Question about 2001 Jeep Grand Cherokee

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When i turn on the heat, I smell antifreeze right away then it goes away

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  • Expert
  • 54 Answers

Your heater core is leaking. The heater core on your 2001 Jeep Cherokee is responsible for providing heat in the cab of your Jeep. Overtime, he heater core can become plugged with dust or corrosion and stop working causing it to leak. The heater core is linked with the antifreeze that runs in the radiator in turn draws heat from the engine and than uses that heat to warm up the car. Most heater cores are located under the dash on the passenger side. Here is a link for how locate and remove the heater core. http://www.ehow.com/how_5332477_remove-jeep-cherokee-heater-core.html

Good luck! :)

Posted on Nov 02, 2010

Testimonial: "very informative and exactly what I had heard from other mechanics. Was hoping that it was something else....can be a very expensive fix...."

  • danielpat346 Nov 02, 2010

    Thanks very much

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  • Jeep Master
  • 6,982 Answers

If you check the rug on the passenger side you may find that it's damp. Even if it's not it is very likely that the heater core is beginning to leak. It's pretty expensive to repair but if you catch it very early a bit of radiator sealer may hold it for a while.

Posted on Nov 02, 2010

  • danielpat346 Nov 02, 2010

    thanks
    I will check it out.
    Radiator sealer? Pour it in the radiator or in the plastic side resevoir?
    Thanks again for your help.

  • Richard Scordino Nov 03, 2010

    Don't put sealer in the reservoir there isn't enough circulation there and it will fall to the bottom and stay there. You put it in the radiator itself with the engine running and heater on full heat.. Remove the cap and start it, adding the sealer after it reaches operating temp and the thermostat is open. Sealer can't be considered a permanent repair but I have seen it often work especially on small leaks, for up to a year.
    '

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Antifreeze smell is purposely very strong to keep people from drinking it as it is sweet tasting. Make sure you mo it or the fluid level to insure there isn't a leak. Make sure there wasn't any spilled on the floorboards when the heater core was replaced. If it was spilled you will need to shampoo the carpet. It should go away on a few days.

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I hope this is helpful to you. If yes, please take a sec to rate me. Thanks!
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