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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 707 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR REPLACEMENTREMOVAL PROCEDURE
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Removal Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fan shroud. Refer to FAN SHROUD REPLACEMENT .
  2. Reposition the throttle body heater outlet hose clamp from the radiator using J 38185  .
  3. Remove the throttle body heater outlet hose from the radiator.
    Fig 1: Removing Throttle Body Heater Outlet Hose From Radiator
    G01971806Courtesy of GENERAL MOTORS CORP.
  4. Reposition the radiator inlet hose clamp from the water pump using J 38185  .
  5. Remove the radiator inlet hose from the water pump.
    Fig 2: Removing Radiator Inlet Hose From Water Pump (Radiator Replacement)
    G01971807Courtesy of GENERAL MOTORS CORP.
  6. Reposition the surge tank inlet hose clamp from the radiator using J 38185  .
  7. Remove the surge tank inlet hose from the radiator.
    Fig 3: Removing Surge Tank Inlet Hose From Radiator
    G01971808Courtesy of GENERAL MOTORS CORP.
  8. Remove the connector position assurance lock.
  9. Disconnect the mass air flow sensor electrical connector.
    Fig 4: Disconnecting Mass Air Flow Sensor Electrical Connector
    G01971809Courtesy of GENERAL MOTORS CORP.
  10. If equipped, remove the automatic transmission oil cooler lines from the radiator.
    Fig 5: Removing Automatic Transmission Oil Cooler Lines From Radiator
    G01971810Courtesy of GENERAL MOTORS CORP.

    Important:  It is not necessary to disconnect the air conditioning lines from the condenser.

  11. Remove the condenser from the radiator and position it forward.
  12. Remove the radiator from the vehicle.
    Fig 6: Removing Condenser From Radiator
    G01971811Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.