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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Engine Mechanical - 4.8L, 5.3L, 6.0L Or 6.2L (5 Of 5)) >> Off-Vehicle Repair Instructions (3 Of 3) >> Valve Lifter Installation (RPO LY2/LY6/L92)

Valve Lifter Installation (RPO LY2/LY6/L92)

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    Fig 1: View Of Valve Lifter Guides & Bolts
    GM1403319Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • When using the valve lifters again, install the lifters to their original locations.
    • If camshaft replacement is required, the valve lifters must also be replaced.
  1. Lubricate the valve lifters (209) and engine block valve lifter bores with clean engine oil.
  2. Insert the valve lifters into the lifter guides (210).

    Align the flat area on the top of the lifter with the flat area in the lifter guide bore. Push the lifter completely into the guide bore.

    3. Fig 2: View Of Valve Lifter Guides, Cylinder Head & Bolts
    GM1403318Courtesy of GENERAL MOTORS CORP.
  3. Install the valve lifters and guide assembly (210) to the engine block.
    4. NOTE: Refer to Fastener Notice .
  4. Install the valve lifter guide bolts (211).

    Tighten:  Tighten the valve lifter guide bolts to 10 N.m (89 lb in).

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