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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05 Silver Renegade
265/75/16 MTR's on Rubicons
F/R OME HD Kit, 3 clevis up front, 1 extra upper iso rear + JBA UCA's,
Hitch + Recovery Shackle
Boilers Gas Tank Skid
Clarion NZ409 In-dash Sat-Navigation

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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-OME HD/MD, Clevis (3x), 1/4" spacer, 2 extra rear iso's, JBA 5.5 A-arms
-90 Nissan 240 w/LS1 swap
USAF SFS CATM Instructor

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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LOST KJ'S
Where are you going???
Current Jeep: 2004 Jeep Liberty
-Atlantic Blue
-Air Ride Rear Suspension ; OME/Rustys Lift ; Powertrax Locker ; Moog Lower Ball-Joints ; 245/70/16 Yokohama Geolander A/T-S's on MOABS ; Flowmaster 50 SUV
Lost #007082
http://www.cardomain.com/id/jeepjeepster

If you got a CRD, come over to the CRD section.

Sent from my Nexus 7 using Tapatalk HD

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2006 Sport, GDE FT Eco Tune, Custom Trans Tune
2015 Ram 1500 Big Horn EcoDiesel, GDE Hot Tune