Exhaust Rear Silencer Replacement - except 2.0L LBN
Special Tools
CH-6614 Chain - Type Pipe Cutter
For equivalent regional tools, refer to Special Tools .
Removal Procedure
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
Warning: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.
Warning: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury.
Caution: Do not bend the exhaust flex pipe more than 10 degrees in any direction. Bending of more than 10 degrees or twisting in a range of ±0.5 degrees will damage the exhaust flex decoupler.
- Remove the 2 exhaust rear silencer hanger insulators (3) from the exhaust rear silencer (4).
- Remove the exhaust rear silencer hanger insulators bracket bolt (1) from the exhaust rear silencer end pipe bracket (2).
- Remove the exhaust rear silencer end pipe bracket (2).
- Place the exhaust system on to the rear axle.
- Note the dent marks (1) around the exhaust pipe.
- Support the intermediate pipe.
Note: A second technician is required.
- Cut the exhaust rear silencer end pipe from the exhaust rear silencer (4) with the CH-6614 cutter (2) at the marked positions (3).
- Remove the exhaust rear silencer end pipe.
- Cut the exhaust rear silencer (4) at the marked position (1).
- Remove the exhaust rear muffler (4).
Installation Procedure
- In case of reuse of the exhaust parts, check the exhaust pipes at the separating sets for the following conditions:
• | roundness of the exhaust pipe, any deformation in the range of the double-clamp must be eliminated |
• | burrs inside and outside the exhaust pipe at the cutting edge, use a file to eliminate |
• | rust at the exhaust pipe outside, use sandpaper to eliminate |
Note: A second technician is required.
- Install the exhaust rear silencer (7) to the 2 exhaust rear silencer hanger insulators (6).
- Install the exhaust pipe clamp (1) and loosely tighten.
- Install the exhaust rear silencer end pipe (5).
- Install the exhaust rear muffler end pipe bracket (4) to the exhaust rear muffler end pipe.
Caution: Refer to Fastener Caution in the Preface section.
- Install the exhaust rear silencer end pipe bracket bolt (3) to the exhaust rear silencer end pipe bracket (4) and tighten to 25 N·m (18 lb ft).
- Install the exhaust pipe clamp (2) and loosely tighten.
- Position the exhaust rear silencer.
- Tighten the exhaust pipe clamp (1) to 30 N·m (22 lb ft).
- Position the exhaust rear silencer end pipe (5).
- Tighten the exhaust pipe clamp (2) 30 N·m (22 lb ft).
© Copyright Chevrolet. All rights reserved |
© Copyright Chevrolet. All rights reserved |