How to Replace a Lower Radiator Hose

Below guide will teach you How to Replace a Lower 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


  • Park the vehicle on a level surface. Prop the hood up and look for the radiator.
  • Put a drain pan under the radiator hose. Unclamp the lower radiator hose. Disconnect the lower radiator hose from the radiator and allow the coolant to drain out in the drain pan.
  • Once the cooling system is empties, discard the radiator hose from the engine.
  • Assemble the new lower radiator hose. It is better to use new clamps to secure the radiator hose on both the ends.
  • Take antifreeze agent and make a solution of antifreeze and water with a 50-50 composition. Add this solution to the radiator. Make sure that the antifreeze reaches up to the ‘MAX’ mark.
  • Switch the engine one and allow it to run in idle position for some time. Turn the engine off and examine the antifreeze level again in the radiator.
  • Add more antifreeze solution to the radiator and recap the radiator properly.
  • Make sure that there is no leak around the hose or from the radiator reservoir.
  • Take a small drive and observe the engine temperature gauge. If it still shows high temperature, check for antifreeze level and also for any loose connections.

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