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| School me on my cooling system http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=74116 |
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| Author: | 05renny [ Mon Feb 11, 2013 4:17 pm ] |
| Post subject: | School me on my cooling system |
Cliffs: Went out on the trails yesterday for a couple hours, buddies xj got stuck, pulled him out. 10-15mins later Jeep overheats for the first time in the 3 years I've had it. Pop hood- fan is not running. Hard wire it to battery to make sure its working--- checks out ok. Check fuse, good. Take Jeep home, no overheating in the 1hour drive. End. So, today I wanted to check the relays and replace to check to see if the relay was the issue. Open relay box-- one relay for lo speed, one relay for hi-speed. I would take it the lo speed may be for a/c, and hispeed for when its hot? Today driving to napa and autozone w/out the fan hooked up the Jeep was at normal operating temperature. After doing some searching I have hear some talk that the CRD doesn't utilize the fan until a/c is on? Ive read a lot of conflicting info. Whats the deal! |
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| Author: | TurboGoKart [ Thu Feb 14, 2013 10:30 pm ] |
| Post subject: | Re: School me on my cooling system |
Air bubble? I guess we could bleed the system to make sure there aren't any others in there. Other than that I'd replace the relays. |
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| Author: | Jeepjeepster [ Sat Feb 16, 2013 10:31 pm ] |
| Post subject: | Re: School me on my cooling system |
So do you have a crd or 3.7? 3.7 uses low when needed and high when needed. Low is at least on with ac. Sounds like it could be the fan relay under the battery. |
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| Author: | ChooChooman74 [ Sat Feb 16, 2013 11:05 pm ] |
| Post subject: | Re: School me on my cooling system |
If you got a CRD, come over to the CRD section. Sent from my Nexus 7 using Tapatalk HD |
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