The AC won't turn on -(((((( How to fix it? Where to look?

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Paul_JJ

Member +
I press the AC button it starts for a few seconds, the RPM goes up how it should, then it turns itself off and even though the button is staying pushed in the green light is flashing - so it looks to me like something is wrong somewhere.

I rarely use it, but it never failed me in the past any ideas???

No ecu error codes or any other problems as far as I know.


Thank you!
 
Guye

Guye

Lifer
When that happened to me it turned out to be some moisture in the connector for the A/C compressor harness. That was the only time I got the flashing green light on the a/c button. Did you drive through any water recently?
 
dac69er

dac69er

Super Moderator
Sounds like the issue could be that you barely use it. Probably needs a recharge. I would double check all connectors first to be sure though
 
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Paul_JJ

Member +
Guye said:
When that happened to me it turned out to be some moisture in the connector for the A/C compressor harness. That was the only time I got the flashing green light on the a/c button. Did you drive through any water recently?
Click to expand...

Have you got a picture of that harness by any chance? or where is it located?

No, I didn't drive through water recently!
 
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Paul_JJ

Member +
dac69er said:
Sounds like the issue could be that you barely use it. Probably needs a recharge. I would double check all connectors first to be sure though
Click to expand...

Well I turn it on every month or so, yes I use it rarely due to the UK climate -))) But I always turn it on for a minute or so to lubricate the bearing, as I was told it helps to prolong the life of the AC. It was recharged last year by the way and it did show pretty good results +6C Air was blowing, an engineer said to me that it is Really good result.
 
dac69er

dac69er

Super Moderator
On the aircon compressor as far as i can remember. If not follow the wires, its not far from the wiring connector
 
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Paul_JJ

Member +
dac69er said:
On the aircon compressor as far as i can remember. If not follow the wires, its not far from the wiring connector
Click to expand...

Erm, never paid attention to the AC wiring. Do I have to get under the car to see it? Is it somewhere close to the oil filter?
 
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Paul_JJ

Member +
I wonder it could have something to do with the oil I spilled while changing the oil filter...

Thank you for your reply guys! I will check it out!
 
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Paul_JJ

Member +
Thanks to everyone!

Sorted now. Turned out to be an earth cable under the oil filter - it was damaged - probably I've done it accidentally when changing the oil filter...
 
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