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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Engine Mechanical - 4.0L (On-Vehicle)) >> Repair Instructions >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place a small amount of sealant GM P/N 12345739 or equivalent at the split line of the upper and lower crankcases (1).
    Fig 1: Identifying Sealant Application Location
    G01819284Courtesy of GENERAL MOTORS CORP.
  2. Place the engine front cover gasket over the crankcase dowel pins.
  3. Place the engine front cover in position on the crankcase.
  4. Install the engine front cover retaining bolts.
    Fig 2: Installing Engine Front Cover & Gasket
    G01819285Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer toFASTENER NOTICE .
  5. Tighten the engine front cover bolts in the sequence shown.

    Tighten 

    Tighten the engine front cover bolts in proper sequence to 10 N.m (89 in lbs)

    6. Fig 3: Identifying Engine Front Cover Bolt Tightening Sequence
    G01819286Courtesy of GENERAL MOTORS CORP.
  6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  7. Install the right engine mount bracket. Refer to Engine Mount Bracket Replacement - Right .
  8. Install the drive belt idler pulley.
  9. Install the drive belt idler pulley bolt.

    Tighten 

    Tighten the drive belt idler pulley bolt to 50 N.m (37 ft lbs).

  10. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
    Fig 4: Installing Drive Belt Idler Pulley
    G01819287Courtesy of GENERAL MOTORS CORP.
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