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Home >> GMC >> 2003 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 520 (Engine Mechanical (Repair Instructions -- 3 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (Off-Vehicle - Part 3) >> Valve Lifter Installation

Valve Lifter Installation

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    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 and engine block valve lifter bores with clean engine oil.
  2. Insert the valve lifters into the lifter guides.

    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 1: View Of Valve Lifters & Lifter Guides
    GM63233Courtesy of GENERAL MOTORS CORP.
  3. Install the valve lifters and guide assembly to the engine block.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the valve lifter guide bolt (211).

    Tighten:  Tighten the valve lifter guide bolt to 12 N.m (106 lb in).

    5. Fig 2: View Of Valve Lifters, Guide & Guide Bolts
    GM1272826Courtesy of GENERAL MOTORS CORP.
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