C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
2. Install the exhaust heat shield nuts.
Tighten the nuts to 9 Nm (30 inch lbs.)
3. Install the exhaust front heat shield to the studs.
4. Install the exhaust front heat shield nuts.
Tighten the nuts to (9 Nm, 80 inch lbs.).
5. Install the catalytic converter. if necessary.
6. Install the exhaust manifold pipe, if necessary.