Last post on Mar 11, 2013 at 11:12 AM
You are in the Jeep Cherokee and Jeep Grand Cherokee
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Jeep Cherokee, SUV
#72 of 75 Fix 2004 4.7l v8
Nov 13, 2012 (2:30 pm)
2004 4.7l v8 This was a $1.00 fix the dealership told me 100 to diagnose and possible 1000 to fix. The vacuume line comes out of the passenger side of the manifold. you have to remove the 4.7 l v8 plastic air intake piece and air filter cover at the top. the vacume hose is can be seen there it goes to the firewall then straight to the underside of the battery behind the headlight. Check the entire cable. The underside of mine melted near the engine due to heat. I cut outside the melted area then bought high pressure gas line and placed both ends of the original vacuume line into the gas line (1.00 an Oreillys). Cruise and Vents worked instantly and the gas line won't melt like that cheap shit ">. Let me know if you need any help.
#73 of 75 Jeep Grand Cherokee Cruise Control Problems
Dec 05, 2012 (8:09 am)
I have a 2002 Jeep Grand Cherokee and have read thru all the threads and wanted to say thank you to all that posted. The Jeep Cruise Control in my case would cut out shortly after engaging and only would restart after shutting car off but still only worked for a few minutes and cut off. After reading all there was on this site I had all vacuum lines replaced...still had the problem. I than replaced the Brake light switch, a fix of $13.99 from AutoZone and low and behold cruise is working just fine. I realize if I had taken the Jeep to Dealer this would have been much more costly. This is not a hard repair to make I have a friend that installed the switch and took him all of maybe 10 minutes after reading instructions that came with the part. So here's an idea if you are having the same problems....thank you to all that posted!!!
#74 of 75 Re: 2002 JEEP GRAND CHEROKEE -- CRUISE CONTROL INTERMITTEN (re my Aug 12 msg) [katz7]
Dec 05, 2012 (8:12 am)
Thanks for your post it really helped, I replaced the brake light switch and now cruise is working, fix of $13.99 from AutoZone!!!
#75 of 75 Re: Thanks All [ncercos]
Mar 11, 2013 (11:12 am)
My 1999 GC is doing the same thing where is the vacuum hose located that was off??