Chevrolet Silverado / GMC Sierra. Service manual — part 1975

OIL LEVEL INDICATOR AND TUBE REPLACEMENT

Removal Procedure

Fig. 274: View Of Oil Level Indicator, Tube Bolt, Indicator Tube & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil level indicator (418).

2. Remove the oil level indicator tube bolt (419).

3. Remove the oil level indicator tube (420) from the engine block.

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

4. Inspect the O-ring seal for cuts or damage.

5. Remove the O-ring seal (421) from the tube, if required.

Installation Procedure

Fig. 275: View Of Oil Level Indicator, Tube Bolt, Indicator Tube & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

1. Lubricate the O-ring seal (421) with clean engine oil.

IMPORTANT: The O-ring seal may be reused if not cut or damaged.

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

2. Install a NEW O-ring seal onto the oil level indicator tube, if required.

3. Install the oil level indicator tube (420) between the exhaust manifold and engine block.

4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .

5. Insert the oil level indicator tube into the block. The tube must be installed with the collar

flush to the block.

6. Lower the vehicle.

7. Install the oil level indicator tube bolt (419).

Tighten: Tighten the bolt to 25 N.m (18 lb ft).

8. Install the oil level indicator (418).

CYLINDER HEAD REPLACEMENT - LEFT SIDE

Tools Required

J 45059 Angle Meter

J 42385-200 Common Thread Repair Kit. See Special Tools .

Removal Procedure

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. 276: View Of Engine Ground Strap & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Remove the generator bracket. Refer to Generator Replacement (4.8L, 5.3L, 6.0L, and

6.2L) .

2. Remove the intake manifold. Refer to Intake Manifold Replacement (L92 - First

Design) or Intake Manifold Replacement (L92 - Second Design) or Intake Manifold
Replacement (LY2 and LY6) or Intake Manifold Replacement (LH6, LMG, LY5 and
L76).

3. Remove the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Assembly

Replacement (LH6, LY5, LMG, L76, L92) or Coolant Air Bleed Pipe Assembly
Replacement (LY2, LY6) .

4. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side

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