Question about 2002 Audi A6

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Oil leak My 2002 audi A6 with the 2.7 quattro is leaking oil around the turbos and without tearing it down what is the most likely area that the oil is coming from. I can't find a complete gasket kit , only o rings.

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Posted on Jun 01, 2009

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1 Answer

A6 turbocharged. Whyu does it smoke when it covers a 120km per hour?


I am going to say 'blown turbo'. As I understand it, they needs replacing every few years. They are susceptible to heat and incredible revolutions. They have to be lubricated, the seals go, and you get smoke.

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Why does my 2002 audi a4 quattro blow white smoke from the exhaust and from oil cap?, i replaced the engine head and turbo not long ago and it started out of nowhere


Sounds like a cracked piston ring to me. If you didn't do a re-ring when the head and turbo work was done, you probably should have. Now it may be too late.

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Get it back to whomever did the job. Or maybe take it to someone who knows what they're doing. Turbo line is obviously leaking. If it's not cranking even with a jump you may have seized he engine. 2.7's are not cheap!

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Audi A6 3.0 tdi Quattro 2005, glow plug light comes on, limp mode


16619 -Engine boost condition - Limit not reached. Check intake hoses/ connections for leaks. Check Turbo charger waste gate regulating valve/ waste gate working correctly. Must move freely when accelerating, won't achieve full boost if waste gate sticking open. Check Turbo impeller turning freely, oil feed pipe for turbo can get blocked causing impeller to seize. Engine compact, not easy to access these components.

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1 Answer

I have a 2002 audi a6 quattro and has oil dissapearing, but no signs of it on the ground, this problem only happens in winter, summer the car is pefectly fine, please help


If your car has oil cooling lines, what happens is expanding in heat, no leak, contracting, getting smaller, in cold, seal do not seal properly, and then leaks occur.
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Feb 10, 2010 | 2003 Audi A6

1 Answer

Right side turbo noisy and leaking oil, audi allroad quatro


yes the whole subframe needs to be dropped as an assembly to do this job..2.7t is an awesome engine but not very user-friendly to work on.

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Peugeot hdi not accelerating fully and oil leak from turbo


yes these suffer bad on faulty turbos, i think yours is dead, let me know how u get on.
i know they carbon up inside which stops the oil getting in, really u need another oil change between servicing.

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2002 audi a4 quattro maintain acceleration problems


Likely a faulty diverter valve. If you have some decent mileage on the car the DV may be failing. It's a flimsy design with a plastic internal diaphragm. They're not terribly expensive (you can buy them at www.ecstuning.com or www.purems.com).

That being said, I'd still look around the turbo and intake systems for a loose, cracked, or disconnected vacuum hose - a vacuum leak should trip a check light but it may not always do so. Look for that, and if nothing is apparent, then I'd look at changing the DV.

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