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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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AC Compressor Not Starting (V50 24i)Views : 666 Replies : 3Users Viewing This Thread : |
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Jul 19th, 2022, 15:29 | #1 |
Clueless
Last Online: Yesterday 21:18
Join Date: Apr 2013
Location: Wrotham
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AC Compressor Not Starting (V50 24i)
Good (very hot) day to you all,
The AC compressor in my V50 isn't starting, I am used to hearing the click on/off as the compressor starts but it seems to be doing absolutely nothing. It was topped up in the summer before the first lockdown at the same time I took it in to have the shims on the compressor clutch adjusted and the engineer said that the condenser wasn't in great condition and might slowly lose refrigerant (he did some sort of test with some sort of green substance). This year when I started to use the car again this year there is no clicking of the compressor and certainly no cool air. I have read in another forum that if there is low pressure in the system this could be the cause as the compressor won't start if there isn't. I will get a friend who is an AC engineer to pressure test it. The fuse for AC is okay. No idea how to rest relay for same system. Happy to do the removal and fitting of new parts if needed. Any ideas, information or suggestion that might help?
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Current Volvo's: S40 1.8 (55) & V50 2.4i (04) Past Volvo: S40 1.8 ('97/R) & 240 GLE ('76/R) Last edited by eric19371; Jul 19th, 2022 at 15:31. |
Jul 19th, 2022, 16:10 | #2 |
Extrahumanestrial
Last Online: Feb 13th, 2023 19:02
Join Date: Jun 2022
Location: Budapest
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I had it go in a Cavalier and that was a hose some plank positioned across the exhaust manifold protected by a flimsy heat shielding made of bacofoil,
My Insignia it died in as well after about 8 years of age, I suspected the clutch as it wouldn't spin at all, I didn't chase it as it was beyond economic reasoning for me, If you want to test the clutch it's on the pump at the bottom of the aux belt circuit, simply with the engine off try to turn the central part of the pulley, the part of the pulley the belt is on won't move it's the metal inner face you need to spin, Another thing that stops it is the intercooler aka radiator, if this blocks up inside it trips the safety shutdown, however sometimes it's as simple as too many dead bugs blocking the fins and gentle cleaning can get it working again, the bugs stop it cooling properly and then the safety kicks in. Last edited by SnineT; Jul 19th, 2022 at 16:15. |
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Jul 28th, 2022, 13:23 | #3 |
Volvo S40
Last Online: Today 08:39
Join Date: Mar 2015
Location: Chichester
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by the compressor not starting, do you mean the ac clutch isnt engaging correctly?
These are common issues on this platform if it is, will either need some shims in to fill the gap or a new compressor.
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----------------------------------------- Current: 2009 Volvo S40 T5 Progress Thread: https://www.volvoforums.org.uk/showthread.php?t=271945 Previous Volvo: 2008 S40 SE Lux R Design 2.0D |
Aug 5th, 2022, 10:18 | #4 | |
Clueless
Last Online: Yesterday 21:18
Join Date: Apr 2013
Location: Wrotham
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Quote:
I was able to get the system tested a couple of days ago. It has zero pressure and it looks like the condenser has a major leak so I will get that replaced as soon as time allows.
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Current Volvo's: S40 1.8 (55) & V50 2.4i (04) Past Volvo: S40 1.8 ('97/R) & 240 GLE ('76/R) |
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