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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 956 (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 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING in Heating, Ventilation and Air Conditioning.
  2. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  3. Remove the cooling fans with the cooling fan shroud. Refer to COOLING FAN REPLACEMENT - ELECTRIC  .
  4. Reposition the hose clamp at the water pump housing using the J 38185. 
    Fig 1: Disconnecting Radiator Outlet Hose From Water Pump Housing
    G01500993Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the radiator outlet hose from the water pump housing.
  6. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  7. Reposition the hose clamp at the radiator using the J 38185. 
  8. Disconnect the radiator outlet hose from the radiator.
  9. Remove the radiator outlet hose.
  10. Disconnect the lower TOC line from the radiator. Refer to TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING in Automatic Transaxle - 4T65-E.
  11. Lower the vehicle.
  12. Remove the nut which secures the A/C discharge hose to the condenser block.
  13. Disconnect the A/C discharge hose from the condenser block.
  14. Remove and discard the sealing washer.

    Important:  Cap or tape off the open A/C hose immediately to prevent system contamination.

  15. Cap or tape off the A/C discharge hose.
    Fig 2: Removing And Discard Sealing Washer
    G01500994Courtesy of GENERAL MOTORS CORP.
  16. Remove the bolt which secures the evaporator inlet tube to the condenser block.
  17. Disconnect the evaporator inlet tube from the condenser block.
  18. Cap or tape off the evaporator inlet tube.
    Fig 3: Removing Bolt And Evaporator Inlet Tube
    G01500995Courtesy of GENERAL MOTORS CORP.
  19. Remove the radiator and condenser assembly.
  20. Remove the condenser tube clip bolt.
  21. Remove the condenser mounting bolts.
  22. Remove the condenser from the radiator.
Fig 4: Removing Condenser From Radiator
G01500996Courtesy 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.