Sierra 3500 4WD V8-6.0L (2008)
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) (See: Catalytic Converter/Service
and Repair/Catalytic Converter Replacement)Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) (See: Catalytic Converter/Service and
Repair/Catalytic Converter Replacement)Catalytic Converter Replacement (6.6L) (See: Catalytic Converter/Service and Repair/Catalytic
Converter Replacement) .
5. If equipped with a 6.0L engine, install the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (6.0L - Cab/Chassis) (
See: Catalytic Converter/Service and Repair/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) (See:
Exhaust Pipe/Service and Repair) .