Question about 2002 Jeep Grand Cherokee
Try cleaning the throttle body by spraying a throttle cleaner into the throttle body.
Posted on Apr 22, 2019
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Posted on Jan 02, 2017
SOURCE: 2002 jeep cherokee laredo
My 98 Jeep Grand Cherokee had the same problem. Over heated when standing still. Took it to dealer and they could not find any problem with cooling fan. After doing my own investigation I found out that the electric cooling fan would begin to seize up after about 1hr. of operating. (gets hot)
The dealer would look at fan and see that it was running and think its ok. The problem is, it wasn't running fast enough.
I have a relay on the right side of front fender and jumped the fan to stay on with motor off. (must know what your doing). After about 1hr. fan started slowing way down. Returned it to dealer told them what the problem was. They were not smart enough to jump the relay so they put a couple hundred miles on it even though i told them it works OK when moving. Make sure you tell dealer to use the relay to jump.
Replace cooling fan motor. Works great
Posted on Feb 27, 2009
The governor pressure sensor is the most likley cause however an inspection of fluid or debris in trans pan would be a good idea to make sure there's nothing excessive in it. Attached is a list of possible causes however the senor would be the most common.
Posted on Mar 26, 2009
if you have an original working fob and your owner's manual,it will explain procedure,otherwise will have to go to dealer to be programmed
Posted on May 17, 2009
Replace the fan relay switch. The dealer will charge you 400 to pull the bumper off, or you can buy the part for 45 and cut the hole in the plastic near the passenger headlight assembly and replace it yourself. There are instructions for this procedure on the web somewhere. I have had this problem more than once with my 02 GC V6.
Posted on Aug 10, 2009
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