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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Engine Mechanical - 6.6L (On-Vehicle)) >> Removal & Installation >> Valve Rocker Arm, Shaft & PUSHROD >> Installation

Valve Rocker Arm, Shaft & PUSHROD: Installation

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate top of valves, valve bridge stem, valve bridge, and valve bridge pins with clean engine oil. Install valve bridge pins. Install valve bridges. Lubricate valve lifter end of pushrod with clean engine oil.
  2. Install pushrods. To ensure pushrod is properly installed, gently pull up on pushrod. You should feel resistance from pushrod trying to lift valve lifter. Lubricate rocker arm shaft bolt threads, tops of push rods, rocker arms and rocker arm shaft with clean engine oil during installation.
  3. Install rocker arm shaft assembly to cylinder head. Evenly tighten rocker arm shaft bolts to 30 ft. lbs. (41 N.m). Adjust valve clearance. Install lower valve rocker arm cover.
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