Question about 1988 Jeep Cherokee

2 Answers

The problem first happened a few days ago. I was driving and the rpm began to rise and accelerate even after I took my foot off of the gas which was making it hard to stop. When I managed to park it, white smoke was billowing out from under the hood and coolant was pouring from the lower radiator hose. Upon close inspection the hose had a 2 inch cut in it. I replaced the hose yesterday. It drove fine for a minute and then the same thing began to happen. I opened the hood today to discover another coolant hose has torn. And I noticed that the ccv fresh air hose that's attached, the other end is just dangling down not attached to anything. Is my problem happening because of the hoses, or are the hoses busting because of the acceleration problem? And where does the other end of the fresh air hose attach to?

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  • tiffanynoelv Sep 02, 2010

    Okay where is the other end of the ccv fresh air hose supposed to attach?

  • tiffanynoelv Sep 02, 2010

    The manual that I have for the jeep says the hose is a ccv fresh air hose that leads out of where I put the oil... But the other end of the hose is just dangling under the engine

  • tiffanynoelv Sep 02, 2010

    I also need to know where the other end of the hose that is attached to where I put the oil goes. My manual calls it the ccv fresh air hose. But the other end is just dangling..

  • tiffanynoelv Sep 07, 2010

    thank you for your help guys. I think I'm just going to replace the radiator. It seems like pressure is building up somewhere. And since I've already replaced upper and lower radiator hoses and coolant hoses, I might as well try a new radiator. I also was just able to get ahold of the guy I bought it from, and he told me there's no thermostat in the vehicle because he took it out and never replaced it

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  • Master
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If you are overheating fairly quick,I would say there is a clog somewheres if you are bursting hoses.It sounds like it may be in the return system to the radiator,most likely in the radiator because the water only gets heated by passing through the engine.I am not sure about the fresh air hose,maybe somewhere in the air filter system,maybe nowhere.First you need to get the clog figured out to determine what is affecting what I would say.If you do a radiator flush,you need to be careful with disposal of the antifreeze.Birds like the taste of it and it kills them so it needs to be diluted alot if you are going to just let it drain,or if you can catch it,I do not know how to get rid of it.Also If you do a radiator flush,which I rarely do myself or recommend,it may dislodge some stuff and create holes so just in case,you need to be prepared financially to replace the radiator,JUST IN CASE that happens.That is why I rarely do it,it usually hurts more than helps but in your case is most likely necessary.That's about the only time I would do it.My car has had a teeny weeny pinhole leak going on about 7 years now.I just put a 16 oz. cup of water into the overflow every couple of months.If the unclog does not fix it all,please just comment to this post and I will get an auto link.Good luck! Greg

Posted on Sep 02, 2010

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  • Jeep Master
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The problem is caused by the engine overheating, replace ALL cooling system hoses, then have the engine tested for a blown head gasket

Posted on Sep 02, 2010

  • yadayada
    yadayada Sep 02, 2010

    what is a CVV?

  • yadayada
    yadayada Sep 02, 2010

    the CCV is the crankcase ventilation hose, it goes to the air cleaner, but this WOULD NEVER CAUSE ANY FAST RUN ISSUE.

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