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  1. N

    Oil leak - camshaft seal

    I've got an oil leak on AFB 2.5 tdi A6 (175K miles). Audi changed timing belt at Christmas and advised the leak was from the upper sump gasket and quoted to fix that. I've now had the gaskets replaced - but by my local garage ( not audi) and the leak is still there. My local garage now...
  2. N

    2.5 tdi - smoking at low revs -no power loss...ideas ?

    Hi - my A6 has the 2.5 TDI 150BHP engine. It's done a lot of miles now (170K) and has started to smoke a little. It doesn't do it at start up but it's noticeable in evening traffic at sub 2k revs. Smoke is dark in colour. No loss of power - other than an occasional slight judder at around...
  3. N

    2.5tdi Fuel Line - slight leak

    Hi, I've got a slight leak in the fuel line just forward / below the tank and I need some help in identifying the part ( I can't see it on vagcat) as I can't get to Audi until the weekend but would like to order the part now if I can. I'll try and describe what I have - essentially this is...