How to Replace an Upper Radiator Hose

Below guide will teach you How to Replace an Upper Radiator Hose . Please follow the instructions carefully.

Things You’ll Need:

  • Screwdriver
  • Cooling System Pressure Tester
  • Needle Nose Pliers
  • Radiator Hose

Estimated Costs:

  • DIY Costs: Est. $60.65 parts only
  • Shop Costs: Est. $248.47 parts and labor


  • Prop the engine hood up.
  • Examine the radiator thoroughly, especially the upper radiator hose for any cracks or other wear and tear.
  • Take the cooling system pressure tester to perform the pressure test. Refer to owner’s manual or radiator cap for recommended pressure.
  • Make sure that there is no leak in the cooling system.
  • Put a drain pan under the radiator and unplug the drain plug located at the bottom of the radiator.
  • Unclamp the upper radiator hose from the radiator and discard it.
  • Fix new upper radiator hose to the radiator and secure it with clamps.
  • Add a mixture of coolant and distilled water to the radiator until it reaches to MAX mark.
  • Turn the engine on and wait for few minutes before rechecking the coolant level and leak.
  • Recap the radiator.

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