gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Exhaust Manifold|Service and Repair > < Exhaust Manifold|Specifications
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Exhaust Manifold: Testing and Inspection

1. Clean the sealing surfaces.
2. Clean the soot deposits from the exhaust manifold.
3. Inspect the manifolds for the following conditions:

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Cracks

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Broken flanges

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Sealing surface damage

Exhaust Manifold|Service and Repair > < Exhaust Manifold|Specifications