Chevrolet Silverado / GMC Sierra. Service manual — part 112

4. Note the position of any flywheel weights for assembly, if applicable.

CLUTCH PILOT BEARING REMOVAL

Tools Required

J 43276 Clutch Pilot Bearing Remover. See Special Tools.

Removal

Fig. 367: Removing Clutch Pilot Bearing Using J 43276
Courtesy of GENERAL MOTORS CORP.

the old engine flywheel.

CAUTION: Refer to SAFETY GLASSES CAUTION .

NOTE:

When using the J 43276 Clutch Pilot Bearing Remover, always

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

1. Remove the clutch pilot bearing using the J 43276 . See Special Tools.

1. Install the J 43276-1 tool body into the clutch pilot bearing.

2. Using a wrench secure the J 43276-1 tool body.

3. Insert the J 43276-2 forcing screw into the J 43276-1 tool body.

4. Rotate the J 43276-2 forcing screw clockwise into the J 43276-1 tool body until the

clutch pilot bearing is completely removed from the crankshaft.

5. Rotate the J 43276-2 forcing screw counterclockwise to remove the J 43276-2 forcing

screw from the J 43276-1 tool body.

6. Remove the J 43276-1 tool body from the clutch pilot bearing.

2. Discard the clutch pilot bearing.

EXHAUST MANIFOLD REMOVAL - LEFT SIDE

secure the J 43276-1 Clutch Pilot Bearing Remover tool body
using a wrench. Do not allow the J 43276-1 tool body to rotate.
Failing to do so causes damage to the J 43276-1 tool body.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

Fig. 368: View Of Exhaust Manifold Bolts & Studs
Courtesy of GENERAL MOTORS CORP.

1. Remove the spark plug wires from the spark plugs.

1. Rotate the spark plug wire boot one half turn.

2. Pull outward on the spark plug wire boot to release from the spark plug.

2. Remove the spark plug wires from the spark plug wire retainers.

NOTE:

Twist the spark plug boot one-half turn in order to release the
boot. Pull on the spark plug boot only. Do not pull on the spark
plug wire or the wire could be damaged.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado

3. Remove the exhaust manifold bolts and the stud.

4. Remove the spark plug wire shields, if applicable, and the exhaust manifold.

Fig. 369: Exhaust Manifold Gaskets
Courtesy of GENERAL MOTORS CORP.

5. Remove and discard the exhaust manifold gaskets.

EXHAUST MANIFOLD REMOVAL - RIGHT SIDE

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado