Removal Procedure

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Refer to Exhaust Service Caution in Cautions and Notices.

CAUTION: Refer to Protective Goggles and Glove Caution in Cautions and Notices.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig 1: View Of Rear Right Wheel Suspension Assembly

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Use care not to over extend the rear brake hose.

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).

Fig 2: Exhaust Pipe To Muffler Joint

Courtesy of GENERAL MOTORS CORP.

Remove the nuts securing the muffler to the catalytic converter.

Fig 3: View Of Exhaust Pipe Hanger, Frame Support Bracket Rod & Exhaust Pipe Hanger Rod

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not use oil base lubricants.

Apply a soapy solution to the exhaust pipe hanger rods (3) in order to ease the removal of the exhaust hangers (1).
Pry the exhaust hangers (1) free from the exhaust pipe hanger rods (3).
Complete the following in order to remove the muffler from the vehicle:
1. Slide the muffler rearward from the catalytic converter.
2. Rotate the muffler 90 degrees counterclockwise from the rear.
3. Carefully remove the muffler rearward from the vehicle.