Question about 2001 Nissan Quest

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2001 nissan quest,air conditioning

A.c. blows hot air,compressor and radiator fan kick on and off repeatedly while controls are set to max. a.c. did have blown 20a fuse that was for radiator fan (Lo). Radiator fan before fuse replacement would only kick on periodically now with new fuse kicks on every time compressor does, which like stated before is repeatedly @ 1 to 2 second intervals with control set to max a.c. Also when first noticed this problem about 2 weeks ago i thoght it might need some R-12 even though i have had the vehicle about a year now. after checking i did in fact need a shot of R-12 which after being administered made the compressor kick on. This did not fix my problem so i started looking at the fuses. A
ny input would be greatly appreciated.

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I hope you are adding R134a & not R-12. I think you are just confusing them.
our problem is a leak in your a/c system somewhere. Your a/c should cycle about 4 times/minute. When you add refrigerant, you are refilling the system and making it work again. The system only holds about 3 cans of refrigerant. If you are doing yourself, get a fill hose with a gauge on it so you can see if it's "ok" low or high pressure.
The leak will probably require pro ehlp.

Posted on Jan 10, 2009

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