Question about 1989 Jeep Cherokee

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1989 jeep laredo overheating

Changed thermostat twice, and checked if theres any clogs in hoses. Still have no clue as to why its still over heating. Help! My 89 Jeep is an inline 6, 4.0L. Everything was great until about a month ago when I had a leak due to just being old in the reservior. after that I've been overheating during idle. I've check the hoses and drained the system. I haven't replaced anything yet. I'm trying to decide if it is worth fixing or scrapping. I'd prefer to have a professional work on it. Can you suggest some place, no strings attached. Thanks.

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  • justthat_1 Jun 01, 2009

    Looking for a place in Tulsa to take my jeep to have it fixed. I too old to do it myself anymore.

  • yadayada
    yadayada May 11, 2010

    can u suggest some place?? what do u mean, are u in Europe? sounds like you have a blown head gasket or a clogged radiator core..



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I have the same model and year and I believe you need a transmission temperature sensor. It's on the drivers side of the radiator and will keep your fan from kicking on to cool off the engine. I'm puttin one on this weekend to see if it works for sure but my mechanic said it should fix the problem. He said you can get them from a junk yard for like 10 bucks and all it takes is a wrench to put on. Hope this helps

Posted on Jun 02, 2009

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Can't tell you where to go, but sounds like you likely have a plugged up radiator...the insides of the 4.0 engines rust considerably and generate a ton of loose rust which prevents proper flow of coolant in the core. Most times it can be flushed but sometimes it gets in there so tight that it's easier to just change it.

Posted on Jun 01, 2009


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