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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 638 (Engine Mechanical - 4.0L (Unit Repair)) >> Repair Instructions >> Water Crossover Installation

Water Crossover Installation

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the water crossover on the bench, install all eight crossover bolts.
    Fig 1: Installing Water Crossover Bolts
    G01817355Courtesy of GENERAL MOTORS CORP.
  2. Slide the upper and lower water crossover gaskets onto the bolts with the crossover still on the bench.
    Fig 2: Installing Upper & Lower Water Crossover Gaskets
    G01817356Courtesy of GENERAL MOTORS CORP.
  3. Place the water crossover in position and hand start the bolts to hold the crossover in place.
    Fig 3: Installing water Crossover
    G01817357Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Tighten the water crossover bolts in sequence.

    Tighten 

    Tighten all water crossover bolts to 25 N.m (18 ft lbs).

    Fig 4: Tightening Water Crossover Bolts
    G01817358Courtesy of GENERAL MOTORS CORP.
  5. Place the water pump drive belt tensioner in position on the water pump housing.
  6. Install the water pump drive belt tensioner bolts.

    Tighten 

    Tighten the drive belt tensioner bolts to 10 N.m (89 in lbs).

    Fig 5: Installing Water Pump Drive Belt Tensioner
    G01817359Courtesy of GENERAL MOTORS CORP.
  7. Feed the water pump drive belt around the water pump pulley and the water pump drive belt tensioner.
  8. Compress the drive belt tensioner. Feed the drive belt around the drive pulley.
  9. Check the drive belt for proper seating in all the pulley grooves.
    Fig 6: Installing Water Pump Drive Belt
    G01817360Courtesy of GENERAL MOTORS CORP.
  10. Place the water pump drive belt shield in position.
  11. Hand start the water pump drive belt shield nuts on the studs.
  12. Hand start the water pump drive belt shield bolt.
  13. Tighten the water pump shield nuts and bolt.

    Tighten 

    1. 13.1. Tighten the water pump shield nuts to 10 N.m (89 in lbs).
    2. 13.2. Tighten the water pump shield bolt to 10 N.m (89 in lbs).
    Fig 7: Installing Water Pump Drive Belt Shield
    G01817361Courtesy of GENERAL MOTORS CORP.
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