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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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Air con issuesViews : 1030 Replies : 19Users Viewing This Thread : |
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Jun 27th, 2020, 18:17 | #11 |
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V70Zig, did you measure the evaporator temperature during your tests ?
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Jun 27th, 2020, 23:39 | #12 |
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Hi, I think I stated before that my evaporator temp was above my in car temp, which would suggest to me that refrigerant was not circulating?? Hence I don't know if either the pump is faulty or I have some sort of blockage somewhere?
Thanks for the help. |
Jun 28th, 2020, 00:45 | #13 | |
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Quote:
You're well within your right to return your car for the "local chap" to have a look at it again. Although, being honest, bringing your car to be re-gassed & it coming out more or less the same as it was wouldn't inspire me with much confidence in returning to him. You need to bring your car to someone that knows what they're doing & is qualified to work on a/c systems - The "local chap" sounds as if he doesn't to me. If the job was done properly, you're air con would be cold, or at the very least, he would have identified the reason why it wasn't & advised you of any repairs that may be required before he could do a re-gas.
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2007 (P3) Volvo S80 SE 2.4D (163bhp) - 109,000 miles. Black exterior with cream leather interior. Last edited by Kev0607; Jun 28th, 2020 at 01:02. |
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Jun 28th, 2020, 01:42 | #14 |
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I appreciate your concerns. The regas was done by someone who knows what they are doing and was properly vac tested, etc before recharging at the specified amount. I am looking for advice on as to why my air con system is malfunctioning, when all appears to be fine diagnostically.
I have already questioned the pumps credentials and hope that someone who has possibly experienced similar issues could point me in the direction of a solution. Could the condenser or evaporator have a blockage?? |
Jun 28th, 2020, 12:34 | #15 | |
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Quote:
After starting evap temp begins to drop and pressure rises. Noted the lowest temp at 2.8 and the highest pressure was over 11000 hPa.
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2008 V70 SE D5 Auto 185 ...now 205 Volvo Polestar......188k Passed away - 1999 V70 2.5tdi Auto 340632 miles, RIP. |
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Jun 28th, 2020, 12:43 | #16 | |
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Can't help with blockages as never experienced one....faulty pressure sensor then I can, just had mine replaced. Worth monitoring the pressure over a few journeys.
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2008 V70 SE D5 Auto 185 ...now 205 Volvo Polestar......188k Passed away - 1999 V70 2.5tdi Auto 340632 miles, RIP. |
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Jun 28th, 2020, 13:01 | #17 |
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Pressure reads low 2000's and drops when compressor is activated. Pressure sensor has been changed as a precaution, and reads the same as previous. I thought maybe evaporator sensor could be faulty but it consistently reads above in car temp. I can only assume the pump is faulty and I may have some other issue(blockage)?? None of which shows up. Unfortunately looks like an expensive replacement looming.
Thanks for all the info. |
Jun 28th, 2020, 15:06 | #18 |
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I guess that if you are constantly getting the same readings.....and as you've already changed the sensor and get the same.....the problem does lie elsewhere. What does your man think ?
Have a look here - https://www.youtube.com/watch?v=1sZ3UfBMu-I Good luck, sorry I cannot be of more help.
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2008 V70 SE D5 Auto 185 ...now 205 Volvo Polestar......188k Passed away - 1999 V70 2.5tdi Auto 340632 miles, RIP. |
Jun 28th, 2020, 15:43 | #19 |
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Thanks again.
Good informative video, gives you an insight. Looks like I may need a compressor, although according to the cars history it has been replaced before, hence my quest to see if there could be a hidden problem. Will update when I get a compressor. Thanks. |
Jun 28th, 2020, 22:25 | #20 | |
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You could bring your car to him for a second opinion, before shelling out for new part(s)? I imagine he comes across things like this regularly being in the a/c business.
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2007 (P3) Volvo S80 SE 2.4D (163bhp) - 109,000 miles. Black exterior with cream leather interior. |
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