Exhaust Hanger Mounting Bracket Replacement (without /E63/ZW9)

Exhaust Hanger Mounting Bracket Replacement (without L96/E63/ZW9)

Removal Procedure




1. If equipped with a 6.0L engine, remove the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement (ZW9) Exhaust Manifold Pipe Replacement (ZW9).
2. If equipped with a 6.0L engine, remove the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (ZW9) Service and Repair.
3. If equipped with a 6.6L engine, remove the catalytic converter. Refer to Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp) Service and RepairCatalytic Converter Replacement (LGH /LML) Service and RepairCatalytic Converter Replacement (L96 with E63) Service and RepairCatalytic Converter Replacement (L96 with ZW9) Service and RepairCatalytic Converter Replacement (L96 with Exhaust Flange) Service and Repair.
4. If equipped with a 4L80-E automatic transmission, regular production option (RPO) MT1, remove the exhaust pipe hanger bracket bolts and bracket.




5. If equipped with a Allison(R) automatic transmission, RPO MW7, remove the exhaust pipe hanger bracket bolt/stud and bracket.




6. If equipped with a 6L90-E automatic transmission, RPO MYD, remove the exhaust pipe hanger bracket bolts and bracket.

Installation Procedure





Caution: Refer to Fastener Caution Fastener Caution.

1. If equipped with a 6L90-E automatic transmission, RPO MYD, install the exhaust pipe hanger bracket and bolts and tighten to 25 Nm (18 lb ft).




2. If equipped with a Allison(R) automatic transmission, RPO MW7, install the exhaust pipe hanger bracket and bolt/stud and tighten to 25 Nm (18 lb ft).




3. If equipped with a 4L80-E automatic transmission, RPO MT1, install the exhaust pipe hanger bracket and bolts and tighten to 25 Nm (18 lb ft).
4. If equipped with a 6.6L engine, install the catalytic converter. Refer to Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp) Service and RepairCatalytic Converter Replacement (LGH /LML) Service and RepairCatalytic Converter Replacement (L96 with E63) Service and RepairCatalytic Converter Replacement (L96 with ZW9) Service and RepairCatalytic Converter Replacement (L96 with Exhaust Flange) Service and Repair.
5. If equipped with a 6.0L engine, install the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (ZW9) Service and Repair.
6. If equipped with a 6.0L engine, install the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement (ZW9) Exhaust Manifold Pipe Replacement (ZW9).