V70: General - Bloody air con

dingov70 · Oct 18th, 2019, 19:39

Here's a quandry , My V70 has air con ( WOO HOO ! ) works bloody well ( more woo hoo ) , but since the cooler weather has appeared I now require a touch of heat first thing in the morning . As the engine warms the heat wafts into the cabin , but on a long run the heats vanishes & the temperature continues to fall . the only cure is to turn off air con & allow it to do what i can to heat up .

So I would love a fellow clever dick to enlighten me as to where the fault lies . I did have the system purged & refilled in the hot weather , no leaks , correct oil / gas / vacuum held & no pressure leaks .

Plugging in my whizzo Strap-on device shows no codes , asked a nice air con guy , his response " buggered if I know "

Ooh , meant to say never loses any water / overheats / makes any strange noises

The floor is now your people , bring it on !

Model flyer · Oct 19th, 2019, 12:15

Have you tried turning up the cabin temp setting ?

dingov70 · Oct 19th, 2019, 13:57

Yup ! , no mater what the temp setting is , after while the interior temperature descends & only by turning off air con does any heat return

savabill · Oct 19th, 2019, 17:06

Sounds like a faulty thermostat.

XC70Virgin · Oct 19th, 2019, 20:49

Check the sensor on the back of the dash part where the little vent is. Vacuum it out as I think they can clog up with dust and will not show a fault, just crap control on htg and cooling.

dingov70 · Oct 20th, 2019, 05:59

Excellent , once the sun is up & I am suitably recovered from my encounter with poitin that will be my first task of the day

Cheers people

Oct 18th, 2019, 19:39	#1
dingov70 Master Member Last Online: Yesterday 06:42 Join Date: Jan 2015 Location: Blackpool	Bloody air con Here's a quandry , My V70 has air con ( WOO HOO ! ) works bloody well ( more woo hoo ) , but since the cooler weather has appeared I now require a touch of heat first thing in the morning . As the engine warms the heat wafts into the cabin , but on a long run the heats vanishes & the temperature continues to fall . the only cure is to turn off air con & allow it to do what i can to heat up . So I would love a fellow clever dick to enlighten me as to where the fault lies . I did have the system purged & refilled in the hot weather , no leaks , correct oil / gas / vacuum held & no pressure leaks . Plugging in my whizzo Strap-on device shows no codes , asked a nice air con guy , his response " buggered if I know " Ooh , meant to say never loses any water / overheats / makes any strange noises The floor is now your people , bring it on ! __________________ To stupidity & beyond

Oct 19th, 2019, 12:15	#2
Model flyer Master Member Last Online: Dec 15th, 2023 18:46 Join Date: Jan 2006 Location: Kent,pothole capital of UK.	Have you tried turning up the cabin temp setting ? __________________ The secret of flight is to aim at the ground and miss ! Previous Volvos 740 GLE . V40 CD ,V70 2.4 SE LPT.V70 D5 P2. V70 D5 Se Lux P3. Current Jaguar XF Sportbrake but still like Volvos

Oct 19th, 2019, 13:57	#3
dingov70 Master Member Last Online: Yesterday 06:42 Join Date: Jan 2015 Location: Blackpool	Yup ! , no mater what the temp setting is , after while the interior temperature descends & only by turning off air con does any heat return __________________ To stupidity & beyond

Oct 19th, 2019, 17:06	#4
savabill Master Member Last Online: Yesterday 20:09 Join Date: Aug 2013 Location: doncaster	Sounds like a faulty thermostat. __________________ Only My Opinion: Good luck. Bill NOW 59 REG 2.5T V70 Ice White SOLD 55 REG T5 V70 Ruby Red

Oct 20th, 2019, 05:59	#6
dingov70 Master Member Last Online: Yesterday 06:42 Join Date: Jan 2015 Location: Blackpool	Excellent , once the sun is up & I am suitably recovered from my encounter with poitin that will be my first task of the day Cheers people __________________ To stupidity & beyond

Oct 19th, 2019, 20:49	#5
XC70Virgin Member Last Online: Apr 18th, 2024 22:32 Join Date: Apr 2018 Location: Newry	Check the sensor on the back of the dash part where the little vent is. Vacuum it out as I think they can clog up with dust and will not show a fault, just crap control on htg and cooling.

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