Removal Procedure

1999 Chevrolet Pickup K1500, 5.7 RSECTION 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 RechargingΒ .
  2. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
  3. Remove the cooling fans with the cooling fan shroud. Refer to Cooling Fan Replacement - Electric (LA1) or Cooling Fan Replacement - Electric (LY7) in Engine Cooling.
  4. Fig 1: Aligning Radiator Outlet Hose Clamp At The Water Pump Housing
    GM825403Courtesy of GENERAL MOTORS CORP.
  5. Reposition the radiator outlet hose clamp at the water pump housing using the J 38185Β  .
  6. Disconnect the radiator outlet hose from the water pump housing.
  7. Reposition the radiator outlet hose clamp at the radiator using the J 38185Β  .
  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 Fluid Cooler Line Quick Connect Fitting in Automatic Transaxle - 4T65-E.
  11. Fig 2: Discharge Hose To Condenser Nut
    GM628885Courtesy of GENERAL MOTORS CORP.
  12. Remove the A/C discharge hose nut from the condenser block.
  13. Disconnect the A/C discharge hose from the condenser block.
  14. IMPORTANT: Cap or tape off the open A/C refrigerant components immediately to prevent system contamination.
  15. Cap or tape off the A/C discharge hose.
  16. Fig 3: Identifying Evaporator Inlet Tube From The Condenser & Bolt
    GM825404Courtesy of GENERAL MOTORS CORP.
  17. Remove the evaporator inlet tube bolt from the condenser block.
  18. Disconnect the evaporator inlet tube from the condenser block.
  19. Cap or tape off the evaporator inlet tube.
  20. Remove the radiator and condenser assembly.
  21. Remove the condenser tube clip bolt.
  22. Remove the condenser tube clip.
  23. Fig 4: Identifying Condenser Mounting Bolts
    GM825405Courtesy of GENERAL MOTORS CORP.
  24. Remove the condenser mounting bolts.
  25. Remove the condenser from the radiator.
  26. Fig 5: View Of Receiver Dehydrator Upper/Lower Bracket Bolts
    GM887653Courtesy of GENERAL MOTORS CORP.
  27. Remove the receiver dehydrator upper bracket bolt.
  28. Remove the receiver dehydrator lower mounting bolts.
  29. Disconnect the receiver dehydrator from the condenser.
  30. Remove and discard the sealing washers.
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:

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