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2007 Jeep Wrangler Rubicon 4WD 2dr

2007 Jeep Wrangler
Trim Info:
4-Wheel Drive, 2 Door, 4WD Sport Utility Vehicle
17 mpg city / 19 mpg hwy
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September 27, 2011, 5:26 pm

Melinda D
 

Question: my a/c stops blowing when I drive on the freeway/tollway?

This only happens when I keep my foot on the gas to maintain my high rate of speed on the freeways. One I release the gas, the air starts blowing again. I've replaced my a/c compressor along with other a/c components. Any idea what could be causing my air to stop blowing when I travel at a constant high speed?


October 3, 2011, 8:27 pm

Elizabeth K
Expert Mechanic

That can be caused by a vacuum leak in the engine--the vents are controlled by engine vacuum, so when it drops, it affects them. Here's a forum thread with other ideas:
http://www.jeepforum.com/forum/f9/c-blows-warm-air-above-45mph-1242924/


1/1 users found this helpful.

December 17, 2012, 7:26 pm

Melinda D
 

After a few trips to the jeep dealership, it was determined that vacuum drops on acceleration due to 17 inch rims & oversized tires and it being a 4 cylinder is the reason the A/C stops blowing through the vents. Funny thing it doesn't really stop blowing cool air, it just blows cool air to the vent between the dash & the windshield rather than directly to the individuals in the seats. So bigger motor will solve A/C problems?


0/0 users found this helpful.

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