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Author Topic: Air Con not Kicking in  (Read 1622 times)

Offline ljc19630

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Air Con not Kicking in
« on: July 03, 2019, 05:54:59 pm »
Evening all,
Last Saturday when we had the mega hot day, i started the car and put the A/C on Low and full blast. Left the car for 5-10 mins as it was baking, but when I returned the AC was blowing Hot. Drove the car for 5 mins, turning the blower on and off, but it didn't alter anything (By now I am melting!!! :phew: :phew:) Turned the blower off again, left for a minute and then turned back on - Hey Presto the A/C kicked in and I was saved from heat stroke :jumpmove:

Anyone have any idea what this issue could be as i'd of thougtt that the A/C should kick in within a minute or less once its switched on and irrespective if the car is stationary or being driven?

Cheers
Louie
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Offline ljc19630

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Re: Air Con not Kicking in
« Reply #1 on: July 04, 2019, 09:59:22 am »
Anyone??? :thinking:
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Offline Dan_FR

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Re: Air Con not Kicking in
« Reply #2 on: July 04, 2019, 11:12:46 am »
Need VCDS on it to see what the car is seeing/registering when the A/C is not kicking in as it should - not to mention any fault codes etc.

Could be low pressure, could be the pump (common) - could be a number of things
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TFSI... Revo Stage 2+... . WMI.... VCDS HEX + CAN, MPPS, VAG Commander & VAG tacho - South Wales

Offline ljc19630

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Re: Air Con not Kicking in
« Reply #3 on: July 04, 2019, 01:07:54 pm »
No fault codes and used VCDS to check
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Offline Dan_FR

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Re: Air Con not Kicking in
« Reply #4 on: July 05, 2019, 04:30:44 pm »
VCDS to check what? Checked the pressure reading? Checked the car is registering the air con request? checked the car is requesting the pump engage? Its probably the pump
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TFSI... Revo Stage 2+... . WMI.... VCDS HEX + CAN, MPPS, VAG Commander & VAG tacho - South Wales

Offline ljc19630

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Re: Air Con not Kicking in
« Reply #5 on: July 06, 2019, 08:53:57 am »
Thanks Dan
I just did an OBD scab. Can you advise what I need to test in VCDS as assume it’s in the HVAC section?? I’m not over familiar with VCDS


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Offline muff1991

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Re: Air Con not Kicking in
« Reply #6 on: July 10, 2019, 03:36:26 pm »
Yes, you need to scan the HVAC  :happy2:
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Offline Horatio

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Re: Air Con not Kicking in
« Reply #7 on: July 10, 2019, 03:45:54 pm »
Try calibration/reset 👍
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