Loud thud then knocking noise

number9 · 12-12-2007, 04:44 PM

Hi guys,

I was wondering if anyone had ever experienced this problem before....

I was driving along the motorway at around 60mph when there was a really loud thud and the car slowed a little almost as if it had hit something (that's what I thought had happened initially).

Im really worried now, its 2 weeks until Christmas and the last thing I need right now is my car breaking down or me having to spend any sort of cash on it right now.

When driving, if I put my hand on the gear stick I can feel a sort of grinding (only way I can describe it) and theres a knocking noise which seems to be gradually getting louder. Changing gears etc is fine and I dont think it has lost any power (actually, I was scared to try incase I did any further damage).

When I increase the speed, the knocking noise also quickens.

Has anyone experienced this? Or have any knowledge of what it could be?

It is a 99 Audi A3 1.6

Thanks in advance

Cb1 · 12-13-2007, 03:10 AM

Hi,
I had a similar experience to the one you wrote about. In my case it was the gearbox that was going, I initially thought it might have been a spring because as you were, i was driving and then alll of a sudden there was a bang as if the car hit a bollard or something..

I got it checked and first guy said there was nothing wrong then, same thing happened again a couple of days later and it wouldnt go into a gear for ages..

Hope you get it sorted, but no doubt there will be something else that goes soon after.. i have a 99 a3 and have had nothing but problems with it.. but hopefully you are a bit luckier!!

Actionman_RM · 12-14-2007, 02:01 AM

HI, i have the same problem with my S3. added a thread a while ago. i get a knocking noise when i pull away or put my foot down. i have been told that it is probably a flywheel failure. something to do with that because it is a dual mass one. i have bought new clutch and flywheel, getting it fitted soon as poss. audiwanted £460 just for the flywheel, but i got both from GFS for £330. hope all goes well, let me know if you find it out to be something else. Cheers

12-12-2007, 04:44 PM	#1 (permalink)
number9 Newbie Join Date: Dec 2007 Posts: 1 Gallery: (0)	Loud thud then knocking noise Hi guys, I was wondering if anyone had ever experienced this problem before.... I was driving along the motorway at around 60mph when there was a really loud thud and the car slowed a little almost as if it had hit something (that's what I thought had happened initially). Im really worried now, its 2 weeks until Christmas and the last thing I need right now is my car breaking down or me having to spend any sort of cash on it right now. When driving, if I put my hand on the gear stick I can feel a sort of grinding (only way I can describe it) and theres a knocking noise which seems to be gradually getting louder. Changing gears etc is fine and I dont think it has lost any power (actually, I was scared to try incase I did any further damage). When I increase the speed, the knocking noise also quickens. Has anyone experienced this? Or have any knowledge of what it could be? It is a 99 Audi A3 1.6 Thanks in advance Last edited by number9 : 12-12-2007 at 05:51 PM.

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12-13-2007, 03:10 AM	#2 (permalink)
Cb1 Newbie Join Date: Sep 2007 Location: Dublin Posts: 7 Gallery: (0)	Hi, I had a similar experience to the one you wrote about. In my case it was the gearbox that was going, I initially thought it might have been a spring because as you were, i was driving and then alll of a sudden there was a bang as if the car hit a bollard or something.. I got it checked and first guy said there was nothing wrong then, same thing happened again a couple of days later and it wouldnt go into a gear for ages.. Hope you get it sorted, but no doubt there will be something else that goes soon after.. i have a 99 a3 and have had nothing but problems with it.. but hopefully you are a bit luckier!!

12-14-2007, 02:01 AM	#3 (permalink)
Actionman_RM Newbie Join Date: Sep 2007 Location: Devon Posts: 11 Gallery: (0)	HI, i have the same problem with my S3. added a thread a while ago. i get a knocking noise when i pull away or put my foot down. i have been told that it is probably a flywheel failure. something to do with that because it is a dual mass one. i have bought new clutch and flywheel, getting it fitted soon as poss. audiwanted £460 just for the flywheel, but i got both from GFS for £330. hope all goes well, let me know if you find it out to be something else. Cheers

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