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  #1  
Old 06-25-2006, 11:21 PM
beylerbeyi's Avatar
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Join Date: Oct 2005
Posts: 20
1995 E320 Strange A/C problem

I bought this car last year, since then I am having A/C problems.4-5 months ago I changed, compressor. expansion valve, Whole hose assembly, speed sensor (back of the compressor), Climate control unit. A/C worked fine few month now in vegas about 110 degree and my problem started again
When you run the car first time if in garage A/C works perfect if you don't trun off it will cool without any problem, but after turning off and restart it gives hot air. Sometimes 2-3 times turn on-off the car A/C will start back, but sometime even after 10-12 times turning on and off the car it still gives hot air. I am thinking again it might be climate control unit. It does only if temperature is very hot outside (in las vegas average 110-115 whole summer) so please hellllpppp
Thanks

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Old 06-26-2006, 12:22 PM
ILUVMILS's Avatar
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Join Date: Sep 2002
Posts: 3,066
I've seen faulty belt tensioners cause this problem. At the moment the engine fires the tensioner "bounces", causing the belt to slip momentarily. As we all know, a slipping belt will cause the compressor to shut off until the next key cycle. I'd take a close ook at the tensioner during cranking/start-up. Keep us posted.
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Old 06-26-2006, 01:05 PM
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Location: Kankakee,IL
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Yep I had that problem too when I owned mine and it was as stated above the tensioner. Then I had the problem again when the TBA was going bad and the idle would get too low and the a/c would shut down until the next key cycle.

Chris
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94 E320 with:
18" ///AMG Monoblock II's,AMG Gen II front bumper, H&R spings,500E sway bar, Bilstein sports, Eisemann Exhst, K&N,E500 Headlamps, Crystal Clear Corners, Avantgard Grill ...and more stuff to come! oh yeah 241k miles!!


My Car WOO HOO...... Now SOLD
New car.... 2001 Jaguar XJR!!!!
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Old 06-26-2006, 02:50 PM
beylerbeyi's Avatar
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I know that is been caused by speed sensor of the compressor. I am sorry if i forgot to mention compressor works, I am more leaning towards mono valve but I don't know what kind of relationship between heat and valve yet. Thanks for reply

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