All information provided is for information only and is not designed to replace a service manual or professional help. Use at your own risk. 1. Diverter valve failure 2. PCV failure 3. Broken intake ducting 4. Cam lobe wear 5. High pressure fuel pump failure 6. Air conditioning does not work 7. Tumble flap failure 8. Cold start problems 9 VW Golf Aircon Faults. VW Golf Aircon Faults, one of the most inconvenient vehicle problems is when the A/C won’t blow cold air. If your VW Golf isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening.. Lack of Refrigerant – Your VW Golf air conditioner will not work if the refrigerant has Air con not working properly . Welcome, Guest. Please login or register. Did you miss your activation email? January 04, 2024, 01:31:01 pm MK5 Golf GTI » Forum » Daft one this. But I noticed today a strange noise. If I have the engine running and fans to low with the air con off its fine. If I then turn on the air con I can hear what I would describe as a dry bearing noise from in the dash. I know you can hear the air con work as the engine tone changes and I hear the pump start to work. Re: Climate Control not working. « Reply #2 on: February 25, 2012, 01:18:40 pm ». Easiest way to check is to start the engine and pop the air con on, have a look under the bonnet to see if the cooling fan is running or not. It should run at half speed with the AC on. My compressor failed, main dealer charge came to about £1500 for parts and Remove the torx screws inside and underneath the glove box. T. Remove the cover above the gear lever/ just pry down and pull forward. There is a hidden torx screw inder this cover. Remove the bottom a pillar trim on passenger side / wiggle out. Remove the dashboard end cover on passenger side. MK5 Golf GTI » Forum » Author Topic: Air Con not working and was Quoted £1100 to fix (Read 342 times) Sati2010uk. Just Arrived; Thank You-Given: 0 Re: Aircon not blowing cold air. « Reply #5 on: May 04, 2017, 08:24:57 am ». Scan it with VCDS. Several people have a broken sensor at the front which you replace with a crows foot spanner, nothing to it really and costs maybe £10 or so. VCDS will show if this has failed, it's called a N60 or N70 or G65 or something along those lines. My aircon had a minor leak and the refrigerant lasted about 8 weeks. This year i thought i'd get the super seal air con sealant while i get the gas topped up. The technician started the car, switched on the aircon. recharged some gas to kick in the aircon and then attached the super seal to low port. He then noticed that the sealant was not Work Shop Code: WSC 06482 444 59156 VCID: 2B5541AA8A4CA579EBD-807E 9 Faults Found: 008825 - Leak in Air Intake System P2279 - 002 - - MIL ON Freeze Frame: Fault Status: 11100010 Fault Priority: 0 Fault Frequency: 1 Reset counter: 255 Mileage: 115143 km Time Indication: 0 Date: 2000.00.00 Time: 20:01:32 Freeze Frame: RPM: 732 /min Load: 18.8 % LK9jO.