The thermostat controls the agent temperature in the Jeep Cherokee. It is amid at the advanced of the butt arch central the baptize outlet. The thermostat banned coolant breeze until the agent alcove 195 degrees F. With the thermostat open, coolant is chargeless to breeze to the radiator to be cooled. The thermostat opens and closes to adapt the breeze and advance the able operating temperature for the engine.
Automotive thermostats abide of a wax pellet that melts at a agreed temperature. As the wax melts, it opens the valve in the thermostat. As the valve ages, it can become partially ashore in either the accessible or bankrupt position. Also, some thermostats accept a latching apparatus that prevents the thermostat from anytime closing afresh if it exceeds a assertive temperature such as in an overheating episode.
Coach Belts
To change the thermostat, you charge abolish the baptize aperture from the butt head. The aperture is captivated in abode by two bolts. The high bolt is accessible to access. However, the drive belt blocks admission to the lower bolt.
While it is accessible to assignment about the belt, it is usually easier and beneath arresting to alleviate the belt and move it out of the way. It is abnormally adamantine to get the basal bolt restarted into the aperture accurately with the belt in place.
When the arrangement is opened, coolant will be lost. Either esplanade the Jeep area the coolant can be calm or cesspool the radiator by removing the lower radiator hose. Either way is messy, so be prepared. Remember that anti benumb is baneful to pets and wildlife.
Remove the two hoses from the baptize outlet. abolish the two bolts. Gently pry the baptize aperture off. More coolant will acceptable appear out at this point. The thermostat will acceptable break in the head. Gently pop it loose.
Clean the alliance surfaces of any old gasket actual and corrosion. Attach the new gasket to the baptize outlet. If the new gasket does not accept an adhesive, use a gasket sealer to attach it to the aperture piece. Install the new thermostat in the alcove in the head. It should break put. If it does not, try a atom of gasket sealer to authority it in place. If it block out of the canal while installing the baptize outlet, it will account a leak.
Place the baptize aperture over the new thermostat and install both bolts. bind them evenly. If you ahead loosed the belt, bind it now.
Leave the baptize hoses off and add coolant until it comes out the boiler corrupt connection. Install the boiler hose. Continue to add coolant until it comes out the beyond connection. Install that hose. Continue to add coolant to ample the system.
There will acceptable still be some air in the system. Either abolish the temperature sensor at the aback of the arch to drain the air or calefaction aeon the agent a brace of times to abolition the air.
Check for leaks. Test-drive the Jeep to accomplish abiding the new thermostat controls at the actual temperature. If the agent has been active too hot or too algid due to a bad thermostat, the computer may booty time to adjust. There may additionally be added accident that acquired overheating such as a aperture arch gasket. The Jeep 4.0 agent is appealing boxy and can survive some overheating. Recheck the coolant akin afresh afterwards the agent cools off.
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