Toyota Pick-ups, Land Cruiser, and 4 Runner 1997-00

Radiator

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REMOVAL & INSTALLATION



2RZ-FE and 3RZ-FE Engines


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Fig. Disconnect the hoses at the points shown



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Fig. The radiator is usually secured by four bolts



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Fig. If the radiator is being replaced, the support brackets should be transferred to the new radiator

  1. Drain the engine cooling system. Have a large enough suitable container to collect the fluid.
  2.  
  3. Remove the grille, filler and clearance lamps.
  4.  
  5. On 3RZ-FE engine (California models), disconnect the air pipe.
  6.  
  7. Disconnect the upper radiator hose.
  8.  
  9. Unsecure the radiator reservoir hose.
  10.  
  11. On some T100 models, you will need to remove the power steering belt. If equipped with A/C, loosen the idler pulley nut and adjusting bolt, then remove the belt. Remove the alternator belt, fan with coupling, water pump pulley and fan shroud.
  12.  
  13. Remove the lower radiator hose; remember there will still be some fluid left in the lower hose. Have a catch pan available.
  14.  
  15. Remove the fan shroud.
  16.  
  17. On vehicles with A/T, disconnect the oil cooler hoses. Plug the openings so oil does not drip out.
  18.  
  19. Remove the four mounting bolts for the radiator. When lifting the radiator from the vehicle, you will have some fluid still in the tank. Watch for spillage.
  20.  

To install:

  1. After the radiator has been removed there may be supports on the old unit. Remove them and install on the new radiator.
  2.  
  3. If replacing with a used radiator or your old one, install a new O-ring onto the petcock.
  4.  
  5. With the supports on the new unit, install into the vehicle. Insert the tabs of the support through the radiator service holes. Tighten the radiator down to 9 ft. lbs. (12 Nm).
  6.  
  7. Connect the outlet hose.
  8.  
  9. On T100, if removed, install the water pump pulley, fan shroud, fan with coupling and drive belt. On vehicles with A/C, install the compressor belt; then adjust. Install the power steering belt and adjust.
  10.  
  11. Connect the radiator reservoir hose.
  12.  
  13. With new hose clamps, connect the upper radiator hose.
  14.  
  15. Attach the radiator grille with the clips and screws. Install both clearance lamp assemblies.
  16.  
  17. Fill the engine with a water coolant mixture. Start the engine, check for leaks, and add as required.
  18.  
  19. Check the A/T fluid level, and add, if required.
  20.  

5VZ-FE Engine


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Fig. Radiator and related components1999 Tacoma with 5VZ-FE engine shown



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Fig. Remove the upper radiator hose



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Fig. Detach the overflow hose from the filler neck of the radiator



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Fig. Remove all mounting fasteners from the radiator



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Fig. Squeeze the lower radiator hose clamp, slide it back a few inches, and then twist and remove the lower hose



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Fig. Using the proper type of tool only, clamp off all related lines . . .



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Fig. . . . to prevent leaks



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Fig. Remove the cooling fan shroud



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Fig. View of the cooling fan shroud



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Fig. Remove the radiator by carefully pulling it straight up and out of the vehicle



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Fig. After removing the radiator from the vehicle, place it in a safe place so it doesn't get damaged

  1. Drain the engine cooling system. Discard the O-ring.
  2.  
  3. Remove the front bumper filler.
  4.  
  5. Take off the clearance lamps.
  6.  
  7. Remove the grille assembly. The grille is held in place by a combination of screws and clips.
  8.  
  9. Disconnect the upper and lower radiator hoses and disconnect the hose to the overflow reservoir.
  10.  
  11. Unbolt the fan shroud.
  12.  
  13. On A/T-equipped vehicles, disconnect and plug the oil cooler lines.
  14.  
  15. Unbolt the radiator and lift out of the vehicle.
  16.  

To install:

  1. If replacing with a used radiator or your old one, install a new O-ring onto the petcock.
  2.  
  3. Install the radiator and tighten the mounting bolts to 9 ft. lbs. (12 Nm). Make certain all the rubber mounts and bushings are present and correctly placed.
  4.  
  5. Install oil cooler lines if they were removed.
  6.  
  7. Install the fan shrouds.
  8.  
  9. With new hose clamps, connect the radiator hoses.
  10.  
  11. Attach the grille and clearance lamps.
  12.  
  13. Fill the radiator with a water coolant mixture, start the engine and check for leaks.
  14.  
  15. Add coolant to the overflow reservoir, as required.
  16.  
  17. On vehicles with A/T, check the level of the transmission fluid and adjust as needed. Some fluid may have been lost during radiator removal.
  18.  

1FZ-FE Engine
  1. Drain the engine cooling system.
  2.  
  3. Disconnect the battery cables, negative first.
  4.  
  5. Remove the hold-down clamp and battery.
  6.  
  7. Unbolt and remove the ground strap.
  8.  
  9. Remove the battery tray.
  10.  
  11. Remove the grille.
  12.  
  13. Disconnect the radiator bypass hose.
  14.  
  15. Disconnect the upper radiator and reservoir hoses.
  16.  
  17. Loosen the water pump pulley mounting nuts.
  18.  
  19. Loosen the lock, pivot and adjusting bolts of the alternator, and then remove the drive belts.
  20.  
  21. Disconnect the oil cooler hose from the clamp on the fan shroud.
  22.  



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Fig. Exploded view of the radiator mounting on 1FZ-FE engines



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Fig. The battery tray must be removed from the vehicle



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Fig. Disconnect the indicated hoses from the radiator



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Fig. Be sure to release the oil cooler hose from the clamp before removing the fan shroud



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Fig. Remove the fasteners securing the radiator, the remove the radiator from the vehicle



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Fig. If replacing the radiator, transfer the brackets to the new unit

  1. Unbolt and remove the fan shroud.
  2.  
  3. Remove the water pump pulley mounting nuts.
  4.  
  5. Pull out the fan with the coupling, water pump pulley, and fan shroud.
  6.  
  7. Disconnect the A/T oil cooler hoses.
  8.  
  9. Unclamp, then remove the lower radiator hose.
  10.  
  11. Unbolt and remove the radiator, remember there will be some fluid still in the unit.
  12.  

To install:

  1. Remove the radiator brackets from the old unit if replacing with a new or used one.
  2.  
  3. Install the brackets to the new unit; tighten to 9 ft. lbs. (12 Nm).
  4.  
  5. Use a new O-ring on the petcock.
  6.  
  7. Install the radiator; tighten the mounting nuts to 9 ft. lbs. (12 Nm) and bolts to 13 ft. lbs. (18 Nm).
  8.  
  9. Connect the A/T oil cooler hoses.
  10.  
  11. Attach the lower radiator hose.
  12.  
  13. Place the fan, coupling, water pump pulley and shroud in position on the engine. Temporarily install the pulley mounting nuts.
  14.  
  15. Install the shroud and tighten to 43 inch lbs. (5 Nm).
  16.  
  17. Attach the oil cooler hose to the clamp on the fan shroud.
  18.  
  19. Install the drive belts with the adjusting and pivot bolts.
  20.  
  21. Stretch the belts tight, and then tighten the pulley mounting nuts.
  22.  
  23. Adjust the drive belts.
  24.  
  25. Attach the reservoir, upper radiator and bypass hoses.
  26.  
  27. Install the grille.
  28.  
  29. Install the battery tray. Connect the ground strap. Install the battery with the hold-down clamp and nuts.
  30.  
  31. Connect the battery cables.
  32.  
  33. Fill the engine with the correct amount of water and coolant mixture.
  34.  
  35. Start the engine, check for leaks and add coolant, if required.
  36.  
  37. Check and add A/T fluid, if required.
  38.  

2UZ-FE Engine
TUNDRA


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Fig. Radiator and related componentsTundra with 2UZ-FE engine

Use care handling this radiator. It is constructed of aluminum with plastic tanks.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the engine undercover.
  4.  
  5. Drain the engine coolant.
  6.  
  7. Disconnect the upper and lower radiator hoses and the hose to the overflow reservoir.
  8.  
  9. Disconnect the automatic transmission cooler lines, if equipped.
  10.  
  11. Unclip and remove the No. 2 (small) fan shroud.
  12.  
  13. Remove the four bolts and remove the radiator assembly. It may be necessary to remove the four bolts and remove the No. 1 (large) fan shroud.
  14.  

To install:

  1. If removed, install the No. 1 (large) fan shroud.
  2.  
  3. Install the radiator, guiding the bracket hooks to the radiator support holes. Install the four bolts and torque to 108 inch lbs. (12 Nm).
  4.  
  5. Install the No. 2 (small) fan shroud.
  6.  
  7. Connect the automatic transmission cooler hoses to the radiator.
  8.  
  9. Connect the upper and lower radiator hoses and the hose to the coolant overflow reservoir.
  10.  
  11. Fill the radiator with coolant, start the engine and check for leaks.
  12.  
  13. Recheck the engine coolant level.
  14.  
  15. Install the engine undercover.
  16.  

LAND CRUISER


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Fig. Radiator and related components1999 Land Cruiser with 2UZ-FE engine

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the engine undercover.
  4.  
  5. Drain the engine coolant.
  6.  
  7. Disconnect the upper and lower radiators and the hose to the overflow reservoir tank.
  8.  
  9. Disconnect the automatic transmission cooler lines.
  10.  
  11. Remove the overflow reservoir tank.
  12.  
  13. Disconnect the automatic transmission cooler lines from the clamp on the fan shroud.
  14.  
  15. Loosen the fan pulley mounting nuts holding the fan clutch (Toyota calls it a "fluid coupling") to the fan bracket.
  16.  
  17. Remove the alternator drive belt.
  18.  
  19. Remove the three bolts holding the fan shroud to the radiator.
  20.  
  21. Remove the four fan pulley mounting nuts.
  22.  
  23. Pull out the fan with the clutch, fan pulley and fan shroud.
  24.  
  25. Remove the nuts and bolts and lift out the radiator assembly.
  26.  
  27. If changing out the radiator to a new replacement, transfer the radiator side supports to the new radiator.
  28.  

To install:

  1. Install the radiator in the truck. Tighten the nuts to 15 ft. lbs. (20 Nm) and the bolts to 13 ft. lbs. (18 Nm).
  2.  
  3. Place the fan using the following sequence:
    1. Place the fan with the clutch, fan pulley and shroud in position.
    2.  
    3. Temporarily install the fan pulley mounting nuts.
    4.  
    5. Install the fan shroud with the three bolts
    6.  
    7. Connect the automatic transmission cooler lines to the clamp on the fan shroud.
    8.  
    9. Install the alternator drive belt.
    10.  
    11. Tighten the fan pulley mounting nuts.
    12.  

  4.  
  5. Install the coolant overflow reservoir tank.
  6.  
  7. Connect the automatic transmission cooler lines, the upper and lower radiator hoses and the hose to the overflow reservoir.
  8.  
  9. Fill the radiator with coolant.
  10.  
  11. Start the engine and check for engine coolant leaks.
  12.  
  13. Recheck the coolant level.
  14.  
  15. Install the engine undercover.
  16.  

 
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