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SUVs Jeep Cherokee and Jeep Grand Cherokee Jeep Grand Cherokee Maintenance and Repair
4604 messages, Last post on Nov 29, 2009 at 2:07 PM
You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester
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Replying to: joesjeeps (Dec 26, 2008 7:57 am)
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I am the proud owned of a 1999 Jeep Grand Cherokee Laredo 4x4 4.0L. Two days ago after cutting my jeep off I noticed the fan running.. I know it is normal but it remained on after 1 hour.. So i unplugged it by the radiator.. 45 mins. or so later i plugged it back in to see if it would still be on and it stayed off. On the drive home I noticed that I was starting to overheat at idle.. Checked when temp was high and fan was not on.. Changed Coolant temp sensor checked fuses. cant locate fan relay.. a/c works and fan doesn't come on fan is working when I jumped it to battery. Can anyone help diagnose this problem.. Please. I have a 260 amp alt- 3 batts, and 6000 watts on 2-18's This is a daily driver and Competition vehicle. I do not want to overheat and ruin the motor. (not a fan of the 4.0L but it is what I have) I do all the wiring on my Car Audio and have decent knowledge of 12volt systems.. I was a mechanic years ago but changed jobs due to eye injury.. So I have some knowledge of automotive trouble shooting and diagnostics. II need advise from someone who knows this specific vehicle.. Any help would be appreciated. If anyone has questions about car audio/jeeps i would be glad to assist as well.
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| Sounds like the fan controller module is dead. One of our Jeeps has done the same thing. As a fast fix, we rigged the fan to be on when the lights are on. This fix may also work for you as well, but it is a temporary fix. | |
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Replying to: hittin1 (Dec 27, 2008 3:45 pm) With electical power on, grounding the electrical connection to the correct sensor should fire up the fan. If I'm wrong about this one, someboby please chime in. Happy New Year --- Clip |
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Replying to: smeags00 (Jan 23, 2008 6:37 am) |
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1996 cherokee jeeps head lights are just flickering. when im driving or when its shut off if anyone konws whats going on id like to have you in put cuz im stuck. email me at cphall21 hotmail.com if you have something
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Hey there, I have a friend who JUST paid off his 99 JGC and EVERYTHING is going on it. It seems like a money pit and I told him that. I'd like to hear from others. He has a rear wheel seal and bearing that is going out. It is leaking all over the place. He also had the Pitman gear box that goes through a pint of fluid every 20 miles. Warped brake rotors, and a slew of other little problems that are going to add up. He can not afford another vehicle, nor can he afford the repairs. I think he should sell it and get what he can for it and get something else. What do you all think.
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Replying to: cafetom (Dec 28, 2008 4:00 pm) |
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Replying to: hittin1 (Dec 27, 2008 3:45 pm) I was having the same problems the fan would stay on( but i just re-started it and it turned off) and the lights would dim, it would over heat in slow driving or when stopped, and it would hesitate turning on. turns out my fan motor had died and the car was trying to cool its self and the battery and alternator were fine i just over worked them. I had to replace the entire fan assembly and a new battery it cost a pretty penny and took sometime but it worked. There was a recall on my fan assembly that was checked out by a dealership in Florida and they said everything was fine back then and sense they checked it out my local Jeep dealership said there was nothing they could do. but good luck! Jeeps are awesome the mechanic said that he was surprised that it went so long (5 weeks  )
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Replying to: clipkarn (Dec 26, 2008 12:02 pm) I do have another question though, the starter runs but the engine doesn't engage. I tried hitting on the starter with a mallet to see if it might be locked up but that proved useless. I guess I'm questioning the bad starter because I didn't think that if it just stalled when I turned a corner that a bad starter could cause it to stall? Can a bad starter cause problems when the vehichle is already running? Needless to say I'm not a mechanic so if my question seems dumb I apologize! Thanks again.
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