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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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quick ideas for faulty airconViews : 1394 Replies : 25Users Viewing This Thread : |
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Jun 15th, 2018, 13:45 | #1 |
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quick ideas for faulty aircon
V70 D5 163, 2005
Climate control no longer blowing cold. Was OK yesterday. Spoiler.... Changed Alternator last night. Any clues as to what stupid mistake I may have made? A/C compressor clutch is clicking in OK and staying in. |
Jun 15th, 2018, 14:01 | #2 |
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It's an unusual set of symptoms you have so I'd be putting Volvo diagnostics on the job to interrogate the CCM.
There will be a data anomaly somewhere or the CCM may just need a recalibration.
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2002 S60 SE D5 Manual 209000 miles |
Jun 15th, 2018, 14:37 | #3 |
Aka MadBabs
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Are you sure it was alternator you took out?
Having 2 alternators fitted wont provide much cold. OK.OK.OK.. Where's my coat..
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`03 V70 Mk2 Auto 2.4 B5244 NA, 170Bhp, 295K miles (Now parts donor) '05 XC70 MK2 Geartronic, 2.5 B5254T2, 210bhp, 129k miles |
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Jun 15th, 2018, 15:57 | #4 |
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Is the belt routing correct? The fact the compressor is engaging suggests the control is OK and there is refrigerant in it... but if some crazy wrong belt routing caused it to rotate backwards then you'd get no cooling effect.
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2004 V70R 2008 XC90 D5. 2011 C30 2.0 Past: V70 D5, 855 T5, 940, V40 T4, S40 |
Jun 15th, 2018, 16:25 | #5 | |
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Quote:
I'll take another look tonight. |
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Jun 15th, 2018, 17:09 | #6 |
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I would go with the belt as well (google up on google images)
Otherwise I would guess it got a leak somehow ? (also check the small wire to the clutch, it's secured properly) Yours being a D5 when removing the belt spin the compressor pulley by hand, see if it's smooth or dry/makes noise, this guy can go bad and seize
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Jun 15th, 2018, 22:50 | #7 |
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Situation has moved on a bit. The clutch is now not engaging at all. Getting no signal to the compressor so bypassed it for a short time and the clutch pulls in no problem and holds there but still no hint of cool air at the vents.
So my current guess is that I've disturbed a pipe during the alternator change and pressure has dropped right off. Whatever it is starting to look like a trip to a local air con guy. |
Jun 15th, 2018, 22:53 | #8 |
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oh yes.... belt appears to be routed correctly
Thanks for the replies.... even the non serious one which cheered me up a little |
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Jun 16th, 2018, 00:28 | #9 | |
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Quote:
is the compressor clutch wire properly plugged ? Maybe it got stretched ?
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Jun 16th, 2018, 21:25 | #10 |
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Wire and plug are good but your right... if I was going to break anything in that area you would put your money there.
Off topic but with 300k miles and 13 years old the quality of the wiring and in particular the connectors really shines through compared to other makes. |
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