Question about 2001 Jeep Cherokee

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2001 jeep cherokee

What is that big cylinder that sits almost directly behind the coolant resevior? It appears to be either leaking or has a lot of condensation on it. Plus my engine light is on. Could this be the problem??

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  • steveng25 Sep 26, 2008

    ok, another question. It seems as if something is leaking (not from the a/c). It seems clear, no smell to it. Plus the heat woesn't work properly, ie it doesnt get really hot. also, the brake light is on...i added brake fluid, but it seems to leak out from somewhere..cant see or find a leak. how much fluid would i have to add if it was completely empty? thanks, its a lot of problems i know.

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The big cylinder is the accumulator for your a/c system. if it has condensation on it that means it's operational as should be. as far as your check engine light, there could be several reasons for this. First it could be because you have low fluid levels. Check the oil and coolant and top off if need be. if the light doesn't go out it is then a code issue brought on by a sensor issue and the ecm(engine control module) set the light off. the only way to know hat the code and hence the problem is to have a diagnostic scan done at a shop. please rate the solution. thanks

Posted on Sep 26, 2008

  • Ronald Mueller
    Ronald Mueller Sep 26, 2008

    it's just water from the a/c evaperator drainage tube. as far as leaking brake fluid, chances are your wheel cylindeers in the back are probaly the cause of this or you have a pin whole in a steel line or a hole in the hoses going to the calipers or drums. you should not have to put more than a half a pint to the resevoir. if complete ly empty no more than a pint. as far as the heater it could be as simple as the fresh air door. sticking open a loose vaccum line. then it also could be that you have a partially clogged heater core, poor circulation of the water through the pump. i'm betting that because of the brake problem the ecm threw a code because your anti lock brake system sensed a loss of pressure hence the check engine light cam on. if you need anymore questions answered just feel free to ask me. please rate my help to you...... thanks

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