Due for change of haldex oil. Can't find a definitive answer anywhere. Do you need to reset/re-adapt the haldex pump after oil change?

Hi all, I am 28 from South England and have been playing around with cars since I left college. I recently picked up a Audi TT Mk2 2007 Roadster for £300 from one of my customers at work who was going to scrap it, so I offered to buy it and decided to document what I do here. I will try to keep...

Newbie question, can someone tell me what this pipe is?

Hi, I'm gonna try my first fault code / engine issue job right now. The engine light turned on, likely when starting the car on the way home. Here are the fault codes showing up. - P1098: Potentiometer for in take manifold Open Circut/short circut to B+ Intermittent - P3193: Intake manifold...

Having an issue with my aircon. It was fine a few days ago until it stopped cooling. I’ve been doing research and looking at the wire diagrams Things I haven’t done yet: I’m leaning towards the clutch being burnt but would like other ideas in case I missed anything