bluethunder2008 Posted June 9, 2005 Share Posted June 9, 2005 Hi , I'm facing problem with my AC, when I turn on the AC the engine inceased the rais and down, it happen when you turn on the AC , the rais goes up. and down when the cooling enough. but going up / down so fast , like onnn, aaa , onnn, aaaa :) I took the car to the Air Conditioner thecnician, and he said the coolant fuel is full. I had Cresseda in the past , and had the same issue , and it was only the coolant. has anyone faced or have sugestion to solve this issue. ? Quote Link to comment Share on other sites More sharing options...
flanker271 Posted June 10, 2005 Share Posted June 10, 2005 I'm not quite sure that I understand your post. Do you mean your engine RPM fluctuates up and down constantly? the rais goes up. and down when the cooling enough Do you mean when the engine is cool enough or when the interior is cool enough? onnn, aaa , onnn, aaaa Is this the compressor noise or engine fluctuating noise? I took the car to the Air Conditioner thecnician, and he said the coolant fuel is full Engine coolant shouldn't have a factor in engine RPM...it could be many things, from faulty compressor clutch, to dirty throttle body, to vacuum leak. What is your engine temperature by the way? Quote Link to comment Share on other sites More sharing options...
bluethunder2008 Posted June 10, 2005 Author Share Posted June 10, 2005 yes that is the RPM up and down. I mean the air that comes from the AC, when it become cool , this sound gone, this issue happen only when turn on the AC, once , then after I increase the RPM, 30 seconeds, it is gone. otherwise I have to start moving to make it gone. and if I stop at any traffic light before 1-2 minutes, it will be the same the RPM will be up and down. onnn, aaa , onnn, aaaa I feel it only the increase in RPM , up and down. it happen when the engine is cool or warm, the same. Quote Link to comment Share on other sites More sharing options...
flanker271 Posted June 10, 2005 Share Posted June 10, 2005 If this only happens after you turn a/c on, you might have a vacuum leak. Quote Link to comment Share on other sites More sharing options...
bluethunder2008 Posted June 10, 2005 Author Share Posted June 10, 2005 If this only happens after you turn a/c on, you might have a vacuum leak. ← Can you explain the vacumm leak in more detail so I can tell the dealer about it ? Quote Link to comment Share on other sites More sharing options...
chubyball Posted July 13, 2005 Share Posted July 13, 2005 What did you do to the car before this problem occured? Did you just recharge the AC? If you did, then this symtom is happening when AC is ON, otherwise, the car would run at normal iddle when AC is not in used. Quote Link to comment Share on other sites More sharing options...
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