How to Replace a Radiator

Below guide will teach you How to Replace a Radiator . Please follow the instructions carefully.

Things You’ll Need:

  • Flashlight
  • Screwdriver
  • Combination Wrench Set
  • Cooling System Pressure Tester
  • Socket and Ratchet Set
  • Needle Nose Pliers
  • 3/8 in. Drive Ratchet
  • Radiator

Estimated Costs:

  • DIY Costs: Est. $849.95 parts only
  • Shop Costs: Est. $1,184.76 parts and labor


  • Park the vehicle on a level surface and let the engine cool down.
  • Prop the engine hood up and detach the negative battery cable from the battery terminal.
  • Take the radiator cap off.
  • Put a drain pan at the bottom of the radiator drain plug. Now unfasten the radiator drain plug or detach the lower radiator hose from the radiator to allow the coolant to drain out into the drain pan.
  • Now disconnect the upper radiator hose as well.
  • Also, disassemble the radiator fan shroud or electric cooling fan assembly and take the radiator out of the engine block.
  • Position the new radiator in its place and make certain that it is properly seated.
  • Reconnect the lower radiator hose to the new radiator.
  • Also, reassemble the radiator fan shroud or electric cooling fan assembly.
  • Now fix the upper radiator hose and secure it with clamp.
  • Add fresh coolant in the radiator reservoir. The coolant should be a mixture of 50% water and 50% antifreeze agent.
  • Now, perform pressure test to the radiator with cooling system pressure tester to locate any leak.
  • Reconnect the negative battery cable to the terminal and switch the engine on.
  • After some time check the coolant level again and add more coolant if required.
  • Take a small drive and keep an eye on the temperature gauge to verify the installation.

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