Chevrolet Silverado / GMC Sierra. Service manual — part 71

Installation Procedure

Fig. 218: Front Cover And Bolts
Courtesy of GENERAL MOTORS CORP.

1. Install a NEW front cover.

2. Install the front cover bolts.

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

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 219: View Of CMP Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.

3. If reinstalling the old CMP sensor, install a NEW O-ring seal onto the sensor.

4. Install the CMP sensor to the wiring harness jumper.

5. Connect the CMP sensor wiring harness jumper to the CMP sensor.

6. Lubricate the O-ring seal with clean engine oil.

7. Install the CMP sensor and wiring harness jumper to the engine front cover.

8. Install the CMP sensor bolt.

Tighten: Tighten the bolt to 10 N.m (89 lb in).

IMPORTANT: Do not reuse the original O-ring seal.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 220: Camshaft Position (CMP) Sensor Wiring Harness Jumper
Courtesy of GENERAL MOTORS CORP.

9. Connect the engine wiring harness electrical connector from the CMP sensor wiring harness

jumper.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 221: CKP Sensor O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

10. Lubricate a NEW CKP sensor O-ring seal with clean engine oil.

11. Install the NEW O-ring seal onto the CKP sensor.

IMPORTANT: DO NOT reuse the original CKP sensor O-ring seal.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado