Evening all im a new member to the audi forum but had many audis over the years and always been reliable I had a q7 November 2024 that had just had extensive work done including, oil cooler, alternator, pulleys & belts, new battery with a receipt for just over 3k ive had the car just over a year and done around 3.5k in it had a full service and rear wheel speed sensor (genuine) fitted in decemeber 2024 and been fine until I noticed a chugging sound on startup the other day and when I picked the little one from school noticed a oil burn smell in the cab, parked the car on the drive and havent used it since thursday, so I had time to check today and noticed it looks like its leaking from by the exhaust manifold, looks like there a build up of gunk near I think is the injector and looks like its blowing you can see in the video after camera stops shaking? Correct me if im wrong but im led to believe its the injector leaking and the copper washer failure is that right and can anyone help me out or point me in the direction, I have warranty on the car until may 2026 and if this is going to be an expensive repair I may have to claim towards it to cover some expenses, I will drop a video below i have taken today.

 

Any help is appreciated 👊🏻👌🏻

 

Thanks audi owners club!

 

Regards

Peter

If it's blowing near an injection for then most likely just the injector seal. 

Hi steve thanks for the reply buddy hope you're well?

 

I think it looks like its blowing near the injector but im unsure as im not familiar with this 3.0 tdi engine does it look like the injector is leaking or its blowing on the video steve?

 

Thanks again buddy

You're welcome, and I'm good thank you. Hope you're well. 

Does look like it to me. I've never had to do it on an Audi, but it cost £160 to change a seal on my wife's Jag. Independent garage. 

The seal is like a copper washer but they leak and cause the smell. Definitely speak to your trusted mechanic. As it's a case of removing the injector and replacing the seal. 

29 minutes ago, Steve Q said:

You're welcome, and I'm good thank you. Hope you're well. 

Does look like it to me. I've never had to do it on an Audi, but it cost £160 to change a seal on my wife's Jag. Independent garage. 

The seal is like a copper washer but they leak and cause the smell. Definitely speak to your trusted mechanic. As it's a case of removing the injector and replacing the seal. 

Good glad you're good im well myself thanks steve, yes i agree after looking at a few videos it does seem to be leaking from there and heard they are copper washers that have a little rim on and only use genuine parts not flat copper washer after watching a video on YT.

 

Mine has only recently started to do this so hopefully nothing more serious i have no engine lights ect so cant be too serious at the moment ive parked her up and will probs get it recovered to the garage.

 

Also think im going to see the price of all 6 to be changed and a price for 1 as i might aswell get them all done save any future problems if not too costly as I mentioned previous i do have warranty until may 2026 so might be able to get it done under that who knows I will call monday and keep people posted on the outcome.

 

Thanks again steve 👍🏻

 

Regards

Pete 

In my wife's jags case there wasn't any warning lights either which I think is standard/common. 

Should be safe to drive to the garage. It'll be more costly to do all 6. 

Definitely speak to the warranty company but I can guarantee they'll say it's wear and tear.  

Ahh ok I know will be more costly but if it isn't too silly then might consider it but if its too much ill get the one done and hope for the best! Ill speak with them monday and have my fingers crossed ive heard horror stories from them after looking up the reviews so not very hopeful but worth a shot even if they foot some of the bill. Im going to look at midland vw in Norton canes and give them a call on prices.

Please keep us posted on how you get on 

Peter.

If the car is 2024 then I understand you going to an Audi dealer; however if it is 2014 as per your signature you would be better going to an independant VAG specialist.

1 hour ago, cliffcoggin said:

Peter.

If the car is 2024 then I understand you going to an Audi dealer; however if it is 2014 as per your signature you would be better going to an independant VAG specialist.

Yes wouldn't touch dealer only unless I really had too! I will look at midlands vw in Norton canes they are a audi vw specialist, ill give them a call and get some prices.

I'll just chip in and say it's become a common fault and I would suggest that you replace all 6 at the same time. Otherwise as many have found repeat visits will cost more money and inconvenience.

Edited January 18Jan 18 by Diago

3 minutes ago, Diago said:

I'll just chip in and say it's become a common fault and I would suggest that you replace all 6 at the same time. Otherwise as many have found repeat will cost more money and inconvenience.

Yeah ive thought that myself dont like to do things in halfes either if im doing something I like it done properly. Its going to sit until I can stomach the repair bill if its too much money to spend in january 😂 and ill use my works van and the mrs 120d n47 and smash some foreigners out at work the next month to repair 😂🤦‍♂️

 

Thanks for the help guys 👌🏼👍🏻

Edited January 18Jan 18 by PeteQ7SportEdition
SPELLING

Injectors need new bolts and usually clamps. I would do all 6 too, plus new seals. Half the battle is getting injector out. 

Agree with the comments above on getting all 6 done in one hit. The copper washers are well known to fail after a while. 

The copper washers can be bought direct from Audi and if you are there get all 6 injector bolts as they are known to snap, and the rubber oring for the injector shaft.

Whether you do the job yourself or getting someone to do it for you, make sure the injector port and especially the injector seat is completely clean and has no black cruud before the injector with new washers go back in. Otherwise in 6months to a year the same job will have to be done again. 

I got the parts myself just recently and did the job myself and cost my less than 150 for the washers, orings and bolts, including the brush set to clean the ports. 

Edited January 19Jan 19 by adsfisher

10 minutes ago, adsfisher said:

Agree with the comments above on getting all 6 done in one hit. The copper washers are well known to fail after a while. 

The copper washers can be bought direct from Audi and if you are there get all 6 injector bolts as they are known to snap, and the rubber oring for the injector shaft.

Whether you do the job yourself or getting someone to do it for you, make sure the injector port and especially the injector seat is completely clean and has no black cruud before the injector with new washers go back in. Otherwise in 6months to a year the same job will have to be done again. 

I got the parts myself just recently and did the job myself and cost my less than 150 for the washers, orings and bolts, including the brush set to clean the ports. 

Hi mate yes ive called midland vw today in Norton canes and got it booked in on 2/2/26 for all 6 injector seals & washers replaced along with 6 new bolts but  after looking again today the leak seems to be just below injector 4 near the manifold bolts so gave them a call back as I thought it was coming from injector at first and apparently there's a drain hole there and if copper seals have gone leaks from there, I know they are a very reputable company this way and highly recommend so I will see the outcome on the 2nd of Feb ive looked today and crankshaft pulley looks a little rusty too so I might get that changed for peace of mind if not too costly too.

 

Regards

Pete

So for absolute clarity Peter, is it a 2014 or a 2024 vehicle? 
Regards,

Gareth. 

2 minutes ago, Magnet said:

So for absolute clarity Peter, is it a 2014 or a 2024 vehicle? 
Regards,

Gareth. 

Yes mate its a 2014 (64) plate audi q7 3.0 tdi sport edition

And you are really taking a 12 year old car to an Audi main dealer to fix??

Hope you’ve warned your wallet! 

1 minute ago, Magnet said:

And you are really taking a 12 year old car to an Audi main dealer to fix??

Hope you’ve warned your wallet! 

Hi mate please read again wouldnt touch a dealer! Its going to midland vw in Norton canes, west midlands a vag specialist.

2 hours ago, PeteQ7SportEdition said:

Hi mate please read again wouldnt touch a dealer! Its going to midland vw in Norton canes, west midlands a vag specialist.

Please keep us posted on how you get on 🙂

I will keep you all posted on the outcome. 👍🏻

That’s clearer now Peter.

With you living in the W. Midlands, you know ‘midland vw’ are independents. Members on here have no idea whether Midland VW are independents rather than main dealers. 

12 minutes ago, Magnet said:

That’s clearer now Peter.

With you living in the W. Midlands, you know ‘midland vw’ are independents. Members on here have no idea whether Midland VW are independents rather than main dealers. 

I did answer this up the thread buddy..

 

Its going to a vag specialist called midland vw 👍🏻

 

"Yes wouldn't touch dealer only unless I really had too! I will look at midlands vw in Norton canes they are a audi vw specialist, ill give them a call and get some prices."

5 hours ago, PeteQ7SportEdition said:

Hi mate yes ive called midland vw today in Norton canes and got it booked in on 2/2/26 for all 6 injector seals & washers replaced along with 6 new bolts but  after looking again today the leak seems to be just below injector 4 near the manifold bolts so gave them a call back as I thought it was coming from injector at first and apparently there's a drain hole there and if copper seals have gone leaks from there, I know they are a very reputable company this way and highly recommend so I will see the outcome on the 2nd of Feb ive looked today and crankshaft pulley looks a little rusty too so I might get that changed for peace of mind if not too costly too.

 

Regards

Pete

One other thing.. which they will know if they're any good.. you must refit the injectors in their original positions otherwise you also have to renew the tensioning brackets.

13 minutes ago, Diago said:

One other thing.. which they will know if they're any good.. you must refit the injectors in their original positions otherwise you also have to renew the tensioning 

Ive read very good reviews and been recommended this vag specialist (midland vw) by a friend whos had head rebuilt on his mrs a1 and couldnt speak highly enough I guess only time will tell, I thought id use them as they are reputable company around the midlands and i want it done properly.

 

They have over 25 years of vag experience and only deal with VW, AUDI, SKODA, SEAT.

 

Id preferably like to use darkside developments but they are quite a way from me 👍🏻