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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 3.4L) >> Repair Instructions - Off Vehicle >> Valve Rocker Arm and Push Rod Cleaning and Inspection

Valve Rocker Arm and Push Rod Cleaning and Inspection

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    CAUTION: Refer to Cleaning Solvent Caution .
  1. Clean the valve rocker arms and push rods in cleaning solvent.
    2. CAUTION: Refer to Safety Glasses Caution .
  2. Dry the valve rocker arms and push rods with compressed air.
    3. Fig 1: Identifying Valve Rocker Arm
    GM186991Courtesy of GENERAL MOTORS CORP.
  3. Inspect the valve rocker arms for the following conditions:
    • Excessive wear at the valve contact or push rod socket area (1)
    • A loose or damaged pin (2)
    • A worn or damaged roller bearing (2)

      The roller should rotate freely with no binding or roughness.

    • The bolt threads for damage
    4. Fig 2: Identifying Push Rod Inspection Areas
    GM186986Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Keep the push rods in order. The intake and exhaust are different lengths.
  4. Inspect the push rods for the following conditions:
    • Straightness using a straight edge (1)
    • Excessive wear on the push rod ends (3)
    • Clogging of the oil passage (2)
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