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99 Jeep Grand Cherokee problem
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CarGuru > Jeep Willys > 99 Jeep Grand Cherokee problem 4 September 2007 02:49:59
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99 Jeep Grand Cherokee problem

Scrappydoo 27 April 2005 18:20:45
 My 99 Jeep Grand Cherokee Laredo has a problem with what i think is the
radiator fan. In Aug, I went to get my jeep inspected and it wouldnt pass
because the radiator fan was not kicking on to cool the engine. I replaced
the fan and everything worked fine. I tested the old fan and it would not
work. About six months later, I was sitting in traffic and my engine
started heating up again. I looked at the radiator fan while the car was
running and it would not turn on. Why would a brand new fan quit working?
Is there anything else that i should look at to fix this problem instead
of replacing the fan every 6 months or so?

Add comment
Snow 27 April 2005 19:04:46 [ permanent link ]
 Engine size? air-conditioning? are you talking about electric fan? extra
info needed

Snow...

"scrappydoo" <scrappydoo813@hotm­ail.com> wrote in message
news:70eb9eaa10b3fb­1abfaa2c198db032df@l­ocalhost.talkaboutau­tos.com...> My 99 Jeep Grand Cherokee Laredo has a problem with what i think is the> radiator fan. In Aug, I went to get my jeep inspected and it wouldnt pass> because the radiator fan was not kicking on to cool the engine. I > replaced> the fan and everything worked fine. I tested the old fan and it would not> work. About six months later, I was sitting in traffic and my engine> started heating up again. I looked at the radiator fan while the car was> running and it would not turn on. Why would a brand new fan quit working?> Is there anything else that i should look at to fix this problem instead> of replacing the fan every 6 months or so?>


Add comment
Mike Romain 27 April 2005 19:24:58 [ permanent link ]
 I would test the fan and if it fails hope it is still under warranty.
(not likely, but one can hope)

Other than that I would maybe suspect bad connections on the plug. If
the connection is ratty, it can cause the wiring to overheat which can
kill the fan.

Then there is the switch to turn it on. That is usually a low powered
trigger switch near the thermostat that fires a relay. I would check
the relay connections for corrosion too, same deal corrosion can cause
too much heat in the wires.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

scrappydoo wrote:>
My 99 Jeep Grand Cherokee Laredo has a problem with what i think is the> radiator fan. In Aug, I went to get my jeep inspected and it wouldnt pass> because the radiator fan was not kicking on to cool the engine. I replaced> the fan and everything worked fine. I tested the old fan and it would not> work. About six months later, I was sitting in traffic and my engine> started heating up again. I looked at the radiator fan while the car was> running and it would not turn on. Why would a brand new fan quit working?> Is there anything else that i should look at to fix this problem instead> of replacing the fan every 6 months or so?
Add comment
Dave Lee 28 April 2005 02:43:53 [ permanent link ]
 This wouldn't pass inspection?? Sounds more strict than here in RI.
"scrappydoo" <scrappydoo813@hotm­ail.com> wrote in message
news:70eb9eaa10b3fb­1abfaa2c198db032df@l­ocalhost.talkaboutau­tos.com...> My 99 Jeep Grand Cherokee Laredo has a problem with what i think is the> radiator fan. In Aug, I went to get my jeep inspected and it wouldnt pass> because the radiator fan was not kicking on to cool the engine. I > replaced> the fan and everything worked fine. I tested the old fan and it would not> work. About six months later, I was sitting in traffic and my engine> started heating up again. I looked at the radiator fan while the car was> running and it would not turn on. Why would a brand new fan quit working?> Is there anything else that i should look at to fix this problem instead> of replacing the fan every 6 months or so?>


Add comment
Buford 29 April 2005 03:00:06 [ permanent link ]
 
My '99 GC had the same problem that started with the fan staying on too
long and degenerated to not cycling on at all. Replacing the fan relay
switch solved the problem, but it was a bear to get to, located under
the battery shelf. Good luck.


--
Buford
-------------------­--------------------­--------------------­-------------
Buford's Profile: http://www.wrangler­gear.com/member.php?­userid=100
View this thread: http://www.wrangler­gear.com/showthread.­php?t=2976

Add comment
Mic Canic 29 April 2005 07:06:23 [ permanent link ]
 there is a relay behind and under the right headlite( fan control relay)
it will more times than not set a fault code when it goes bad

Mike Romain wrote:
I would test the fan and if it fails hope it is still under warranty.> (not likely, but one can hope)>
Other than that I would maybe suspect bad connections on the plug. If> the connection is ratty, it can cause the wiring to overheat which can> kill the fan.>
Then there is the switch to turn it on. That is usually a low powered> trigger switch near the thermostat that fires a relay. I would check> the relay connections for corrosion too, same deal corrosion can cause> too much heat in the wires.>
Mike> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00> 88 Cherokee 235 BFG AT's>
scrappydoo wrote:> >
My 99 Jeep Grand Cherokee Laredo has a problem with what i think is the> > radiator fan. In Aug, I went to get my jeep inspected and it wouldnt pass> > because the radiator fan was not kicking on to cool the engine. I replaced> > the fan and everything worked fine. I tested the old fan and it would not> > work. About six months later, I was sitting in traffic and my engine> > started heating up again. I looked at the radiator fan while the car was> > running and it would not turn on. Why would a brand new fan quit working?> > Is there anything else that i should look at to fix this problem instead> > of replacing the fan every 6 months or so?

Add comment
Guest 20 April 2007 16:59:32 [ permanent link ]
 There could be a short in the wires going to the fan. which really sucks 'cause you have to trace the wire throughout yhe whole car]:-)­
Add comment
Guest 20 April 2007 17:01:20 [ permanent link ]
 quit your whining because you probly dont know what your doing so take it to get fixed
Add comment
Guest 2 August 2007 05:57:25 [ permanent link ]
 eThe problem im having is the brake lites work when head lights are off, but not when on. got them fixed once, but went bad like in 2 weeks. iv also seen that problem on many 99 or newer grand Cherokees.
Add comment
Guest 4 September 2007 02:49:00 [ permanent link ]
 I dont think your whining i have the same problem.....sucks and can be expensive...
Since i have fixed the same problem two years ago... Fan and Switch]:-)­ ]:-)­ ]:-)­ ]:-)­ ]:-)­ =,B­ =,B­ =,B­
Any differnt suggestions...... Im gonna look at the switch again....How long is the warranty for what i replaced....
I am really starting to think this is a factory defeat and Chrysler has know about it.....
Not once but twice now in two years..

Jeep owner in IOWA
Add comment
Guest 4 September 2007 02:49:59 [ permanent link ]
 defect=,B­ =,B­ =,B­ =,B­
cant type when i am upset about paying more money
Add comment
 

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CarGuru > Jeep Willys > 99 Jeep Grand Cherokee problem 4 September 2007 02:49:59
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