Turns out after all it was my Crank Shaft Pulley. Apparently there is a rubber seal or vibration dampener in there somewhere? It had worn down and the pulley had slid out a bit.
It all came to a head when the power steering suddely stopped working and battery not charging indicator came on. Another 100m and the car started overheating so i stopped right away and got it towed to a garage.
Got the belt and pulley changed however the garage said the tensioner bolts looked like they might strip the thread if they tried to change and was warned it may be a big job to get them out if the thread does strip. They phoned me and let me make the call so i relectently decided to leave the tensioner as is as i didnt want to add any more onto the repair bill.
I hope i havent made a bad call, repair bill was already £1400 for pulley and belt plus rear discs & pads and one rear caliper.
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2007 A8 3.0Tdi Quattro Sport
Quartz Grey Metallic LY7G
20" Alloys
Black leather sport interior
Latest 5570 2g high MMI
Front rear park sensors
Reversing camera
HID Bi Xenon with AFSII
Exterior light package
Bluetooth
Bose
DAB
Last edited by rory_pamphilon; 4th August 2022 at 02:46 PM.
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