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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Mechanical (Introduction) 4.8L, 5.3L & 6.0L) >> Description and Operation >> Engine Component Description >> Cylinder Heads

Cylinder Heads

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The cylinder heads are cast aluminum and have pressed in place powdered metal valve guides and valve seats. Passages for the engine coolant air bleed system are at the front of each cylinder head. The valve rocker arm covers are retained to the cylinder head by four center mounted rocker arm cover bolts.

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