4 Wheel Drive/SUVs/Air Conditioning

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Expert: - 5/11/2004


Question
Jeep Gr Cherokee 1996 Laredo. Air Conditioned air coming out of vents goes off momentarily then comes back on. Other times it does not blow air when the motor starts, but will come on momentarily and cool fine. The air is cold and everything seems to work fine except the coming on and going off.I haven't tried the heater to see if it has the same problem. Thanks. Rusty

Answer
Rusty,

This can be caused by several things.  It sounds like you may have a loose wire connection, bad relay, or a loose vacuum line.  I would contact a reputable shop that specializes in air conditioning, and have them trace out the problem.  You can, also purchase a repair manual for your Jeep (around $20), and try to trace out the problem yourself.  These manuals are great for trouble shooting problems, and can be purchased at most auto parts stores.

  Carl

4 Wheel Drive/SUVs

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Carl Brandt

Expertise

Will discuss suspensions, lifts, lockers along with tire suggestions. Trail ratings and possible requirements needed for specific type of trails. Safety equipment and what you should carry with you. Certified off-road instructor. I am not a mechanic, and 4-Wheeling is a hobby, so if I can't answer a technical question it is due to my mechanical knowledge being related to vehicles that I have owned, or have worked on. I do not have manuals on all vehicles.

Experience

40 plus years of 4 wheeling in a variety of vehicles. At the present time, my major off-road rig is a 94 Jeep Wrangler with a spring over and a 1 1/2" suspension lift. This gives me a total lift of 7" or so. I have lockers front and rear. I have removed the track bars, and sway bar for maximum articulation. I am running a stock 2.5 ltr 4 cylinder with a Jacobs ignition along with a cold air high flow filter. It has 4.56:1 gears with a Dodge NV4500 transmission along with a 3.8:1 Atlas II transfer case. This gives me a final ratio of 105:1 in low gear/low range. Other vehicles I own, are a 96 Ford F-250 with a 6" lift, posi rear end, 36" Hummer tires, 5 speed with a fuel injected 460 ci engine, an 87 Samurai with an 8" lift, Ford 9" rear end with a spool, Chevy Dana 44 front end with an electric locker, 5.88 gears, 16% reduction in high range and a 6.5:1 low range with 35" Baja Claws, and a stock 2003 Grand Cherokee Overland. Trails I have run are the Rubicon (10 times), Dusey Ershim, Fordyce Creek trail, McGrew trail, several trails in Moab, Utah along with local monthly runs.

Organizations
Lost Coast 4x4's Cal 4-Wheel Corva UFWDA Blue Ribbon Coalition

Education/Credentials
Certified off-road instructor - Certificates in engineering/electronics

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