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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 >> Engine Oil Cooler Hose/Pipe Replacement (4WD) >> Installation Procedure

Installation Procedure

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    Fig 1: Identifying Quick Connect Fittings
    GM721991Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: A distinct snap should be heard when assembling the tube ends of the hose assembly to the quick connectors. To ensure the tube is fully inserted into the connector, check by giving the tube a forceful pull.
  1. If equipped with a 8.1L engine, perform the following:
    1. Install the oil cooler hose assembly and a NEW gasket.
    2. Connect the quick connect fittings (1) at the engine.
      3. NOTE: Refer to FASTENER NOTICE .
    3. Install the oil cooler hose bracket bolt.

      Tighten:  Tighten the bolt to 50 N.m (37 lb ft).

    2. Fig 2: View Of Oil Cooler Hose Bracket Bolt & Adapter Bolts
    GM688324Courtesy of GENERAL MOTORS CORP.
  2. If equipped with a 5.3L or 6.0L engine, perform the following:
    1. Install the oil cooler hose assembly and a NEW gasket.
    2. Install the oil cooler hose adapter bolts (2).

      Tighten:  Tighten the bolts to 12 N.m (106 lb in).

    3. Install the oil cooler hose bracket bolt (1).

      Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

    3. Fig 3: View Of Differential Carrier Lower Mounting Bolt
    GM834278Courtesy of GENERAL MOTORS CORP.
  3. Raise the jack in order to position the differential carrier.
  4. Install the differential carrier lower mounting bolt and nut. Do not tighten the bolt at this time.
  5. Pivot the differential carrier up and back on the lower mount bolt while it is being supported by the jack.
    6. Fig 4: View Of Differential Carrier Upper Mounting Bolt
    GM834276Courtesy of GENERAL MOTORS CORP.
  6. Install the differential carrier upper mounting bolt and nut. Do not tighten the bolt at this time.
    7. Fig 5: View Of Inner Axle Housing Nuts
    GM834241Courtesy of GENERAL MOTORS CORP.
  7. Install the inner axle housing washers and nuts to the brackets.

    Tighten: 

    • The inner axle housing bolts to 100 N.m (75 lb ft).
    • The upper and lower differential carrier bolts to 100 N.m (75 lb ft).

  8. Remove the adjustable jack from under the front differential carrier.
  9. If equipped, install the front differential carrier shield. Refer to SHIELD REPLACEMENT .
  10. If equipped, install the engine protection shield. Refer to ENGINE PROTECTION SHIELD REPLACEMENT .
  11. Remove the jack or utility stands from the rear of the vehicle.
  12. Lower the vehicle.
    13. Fig 6: View Of Oil Cooler Hoses
    GM721990Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Ensure the oil cooler line being installed has a plastic cap on the end that connects to the quick connect fitting. If no plastic cap exists, or the plastic cap is damaged, obtain a new cap. Install the cap onto the cooler line prior cooler line installation.
    • Do not use the plastic cap in order to install the cooler line into the fitting.
  13. If equipped with a 8.1L engine perform the following:
  14. Install the oil cooler hoses to the clip.
    15. Fig 7: View Of Engine Oil Cooler Quick Connect Fittings
    GM367011Courtesy of GENERAL MOTORS CORP.
  15. If equipped with a 5.3L or 6.0L engine, perform the following:
    1. Install the oil cooler hoses to the hose clip on the fan shroud.
    2. Snap the oil cooler hose clip shut.
  16. Connect the engine oil cooler quick connect fittings. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting .
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