Chevrolet Silverado / GMC Sierra. Service manual — part 172

Fig. 572: Oil Pan Cleaning & Inspection Areas
Courtesy of GENERAL MOTORS CORP.

2. Clean the oil pan and oil pan baffle in cleaning solvent.

3. Dry the oil pan and oil pan baffle with compressed air.

4. Inspect the oil pan for the following:

Gouges or damage to the oil pan sealing surfaces (1)

Damage to the threaded holes (2)

CAUTION: Refer to SAFETY GLASSES CAUTION

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Damaged oil pan drain hole threads (3)

Damage to the oil pan baffle

Damage to the exterior of the oil pan

A damaged oil pan may interfere with the proper position of the oil pump screen, or
may not distribute oil properly in the oil pan sump area.

Fig. 573: View Of Oil Pan Baffle Bolts & Baffle
Courtesy of GENERAL MOTORS CORP.

5. Install the oil pan baffle and the bolts.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

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

INTAKE MANIFOLD DISASSEMBLE

Fig. 574: View Of Accelerator Control Cable Bracket
Courtesy of GENERAL MOTORS CORP.

1. Remove the nuts, the studs, and the accelerator control cable bracket.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 575: View Of Throttle Body & Attaching Studs
Courtesy of GENERAL MOTORS CORP.

2. Remove the throttle body attaching studs.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado