Toyota Highlander manuals

Toyota Highlander Owners Manual: If your vehicle overheats

The following may indicate that your vehicle is overheating.

Correction procedures

  1. Stop the vehicle in a safe place and turn off the air conditioning system, and then stop the engine.
  2. If you see steam: carefully lift the hood after the steam subsides.

    If you do not see steam: carefully lift the hood.

  3. After the engine has cooled down sufficiently, inspect the hoses and radiator core (radiator) for any leaks.

Toyota Highlander. Correction procedures


  1. Radiator
  2. Cooling fans

If a large amount of coolant leaks, immediately contact your toyota dealer.

  1. The coolant level is satisfactory if it is between the full and low lines on the reservoir.

Toyota Highlander. Correction procedures


  1. Reservoir
  2. full
  3. low
  4. radiator cap
  1. Add coolant if necessary.

    Water can be used in an emergency if coolant is unavailable.


  1. Start the engine and turn the air conditioning system on to check that the radiator cooling fans operate and to check for coolant leaks from the radiator or hoses.

    The fans operate when the air conditioning system is turned on immediately after a cold start. Confirm that the fans are operating by checking the fan sound and air flow. If it is difficult to check these, turn the air conditioning system on and off repeatedly. (The fans may not operate in freezing temperatures.)

  2. If the fans are not operating: stop the engine immediately and contact your toyota dealer.

    If the fans are operating: have the vehicle inspected at the nearest toyota dealer.

Warning


When inspecting under the hood of your vehicle

Observe the following precautions.

Failure to do so may result in serious injury such as burns.

  • If steam is seen coming from under the hood, do not open the hood until the steam has subsided. The engine compartment may be very hot.
  • Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans and belts.
  • Do not loosen the radiator cap and the coolant reservoir cap while the engine and radiator are hot.

 

Notice


When adding engine coolant

Add coolant slowly after the engine has cooled down sufficiently. Adding cool coolant to a hot engine too quickly can cause damage to the engine.

To prevent damage to the cooling system

Observe the following precautions:

  • avoid contaminating the coolant with foreign matter (such as sand or dust etc.).
  • Do not use any coolant additive.
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicles battery is discharged. You can also call your toyota dealer or a qualified repair shop. If you have a set of jumper (or b ...

If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes stuck in mud, dirt or snow: Stop the engine. Set the parking brake and shift the shift lever to p. Remove the mud, sn ...

More about Toyota Highlander:

Replacement
1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See page 11-1 ) 2. REMOVE FRONT WHEEL 3. REMOVE ENGINE UNDER COVER NO.1 4. REMOVE FRONT FENDER SPLASH SHIELD FRONT RH 5. REMOVE FRONT FENDER SPLASH SHIELD FRONTR LH 6. REMOVE FRONT FENDER APRON SEAL RH 7. DRAIN COOLANT (See page 16-6 ) 8. DRA ...

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