S3 Sounds Like A Diesel On Startup.... - Page 2 - Audi Forums
8L Forum 1996-2003 Audi A3, Audi RS3 & Audi S3 (Audi A3 Forum, Audi RS3 Forum, Audi S3 Forum)

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post #11 of 23 (permalink) Old 01-21-2007, 06:41 PM
 
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I've got a 1.8T quattro which is the same basic engine and i get the same noise when starting, sounds like its quite common by reading this post. It instantly goes away though, if we've all having the same things then maybe its normal??
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post #12 of 23 (permalink) Old 01-30-2007, 08:30 AM
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yeah my 1.8T does this too, I don't worry about it any more. I think it's just a pulley or tensioner rattling.
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post #13 of 23 (permalink) Old 06-17-2007, 04:53 PM
 
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i've got an s3 1999 and it sounds like a diesel on every start up. It is common so dont worry about it. When i leave i usually say lets start up the diesel. gets peole thinking when i do start it up tho!
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post #14 of 23 (permalink) Old 06-17-2007, 05:01 PM
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Change the oil filter to the modified larger filter.If only briefly occuring it is infact normal and no damage occuring,the advance/retard sender at the camshaft rear chain tensioner is adjusting to cold start command and trying to build oil pressure as fast as possible.But oil sludge is another issue hence modified filter size.Also consider having the sump removed and the oil pump strainer cleaned out to increase oil pressure/feed.

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post #15 of 23 (permalink) Old 06-24-2007, 07:49 AM
 
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just a thought

it could be your that your oil pump is not sucking sufficent oil up to the top of the engine on starting you may need to take the sump off and have a look to make sure there are no particles blocking this off restricting the flow of oil at first turn over
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post #16 of 23 (permalink) Old 05-21-2008, 04:34 PM
 
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my mine also does it i have a 2001 s3 i dont even think if as long as 2 second its the second i turn the engine over then its back to a nice low growl i asked the guys that tune my car they said its just the sound of the audi engine starting up no problem at all so i wouldnt worrie m8 aslong as u get your oil and filter changed every 6k or so your engine will be fine
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post #17 of 23 (permalink) Old 10-27-2009, 05:45 AM
 
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Hi guys, I am somehow relieved to read all this, then am not on my own hehe seems to be normal. I have a 2001 A4, it is recently doing the same noise, my mechanic says its nothing to worry about too. It only does it for a few seconds, then if I start the engine within the next hour or so (i.e. when its still warm) it does not make any noise, it starts up like butter. Now, its not that I don't believe my mechanic but it does sound awful!!

@T-Sport;

Since I see you asked the same question re warming up the car, any views for me pls?

Thanks!
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post #18 of 23 (permalink) Old 10-27-2009, 05:47 AM
 
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rattle on start up

Quote:
Originally Posted by T-sport View Post
Maybe its just the lack of oil feeding to the top end of the engine causing the noise if you say it dissapears after a few seconds and drives fine ..

Does it still make the noise after you have run the car for a while to warm it up then turn off and start it again ??
Hi guys, I am somehow relieved to read all this, then am not on my own hehe seems to be normal. I have a 2001 A4, it is recently doing the same noise, my mechanic says its nothing to worry about too. It only does it for a few seconds, then if I start the engine within the next hour or so (i.e. when its still warm) it does not make any noise, it starts up like butter. Now, its not that I don't believe my mechanic but it does sound awful!!

@T-Sport;

Since I see you asked the same question re warming up the car, any views for me pls?

Thanks!
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post #19 of 23 (permalink) Old 10-27-2009, 04:43 PM
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Quote:
Originally Posted by Tinu_A4 View Post
Since I see you asked the same question re warming up the car, any views for me pls?

Thanks!
It wouldnt hurt to have an oil change and check the sump for any sludge build up.If you go by a8 tech advice with him being a master audi technician you wont go far wrong..





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post #20 of 23 (permalink) Old 03-09-2010, 07:48 AM
 
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Cambelt wrong position..

I had the same problem on mine - terrible sound. (A3 1.8t) but fixed now.

1.
It could be that the cambelt is in wrong position, mine was about 1.5 cm wrong positioned and it gaved me that sound you describe.
But i also got that my car didnt go well because of this.

2.
It could also be as described earlier in this post that the oil doesnt come up to the top.
There is a tiny - dont know the word in english, that the oil needs to go through and that "thing" might be full/blocked.
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