A3 3.2 DSG driveline shudder

mplatt911 · 08-21-2011, 03:36 PM

Not a newbie to Audis but my wife got rid of her MiNi for a 2006 A3. She loves it. When going around low speed corners there is a vibration similar to a CV joint shuddering. Not all the time. I do not think it is a Cv joint but some sort of LSD type shuddering. Sounds like in the rear of car. Car has 75k. Anyone had the symptom and does a service solve it.

LWNY · 08-22-2011, 08:05 AM

Could be your haldex clutch locking, resulting in binding of your wheels.

Or could be the rear diff locking, which people say will happen if during service, they put the haldex fluid in the rear diff.

mplatt911 · 08-23-2011, 05:11 PM

If I turn off the Traction control, the problem goes away.

LWNY · 08-23-2011, 05:47 PM

Maybe one tire is much lower in tire pressure, causing false ESP reading?

To verify it is not haldex, pull the haldex fuse and see if it still happens. This will make your car purely fwd and will negate the possibility of the haldex clutch locking and overdriving the rear wheels.

mplatt911 · 09-09-2011, 07:56 PM

I changed the haldex fluid today with a new filter and no luck. Shudder is there when making right hand turns only. Happens with ESP button off or on. ESP light even flashes a bit under tight right handers. All searches seem to indicate a bad controller. Where can i find a used or rebuilt one reasonably?

LWNY · 09-10-2011, 07:47 PM

If Haldex controller is broken, it would still cause the shudder if you turn ESP off.

s4master1 · 09-12-2011, 11:39 AM

sounds like a bad haldex unit.
very common on tts.

mplatt911 · 10-08-2011, 05:34 PM

I still get the shudder no matter what i do, ESP on or off. funny it only happens on right hand turns, not left. I was on a long sweeping turn on the highway at 70mph and it felt like the car would vibrate it self to death. never happens going left. I pulled out the ross tech and checked the controller. No faults. Anything i should look for on the sequential out put tests?

neu318 · 04-26-2012, 08:07 AM

Was there ever a solution? I've had the same exact problem for many months and the Dealer doesn't know what it is either.

neu318 · 04-30-2012, 07:48 AM

Bump, I need help ASAP please

08-23-2011, 05:11 PM	#3
mplatt911 Audiworld Junior Member Garage is empty, add now Join Date: Apr 2007 Posts: 49	driveline shudder If I turn off the Traction control, the problem goes away. __________________ Mike P car and bike issues abound 1993 Audi S4 (son #1's ride) 2001.5 Audi S4 avant (son #2's ride) 2003 Porsche Cayenne Turbo (tow rig) 2003 Mini Cooper S (wifeys) 1999 Ducati ST4 (yes its red) 1990 Porsche 944S2 (daily beater) 1962 Porsche 356B 2005 Lotus elise

09-09-2011, 07:56 PM	#5
mplatt911 Audiworld Junior Member Garage is empty, add now Join Date: Apr 2007 Posts: 49	I changed the haldex fluid today with a new filter and no luck. Shudder is there when making right hand turns only. Happens with ESP button off or on. ESP light even flashes a bit under tight right handers. All searches seem to indicate a bad controller. Where can i find a used or rebuilt one reasonably? __________________ Mike P car and bike issues abound 1993 Audi S4 (son #1's ride) 2001.5 Audi S4 avant (son #2's ride) 2003 Porsche Cayenne Turbo (tow rig) 2003 Mini Cooper S (wifeys) 1999 Ducati ST4 (yes its red) 1990 Porsche 944S2 (daily beater) 1962 Porsche 356B 2005 Lotus elise

09-12-2011, 11:39 AM	#7
s4master1 AudiWorld Super User 2009 APRILIA RSV1000R My Garage Join Date: May 2003 Posts: 2,651	Haldex sounds like a bad haldex unit. very common on tts. __________________ AUDIDR.COM 2011 S550 fully loaded 2006 A6 3.2Q 2007 S4 for sale RSV1000R for sale 2009 A5 3.2 2008 A4 2.0 for sale 2013 APRILIA RSV4

10-08-2011, 05:34 PM	#8
mplatt911 Audiworld Junior Member Garage is empty, add now Join Date: Apr 2007 Posts: 49	I still get the shudder no matter what i do, ESP on or off. funny it only happens on right hand turns, not left. I was on a long sweeping turn on the highway at 70mph and it felt like the car would vibrate it self to death. never happens going left. I pulled out the ross tech and checked the controller. No faults. Anything i should look for on the sequential out put tests? __________________ Mike P car and bike issues abound 1993 Audi S4 (son #1's ride) 2001.5 Audi S4 avant (son #2's ride) 2003 Porsche Cayenne Turbo (tow rig) 2003 Mini Cooper S (wifeys) 1999 Ducati ST4 (yes its red) 1990 Porsche 944S2 (daily beater) 1962 Porsche 356B 2005 Lotus elise

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08-22-2011, 08:05 AM	#2
LWNY AudiWorld Member Garage is empty, add now Join Date: Dec 2007 Posts: 236	Could be your haldex clutch locking, resulting in binding of your wheels. Or could be the rear diff locking, which people say will happen if during service, they put the haldex fluid in the rear diff.

08-23-2011, 05:47 PM	#4
LWNY AudiWorld Member Garage is empty, add now Join Date: Dec 2007 Posts: 236	Maybe one tire is much lower in tire pressure, causing false ESP reading? To verify it is not haldex, pull the haldex fuse and see if it still happens. This will make your car purely fwd and will negate the possibility of the haldex clutch locking and overdriving the rear wheels.

09-10-2011, 07:47 PM	#6
LWNY AudiWorld Member Garage is empty, add now Join Date: Dec 2007 Posts: 236	If Haldex controller is broken, it would still cause the shudder if you turn ESP off.

04-26-2012, 08:07 AM	#9
neu318 AudiWorld Newcomer Garage is empty, add now Join Date: Feb 2010 Posts: 2	Was there ever a solution? I've had the same exact problem for many months and the Dealer doesn't know what it is either.

04-30-2012, 07:48 AM	#10
neu318 AudiWorld Newcomer Garage is empty, add now Join Date: Feb 2010 Posts: 2	Bump, I need help ASAP please