Colorado 4WD L5-3.7L (2007)
Muffler: Service and Repair
Muffler Replacement
Removal Procedure
Caution: Refer to Exhaust Service Caution.
Caution: Refer to Protective Goggles and Glove Caution.
1. Raise and support the vehicle. Refer to Vehicle Lifting.
Important: Use care not to over extend the rear brake hose.
2. Complete the following in order to gain clearance to remove the muffler:
1. Remove the lower shock absorber nuts (9) and bolts (8).
2. Remove the right rear leaf spring nut (2) and bolt (1).
3. Wedge a block of wood (5) between the frame (4) and the rear axle (6).
3. Remove the nuts securing the muffler to the catalytic converter.