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    2004 GMC Truck Yukon XL Denali AWD 6.0L SFI 8cyl

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    1720 S RIDGEWOOD A
    (386) 427-1210

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    Exhaust Manifold Gasket

    Exhaust Manifold Gasket Operation:

    1. A metal ring used on some spark plugs to seal pressure between the plug shell and the cylinder head.
    2. A piece of thin compressible material such as cork, rubber, or soft metal, placed between two mating surfaces to form a seal.

    How To Instructions:

    Inspect - Check for obvious problems.
    Replace - Out with the old, in with the new.

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