Toyota
Jeep Cherokee
 Owners Manual
Maintaining your vehicle » Maintenance procedures » Cooling System
Points To Remember

NOTE: When the vehicle is stopped after a few miles/ kilometers of operation, you may observe vapor coming from the front of the engine compartment. This is normally a result of moisture from rain, snow, or high humidity accumulating on the radiator and being vaporized when the thermostat opens, allowing hot engine coolant (antifreeze) to enter the radiator.

If an examination of your engine compartment shows no evidence of radiator or hose leaks, the vehicle may be safely driven. The vapor will soon dissipate.

  • Do not overfill the coolant expansion bottle.
  • Check the coolant freeze point in the radiator and in the coolant expansion bottle. If engine coolant (antifreeze) needs to be added, the contents of the coolant expansion bottle must also be protected against freezing.
  • If frequent engine coolant (antifreeze) additions are required, the cooling system should be pressure tested for leaks.
  • Maintain engine coolant (antifreeze) concentration at a minimum of 50% OAT coolant (conforming to MS.90032) and distilled water for proper corrosion protection of your engine which contains aluminum components.
  • Make sure that the coolant expansion bottle overflow hoses are not kinked or obstructed.
  • Keep the front of the radiator clean. If your vehicle is equipped with air conditioning, keep the front of the condenser clean.
  • Do not change the thermostat for Summer or Winter operation. If replacement is ever necessary, install ONLY the correct type thermostat. Other designs may result in unsatisfactory engine coolant (antifreeze) performance, poor gas mileage, and increased emissions
    More about «Cooling System»:

    Engine Coolant Checks

    Cooling System - Drain, Flush And Refill

    Selection Of Coolant

    Adding Coolant

    Cooling System Pressure Cap

    Disposal Of Used Engine Coolant

    Coolant Level

    Points To Remember

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