gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Exhaust Pipe Gasket|Service and Repair|Page 2740 > < Exhaust System - Poping/Snapping Noise When Hot|Page 2735
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Exhaust Pipe Gasket: Service and Repair

Exhaust Seal Replacement 

Removal Procedure

Caution:  Refer to Exhaust Service Caution in Service Precautions.

Caution:  Refer to Protective Goggles and Glove Caution in Service Precautions.

1. Raise and support the vehicle. 
2. Remove the 3 nuts attaching the catalytic converter to the exhaust manifold.
3. Position the exhaust system rearward, enough to allow clearance to remove the seal.

4. Remove the exhaust manifold seal from the exhaust manifold flange. Discard the seal.

Installation Procedure

Exhaust Pipe Gasket|Service and Repair|Page 2740 > < Exhaust System - Poping/Snapping Noise When Hot|Page 2735