Chevrolet Silverado / GMC Sierra. Manual - part 214
Fig. 720: View Of Fan, Water Pump Pulley & Bolts
Courtesy of GENERAL MOTORS CORP.
5. Install the fan and water pump pulley and bolts using the J 41240 . See Special Tools.
Tighten: Tighten the fan and water pump pulley bolts to 25 N.m (18 lb ft).
EXHAUST MANIFOLD INSTALLATION - LEFT SIDE
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 721: Exhaust Manifold Gaskets
Courtesy of GENERAL MOTORS CORP.
1. Install the NEW exhaust manifold gaskets.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 722: View Of Exhaust Manifold Bolts & Studs
Courtesy of GENERAL MOTORS CORP.
2. Install the exhaust manifold.
3. Install the spark plug wire shields.
4. If reusing the fasteners, apply threadlock GM P/N 12345493 (Canadian P/N 10953488) or
equivalent, to the threads of the exhaust manifold bolts and stud.
5. Install the exhaust manifold bolts and stud.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Tighten:
1. Tighten the exhaust manifold bolts and stud on the first pass to 15 N.m (11 lb ft).
2. Tighten the exhaust manifold bolts and stud on the final pass to 30 N.m (22 lb ft).
6. Install the spark plug wires to the spark plug wire retainers.
7. Install the spark plug wires onto the spark plugs.
EXHAUST MANIFOLD INSTALLATION - RIGHT SIDE
Fig. 723: Exhaust Manifold Gaskets
Courtesy of GENERAL MOTORS CORP.
1. Install the NEW exhaust manifold gaskets.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado