Sierra 1500 4WD V8-6.0L (2007)
2. If equipped with a Allison(R) automatic transmission, RPO MW7, install the exhaust pipe hanger bracket and bolt/stud.
Tighten the bolt/stud to 25 N.m (18 lb ft).
3. If equipped with a 4L80-E automatic transmission, RPO MT1, install the exhaust pipe hanger bracket and bolts.
Tighten the bolts to 25 N.m (18 lb ft).
4. If equipped with a 6.6L engine, install the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) Catalytic Converter Replacement
(4.8L, 5.3L, 6.0L, 6.2L) Catalytic Converter Replacement (6.6L).
5. If equipped with a 6.0L engine, install the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (6.0L - Cab/Chassis).
6. If equipped with a 6.0L engine, install the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement (6.0L - Cab/Chassis).
