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  #1  
Old 05-31-2002, 08:53 AM
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Question shivering when AC is On

Hi all, I would like to know if its possible to adjust my idling so that my car does not shake when i put on AC?

I discovered that my car idles at 5 on the rev counter.but when i put on the ac ,it drops further. when i press my gas pedal slightly the car stops shivering when the rev counter gets to 10. So my questiion really is how can i adjust my idling rate to idle the car at 10 permanently so my car stops shivering violently?

I wld like to do this myself so i can note where i started from and put things back to the way they were before i started . I wont like any other person to do this for me. Also because I used to do this on my Golf MKII (carburettor engine though).

Thanks all
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  #2  
Old 05-31-2002, 10:42 AM
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The car should idle at around 750 rpm +- 50
May wanna makes some adjustments
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190E's:
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2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg
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  #3  
Old 05-31-2002, 12:31 PM
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I believe there is an A/C idle sensor that adjusts the engine rpms according to the compressor cycle. It may warrant replacement...
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  #4  
Old 05-31-2002, 12:52 PM
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Yes But????????

yeah guys I know that there might be something to adjust especially the idle regulator /sensor ,pentoman and G-benz, but i dont know where the idle regulator is located neither do i know what it looks like in a Benz?

So if u cld help with a better description I would appreciate it.
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  #5  
Old 05-31-2002, 01:10 PM
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I *think* there is something you turn with an allen key in a whole down the middle of the air filter BUT I MAY BE THINKING OF SOMETHING COMPLETELY DIFFERENT so don't go on my advice! Can someone confirm this or correct me?
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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg
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  #6  
Old 06-06-2002, 07:25 AM
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Resolved Thanks Guys

I must say you guys have done it again , thanks for all the input.
Pento man even though you were not sure , thats exactly what solved my problem: i removed the air filter and i saw a hole with an allen key head. So i have a feeling that this controls the air/fuel mixture .so i turned this like 4 turns and i immediately saw that my engine stopped vibrating , then i put on the air conditioner and discovered it shivered some more.

turned the allen key tiwce more and it stopped vibrating , infact it the engine became very silent , very quiet. Also i discovered my car was now idling at 10 on the rev counter( well that may translate into more fuel consumption, but am ok with it) at least my car does not behave as if its going to die anymore .

So once again thanks guys u are the best.
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  #7  
Old 06-06-2002, 08:19 AM
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heh.. glad to help!
If you get tired of the high idle, any tech should be able to tune it up quickly and cheaply by making the necessary adjustments, giving you the right idle, economy, performance and emissions.
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190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg
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