Sierra 1500 2WD V8-5.3L VIN Z Flex Fuel (2006)
9. If vehicle is a crew cab pick-up truck, remove the exhaust heat shield nuts.
10. Remove the exhaust heat shields from the studs.
Installation Procedure
1. If vehicle is a crew cab pick-up truck, install the exhaust heat shields to the studs.
2. Install the exhaust heat shield nuts.
Tighten the exhaust heat shield nuts to 9 Nm (80 inch lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
3. If vehicle is a extended cab pick-up truck, install the exhaust heat shield (1, 2) to the studs.
4. Install the exhaust heat shield nuts.
Tighten the exhaust heat shield nuts to 9 Nm (80 inch lbs.).