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Home >> Chevrolet >> 2007 >> HHR L4-2.2L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Exhaust System >> Muffler >> Service and Repair
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Muffler: Service and Repair



Muffler Replacement

Removal Procedure




1. Lower the rear axle assembly.
2. Remove the exhaust muffler nuts.




3. To aid in removal, spray lubricant onto the hanger insulators.
4. With an assistant supporting the exhaust muffler assembly, separate the exhaust hanger insulators from the underbody exhaust hangers.
5. With the aid of the assistant, remove the exhaust muffler assembly.

Installation Procedure




1. To aid in installation, spray lubricant onto the hanger insulators.
2. With the aid of the assistant, position the exhaust muffler assembly.
3. With the assistant supporting the exhaust muffler assembly, install the exhaust hanger insulators to the underbody exhaust hangers.





Notice: Refer to Fastener Notice in Service Precautions.

4. Install the exhaust muffler nuts.

Tighten the nuts to 46 N.m (34 lb ft).

5. Raise the rear axle assembly.

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