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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1526 (Engine Mechanical - 3.5L (L66)) >> Description and Operation >> Engine Component Description >> Valve Train

Valve Train

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

1 intake and 1 exhaust rocker arm shaft are used for each cylinder bank. Rocker shafts are retained to the cylinder heads by bolts. 5 roller type rocker arms are used for each cylinder, 3 intake and 2 exhaust. The rocker arms pivot on the rocker shafts. Each rocker arm has a nut and bolt type mechanical adjuster. Periodic valve adjustment is required. Refer to Intake Rocker Arm Control System Operation .

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