Colorado 4WD L5-3.7L (2007)
1. Position the exhaust manifold heat shield to the exhaust manifold.
2. Apply anti-seize GM P/N 12371386 (Canadian P/N 993128) to the exhaust manifold heat shield nuts.
Notice: Refer to Fastener Notice.
3. Install the exhaust manifold heat shield nuts.
Tighten the nuts to 10 N.m (89 lb in).
4. Install the HO2S to the exhaust manifold.
5. Position the transmission filler tube to the A.I.R. adapter if previously removed.
6. Install the transmission filler tube bracket nut.
Tighten the nut to 12.5 N.m (111 lb in).
7. Install the air cleaner assembly.
8. Install the air cleaner outlet duct.
