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utfootball4
User
Jul 27, 2011, 8:47 AM
Post #1 of 13
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We test drove a used 2006 325i bmw that had 80k and while driving the car it would jerk when at idle - only when the AC was on. This is what the dealership had to say:
Its the air compressor turning on and off. When the set temp is reached, it deactivates the ac compressor, and when temp drops-turns ac compressor back on. This causes a load on the engine since the compressor is driven by the belts of the main crankshaft. So when ac compressor turns on, it puts a load on the engine and that is what your feeling.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jul 27, 2011, 9:47 AM
Post #2 of 13
(2356 views)
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Re: AC Compressor
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To heck with that dealer. Car is made to cover the load and maintain idle. Vehicle is either way overcharged to cover a problem or if not now probably has a seizing compressor,
T
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utfootball4
User
Jul 27, 2011, 10:38 AM
Post #4 of 13
(2343 views)
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Re: AC Compressor
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BTW, tech didn't find any issues with it and car did not throw any warning codes yesterday.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jul 27, 2011, 10:41 AM
Post #5 of 13
(2341 views)
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Re: AC Compressor
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It may be a leaker and dealer may have overcharged it just to let it leak down and work and you can't get away with that as compressor could be choking on liquid when it should be vapor.
Can't say much for sure on this and no telling who has done what? Big bucks to fix A/C so if not purchased yet pass on that car. Could be that engine can't compensate for the load and be another huge buck problem??
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 27, 2011, 11:08 AM
Post #7 of 13
(2330 views)
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Re: AC Compressor
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You really don't need to keep 2 threads going on the same subject.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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utfootball4
User
Jul 27, 2011, 5:40 PM
Post #8 of 13
(2312 views)
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Re: AC Compressor
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nothing to do with AC - its the ignition coil..
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jul 28, 2011, 5:56 PM
Post #9 of 13
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Re: AC Compressor
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A/C and ignition coil - WRONG!!!!
Tom
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utfootball4
User
Jul 28, 2011, 6:24 PM
Post #10 of 13
(2289 views)
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Re: AC Compressor
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whar r u talking about?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jul 29, 2011, 6:54 AM
Post #11 of 13
(2275 views)
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Re: AC Compressor
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Your reply says it all - you don't know Jack and should have anything that moves fixed by a pro! Nuff said,
T
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utfootball4
User
Jul 29, 2011, 7:03 AM
Post #12 of 13
(2269 views)
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Re: AC Compressor
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Content removed by me! Up yours!
Tom
(This post was edited by Tom Greenleaf on Jul 29, 2011, 11:44 AM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jul 29, 2011, 11:42 AM
Post #13 of 13
(2263 views)
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Re: AC Compressor
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Can you spell banned? You are now. I started this site and you can go to hell!
Tom
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