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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 674 (Engine Cooling System) >> Repair Instructions >> Water Crossover Replacement (8.1L Engine) >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Water Outlet, Bolts & Thermostat
    GM635643Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  1. If replacing the water crossover install the following:
    1. Thermostat (3)
    2. Water outlet (1)
    3. Water outlet bolts (2)

      Tighten:  Tighten the water outlet bolts to 30 N.m (22 lb ft).

    2. Fig 2: View Of Engine Coolant Crossover & Gasket
    GM470698Courtesy of GENERAL MOTORS CORP.
  2. Install NEW water crossover gaskets.
  3. Install the water crossover.
  4. Install the water crossover bolts.

    Tighten:  Tighten the water crossover bolts to 50 N.m (37 lb ft).

    5. Fig 3: View of Generator Bracket Bolts
    GM751458Courtesy of GENERAL MOTORS CORP.
  5. Install the generator bracket.
  6. Install the generator bracket stud.

    Tighten:  Tighten the generator bracket stud to 20 N.m (15 lb ft).

  7. Install the generator bracket bolts and nut.

    Tighten:  Tighten the generator bracket bolts and nut to 50 N.m (37 lb ft).

  8. Install the power steering pump. Refer to POWER STEERING PUMP REPLACEMENT (4.8 L, 5.3 L, & 6.0L) or POWER STEERING PUMP REPLACEMENT (8.1 L) .
  9. Install the generator. Refer to GENERATOR (4.8L, 5.3L & 6.0L ENGINES) or GENERATOR (8.1L ENGINE) .
    10. Fig 4: Thermostat Bypass Hose & Clamps
    GM470692Courtesy of GENERAL MOTORS CORP.
  10. Install the bypass hose.
  11. Position the bypass hose clamps at the water crossover and water pump.
    12. Fig 5: Heater Inlet Hose
    GM750694Courtesy of GENERAL MOTORS CORP.
  12. Install the heater inlet hose to the water crossover.
  13. Position the heater inlet hose clamp at the water crossover.
    14. Fig 6: View Of Inlet Hose Clamp & Water Crossover
    GM751425Courtesy of GENERAL MOTORS CORP.
  14. Install the inlet hose to the water crossover.
  15. Position the inlet hose clamp at the water crossover.
  16. Install the drive belt tensioner. Refer to DRIVE BELT TENSIONER REPLACEMENT -- ACCESSORY .
  17. Fill the cooling system. Refer to Draining and Filling Cooling System .
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