installation procedure.

10. Remove the CMP sensor wire harness bolts (1 and 6).

11. Disconnect the CMP sensor wire harness from the CMP sensor.

12. Remove the CMP sensor wire harness (5).

13. Remove the CMP sensor (2).

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.

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

Fig. 334: View Of Front Cover, Oil Seal, Camshaft Position Sensor, Bracket & O
Ring
Courtesy of GENERAL MOTORS CORP.

1. If replacing the front cover perform the following steps, otherwise proceed to step 8.

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

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

may be reused.

3. Lubricate the O-ring seal (3) with clean engine oil.

4. Install the CMP sensor (2).

5. Position the CMP sensor wire harness (5) to the front cover.

6. Connect the CMP sensor wire harness to the CMP sensor.

7. Install the CMP sensor wire harness bolts (1 and 6).

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

Fig. 335: View Of Front Cover & Gasket
Courtesy of GENERAL MOTORS CORP.

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