How to Remove a T100 Radiator

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The radiator mounted behind the grille on the core support of a Toyota T100 pickup is responsible for exchanging the heat from the engine coolant the circulates between the engine and the radiator. Hot coolant flows into the top of the aluminum radiator and spreads into thin tubes surrounded by tiny fins. As the coolant flows across the radiator, the aluminum absorbs the heat. Then air passing through the fins takes away the heat from the aluminum. Your T100's radiator can get damaged in an accident or just corrode from the inside out because of rust. When the radiator starts to have problems, you'll need to repair or replace it. You should remove it completely so it can be professionally repaired or replaced entirely. Removing a T100 radiator should take about 45 minutes to do.

Things You'll Need

  • Drain pan
  • Phillips-head screwdriver
  • Line wrench set
  • Flat-head screwdriver
  • 3/8-inch ratchet and socket set
  • Allow the T100's engine to cool enough that you can place your palm flat on the radiator cap without burning your hand. Pop the hood. Remove the corner lenses using the Phillips-head screwdriver, and twist out the bulb using your hands. Remove the grille with the Phillips-head screwdriver.

  • Put the drain pan below the radiator. Open the petcock on the radiator using your hands and let the coolant empty into the pan. Remove the upper radiator hose clamp with the flat-head screwdriver and pull the line off the radiator. Repeat on the lower radiator hose.

  • Unbolt the fan shroud from the core support using the 3/8-inch ratchet and socket. Remove the oil cooler lines on the radiator with a line wrench if you have a T100 with an automatic transmission.

  • Unbolt the radiator from the core support using the 3/8-inch ratchet and socket. Pull it up and out of the core support with both hands.

References

  • "Chilton Toyota Pick-Ups/Land Cruiser/4Runner 1989-96 Repair Manual"; Dawn M. Hoch; 1996
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