Hey Guys have noticed sometimes when I start the S3 from cold I get like a rattle or tapping for a sec. When warm it doesnt tend to happen. Its nothing major just wondering does anyone else get this. The noise could be injector noise I aint sure.
Instantly know what that is......
Mine sounded just like it, the camshaft tensioner is not working as it should and your chains are rattling on startup, mine was also doing this during gear changes with load/unload going onto the engine. I don't want to frighten you but go to your local Audi Stealer and ask them to diagnose it. They shouldn't charge you, mine didn't. Be prepared for a 1K top end rebuild bill. Mine cost me just shy of 1K back last year.
G
Instantly know what that is......
Mine sounded just like it, the camshaft tensioner is not working as it should and your chains are rattling on startup, mine was also doing this during gear changes with load/unload going onto the engine. I don't want to frighten you but go to your local Audi Stealer and ask them to diagnose it. They shouldn't charge you, mine didn't. Be prepared for a 1K top end rebuild bill. Mine cost me just shy of 1K back last year.
G
A **** your not serious. Looks like she will be going up for sale as I aint forking out for that.
Surely your better getting that fixed before selling it? it might not be a top end rebuild job? I would definately get it looked at
Yeah I'd like to know how that goes as I have the same. I thought it was jus exhaust rattle. My cat is on it's way but yours sounds exactly like mine. ****!
Hi mate what damage did that cause to your engine? just out of interest.
I have had an EML light come on my car the other week, an Audi specialist, diagnosed it, and it is my Camshaft Adjuster which is at fault is this the same as a Camshaft Tensioner?
Its currently parked up waiting to be fixed, by them next week when they are free, turns out to be a very expensive repair for the part and labour, i had no noise on startup or when underload drove fine,just wondered if its the same part?
I thought all cars made a slight noise on startup from cold as the engine adjusts as oil pressure get up to spec????only for a few seconds and no where as noisy as in that video?
Forgot to mention, it was a £5 part (oil pickup pipe filter) which eventually caused all the damage, that and the fact AVS was used at least once in it's life. My car is 1 previous owner from new as well (woman), not as if its been neglected.
We live and learn.
G
I would get it looked at asap mate, as you dont know until its been checked, my car was different i had no noise, just an EML light flagged up, so im glad i got it checked straight away as i would not want it to fail completely which could have caused me alot of grief,
the strainer is definately not at fault. its function is to limit the amount and size of the rubbish that can get into the oil pump, to preserve the oil pump.
due to dodgy servicing (AVS) you end up with oil being burnt on everywhere. as parts of the burnt oil/sludge get dislodged they end up in the sump and the pump tries to suck them up. the strainer does its job and stops them, eventually itll end up blocked.
before then youll get poor circulation and it does seem that the tensioner is the first thing to show symptoms as it does no pressurise properly, but leave it long enough and eventually the tensioner will need replacing. if circulation comes almost to a stop then youll end up with a damaged turbo and eventually head damage
AVS is murder though. ive got some fantastic pictures on my phone of partially and almost completely blocked strainers, the worst being an 80k "low miler" that had spent its life on AVS, which also had bits of broken dip stick tube in there too
I changed my cam chain tensioner on the weekend. I bought a genuine part from the US for £167 delivered, not £370 from Audi or TPS.
Do you only hear the rattle on start up, not on warm idle or any other time. If its only on start up get a friend to start the car while you place a screwdriver where the cam chain tensioner is and listen through the screwdriver, you should hear it rattle (old school method for finding noises).
It is not that hard a job to fix but very time consuming, and thats where the cost comes from, labour and yes it is a very expensive part from AUDI. I didnt have a rattle very much on start up, I had my rattle on warm idle when there is no oil pressure and the cam chain tensioner would lose its tension slightly so the chain would become slack and rattle quite loud ish. Since changed last weekend the car is very quite on start up and warm idle which is great.
There is no need to change anything else unless you want peace of mind like Mr G has ( he has given you very good advice in this thread). I bought a cam chain tensioner, rocker cover gasket and tensioner gasket which all come to around £190. If you decided to do it yourself let me know because I got quite a few very useful guides and I would be able to give you any advise you need as I just done mine.
Nathan
This is the part I bought
http://cgi.ebay.com/ebaymotors/ws/e...0512822148&viewitem=&sspagename=STRK:MEWAX:IT
There is 2 types of cam chain tensioner, a electronic and non electronic. I think the non facelifts have the non electronic which is quite a bit cheaper. Have a look at yours tensioner to see if you have a sensor at the end of it. The tensioner is located on the right hand side of the engine rocker cover.
and these are the guides I used
http://www.passatworld.com/forums/showthread.php?t=215732
http://www.ca-va.org/tech/camtensioner/index.html
http://www.seatcupra.net/forums/showthread.php?t=240036
Nathan
I should be a sensor type as your should have a facelift S3.
Nathan
age old design to have a single cam sprocket and then a chain linking them.
i have personally changed them myself without touching the cambelt, there are how-to guides on the net that show you how.
just adds further evidence to show that "specialist" (or garages in general IMO) cant be trusted!
There is no need to change anything else unless you want peace of mind like Mr G has ( he has given you very good advice in this thread). I bought a cam chain tensioner, rocker cover gasket and tensioner gasket which all come to around £190. If you decided to do it yourself let me know because I got quite a few very useful guides and I would be able to give you any advise you need as I just done mine.
age old design, ie tried and tested and so we know it lasts.Come on Matt, I mean how many of us would actually attempt this, be realistic. Regardless of who is doing the work, the whole Idea is to be safe than sorry, is that not correct? So Specialists or Audi Dealers are only looking after our best interest, albeit lining their pockets. I'm sure that they do not want us returning with the car with further problems of items that were NOT changed during the initial rebuild job. If I was working for a specialist I know what advice i'd give to customers, given that we ALL know how cars are both temperamental and problematic at the best of times. Unless it's spanking new and even then problems arise.
As for ages old design....I'm not doubting that, however it's still a good strong engine when it works as it should. I'm not a mechanic or engineer so have no idea about pro's/con's of each engine other than whats obvious, it seems that you do though....so share your thoughts, we'd all welcome them i'm sure!
Further evidence of what? That ALL specialists or garages can't be trusted? I think that's too much of a blinkered approach to places that ARE legitimately trading and are doing a very good job, of which three immediately spring to mind.
age old design, ie tried and tested and so we know it lasts.
as for dealer/specialist looking out for your interests, i think thats a bit rose tinted. they are a business, they are there to make money. it is not necessary to remove the cambelt etc to replace a chain tensioner, obviously that takes time, i doubt they would even touch it tbh. the more cars they can turn around in a day, they more its worth to them regardless of how many hours labour they charge.
for a simpler example that everyone can relate to... the stat on the front of a 20vt. im not sure on the time quoted for that particular job, but elsawin states the alternator has to be removed to access the stat, when everyone knows that thats not true.
i just dont trust specialsts or garages in general, look at how often people are unhappy with the quality of work etc. if the work was carried out properly, perhaps the cars wouldnt be so tempermental?
there are very few places out there run by proper enthusiasts, thats where the best work comes from because they have an actual passion for the work theyre doing, unlike the YTS oik blindly following the manual down your local dealer. youre no better him working on it than yourself
Hi
http://www.enginebuildermag.com/Article/3954/volkswagen_engine_noise_complaints.aspx
Read this, Interesting read.