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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 997 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 1 Of 4)) >> Repair Instructions (On-Vehicle & Off Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Valve Rocker Arm, Shaft, and Push Rod Replacement >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the rocker arm shaft (7) and the inside of the rocker arms with clean engine oil.
  2. Install the rocker arm bracket (12) on one end of the rocker arm shaft with bolt.
  3. Install the intake rocker arm (9), spring (10), exhaust rocker arm (11), and bracket with bolt. Continue in the same sequence to the last bracket.
    4. Fig 1: View Of Rocker Arm Components
    GM667358Courtesy of GENERAL MOTORS CORP.
  4. Push the bracket to compress the springs and then install the bolt.
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