Sierra 3500 2WD V8-6.0L VIN U (2004)
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5. If vehicle is a regular cab pick-up truck, install the exhaust front heat shield (1) and/or the exhaust heat shield (2) to the studs.
6. Install the exhaust heat shield nuts.
Tighten the exhaust heat shield nuts to 9 Nm (80 inch lbs.).
7. Install the exhaust front heat shield to the studs.
8. Install the exhaust front heat shield nuts.
Tighten the exhaust heat shield nuts to 9 Nm (80 inch lbs.).
9. Install the catalytic converter, if necessary.
10. Install the exhaust manifold pipe, if necessary.