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  1. #1
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    A6 Avant Quattro 2.5 TDI 180 (What to look out for)

    I posted a few months ago about going to look at a 2.4 Quattro Avant and the general opinion was that the TDI models were a better option.

    Well me and the OH have found ourselves looking at Petrol B6 A4 Avants but I can't help but stick my nose in here as one of the garages we are going to has a nice looking 04 A6 2.5 TDI Avant Quattro Sport in.

    I've done a bit of googling and have come up with a few horror stories about the 2.5 V6 TDI engine. Can anyone shed any more light on these and what else to look for when viewing A6 Avants?

    I am looking for a buyers guide/things to look out for list, from googling around I have found the following trouble points (along with general stuff you look at when buying a used motor)

    1. Look out for clutch slip in high gears
    2. Driveline judder when pulling away can indicate Quattro/DMF issues

    Things that really worry me are that I find a large number of the following:-

    1. Clutch/DMF failures (may be more FWD than Quattro) £600-£1k job.
    2. Fuel Injection Pump failures £1k+
    3. Camshaft failures £2-4k???

    Can anyone comment if these issues are lessened on the later C5's or are they equally as common?
    Can anyone tell me specific points on these cars to look into?

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  3. #2
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    03 on don't have cam issues anymore, fuel pumps can be repaired for about £700 by dieselbob and some others, clutch can be expensive, parts are about 500 quid then most places will charge £200-250 for the job. Clutches are not common failures- only if the car has been towing extensively...or driver's abuse !
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

  4. #3
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    Thank you. Anything else worth knowing? General lookout points on these cars?

  5. #4
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    Its going to be around 14 years old so unless you get lots of history...
    Cambelt, tensioners, water pump and thermostat (around £300 parts) highly recommended....
    Suspension Control arms, bushes etc (pattern around £400 in parts) (knock at low speed for the uppers and lots of play on a jack for the lowers)
    In fact any wear parts as with any 10+ year old motor....
    Make sure you get a good VCDS Vag Com scan before you hand over any money......

  6. #5
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    The one I have my eyes on is a mid 04 model so approx 10yrs old with 120k on the clock.

    I agree that suspension components should be considered consumables. According to the history it's had the requisite cam belt service but I will have to check when and what was done with it.

  7. #6
    myth's Avatar
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    As far as I know, the camshafts were a problem on engine code that start with A : AFB, AKN and AKE. On the newer models the engine code starts with B.

  8. #7
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    Thanks for the advice guys. Had a look at it today and it was a gorgeous thing in impeccable condition, however it was just too big for us.

    If anyone is looking for one I'd advise taking a look at it:-

    2004 AUDI A6 2.5 TDI 180 Quattro Sport | eBay

  9. #8
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    Quote Originally Posted by minimadmotorman View Post
    Thanks for the advice guys. Had a look at it today and it was a gorgeous thing in impeccable condition, however it was just too big for us.

    If anyone is looking for one I'd advise taking a look at it:-

    2004 AUDI A6 2.5 TDI 180 Quattro Sport | eBay
    Looks a lovely car in great condition, but mighty expensive!! I'd never pay that much for a C5!!

  10. #9
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    Big bucks is that !
    Wouldnt mind the whels though !lol
    genuine parts =genuine service
    Treat it right it'll keep you on the road .

  11. #10
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    Quote Originally Posted by myth View Post
    As far as I know, the camshafts were a problem on engine code that start with A : AFB, AKN and AKE. On the newer models the engine code starts with B.
    Exception to the rule makes it the BFC engine, old design heads with rocker arms but fitted onto new style stronger block !
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

  12. #11
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    Quote Originally Posted by gtiboy View Post
    Big bucks is that !
    Wouldnt mind the whels though !lol
    Got a set of them wheels on one i am breaking...£200
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

  13. #12
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    Feeling my project car could be of real value!

    Chris don't suppose you have the wheel spats/trim on the engine undercover for the one your breaking do you?
    Looking for the large right hand and small left hand trims.
    Take the gearbox cover (auto) as well if you have one ....

  14. #13
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    Quote Originally Posted by TYphoon GB View Post
    Chris don't suppose you have the wheel spats/trim on the engine undercover for the one your breaking do you?
    Looking for the large right hand and small left hand trims.
    Take the gearbox cover (auto) as well if you have one ....
    Can you be a bit more specific ? Pictures will help...
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

  15. #14
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    PM Sent

 

 

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