TrailBlazer 4WD L6-4.2L VIN S (2002)
4. Install the exhaust manifold heat shield studs, if required.
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Tighten the heat shield studs to 10 Nm (89 inch lbs.).
5. Install the oxygen sensor.
6. Install the exhaust manifold heat shield.
7. Add anti-seize compound GM P/N 12371386 to the exhaust manifold heat shield nuts.
8. Install the exhaust manifold heat shield nuts.
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Tighten the exhaust manifold heat shield nuts to 5 Nm (44 inch lbs.).
9. Raise the vehicle.
10. Install the exhaust pipe to the manifold with seal and secure the pipe with the nuts.
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Tighten the exhaust pipe nuts to 50 Nm (37 ft. lbs.).
11. Lower the vehicle.
