Panamera The 4-dour coupe by Porsche
Sponsored by:
Sponsored by:

PTT issue with differential?

Thread Tools
 
Search this Thread
 
Rate Thread
 
  #1  
Old 11-21-2011, 11:51 PM
stevelms's Avatar
Registered User
Thread Starter
Join Date: Jun 2010
Location: Seattle
Posts: 8
Rep Power: 0
stevelms will become famous soon enough
PTT issue with differential?

Question for the assembled masses.

My 2011 PTT exhibits a behavior when turning sharply at very slow speeds (as in, backing out of a parking space) that I am a bit suprised by. The steering wheel jerks and the front wheels make a slipping noise. This would seem to be the issue of a 4 wheel drive vehicle with locked differentials and the different distances travelled by the inside and outside front tires when turning sharply... The slip I hear/feel is equalizing the wheel positions with a small skid. I would have expected the axle not to be locked in so advanced a car and thus to handle the slip in this situation but I guess I don't know whehter it is supposed to. My RS4 didn't do this for example. Before going to dealer thought I'd ask other's experiences. Maybe it's something else but man the symptoms fit my explanation.

Does everyone experience this? Is it normal or is there something off with my car/tranny?
 
  #2  
Old 11-22-2011, 04:17 AM
vkvmd's Avatar
Registered User
Join Date: Feb 2011
Location: Philadelphia
Posts: 49
Rep Power: 15
vkvmd is on a distinguished road
Summer tires when the ambient temperature drops. Almost every car I've owned with low-profile tires has done this. Very loud noise...
 
  #3  
Old 11-22-2011, 05:23 AM
Siswati's Avatar
Registered User
Join Date: Aug 2006
Location: Fort Lauderdale FL
Posts: 106
Rep Power: 25
Siswati is just really niceSiswati is just really niceSiswati is just really niceSiswati is just really nice
Originally Posted by vkvmd
Summer tires when the ambient temperature drops. Almost every car I've owned with low-profile tires has done this. Very loud noise...
+1,000 - Many posts on this forum and others of similar experiences!
 
  #4  
Old 11-22-2011, 09:47 AM
Suretyagent's Avatar
Registered User
Join Date: Nov 2011
Location: Salem, Oregon - USA
Posts: 9
Rep Power: 0
Suretyagent is on a distinguished road
With my PTT I experience this regularly – especially when the tarmac has different amounts of grip between different wheels/tire patch. Example: Turning 90 degrees onto a side street from a stop and accelerating as one of the tires goes over a wet man-hole cover or some loose gravel. Very typical.
 
  #5  
Old 11-22-2011, 12:26 PM
kip's Avatar
kip
kip is offline
Registered User
Join Date: Nov 2009
Location: Northern Europe
Posts: 1,330
Rep Power: 76
kip is a splendid one to beholdkip is a splendid one to beholdkip is a splendid one to beholdkip is a splendid one to beholdkip is a splendid one to beholdkip is a splendid one to beholdkip is a splendid one to behold
Originally Posted by stevelms
Question for the assembled masses.

My 2011 PTT exhibits a behavior when turning sharply at very slow speeds (as in, backing out of a parking space) that I am a bit suprised by. The steering wheel jerks and the front wheels make a slipping noise. This would seem to be the issue of a 4 wheel drive vehicle with locked differentials and the different distances travelled by the inside and outside front tires when turning sharply... The slip I hear/feel is equalizing the wheel positions with a small skid. I would have expected the axle not to be locked in so advanced a car and thus to handle the slip in this situation but I guess I don't know whehter it is supposed to. My RS4 didn't do this for example. Before going to dealer thought I'd ask other's experiences. Maybe it's something else but man the symptoms fit my explanation.

Does everyone experience this? Is it normal or is there something off with my car/tranny?
Often when I turn and back in to the garage sharply and very slowly the PTT makes this slipping sound. My Audi Q5 doesnt.
 
  #6  
Old 12-20-2011, 08:04 PM
versailles's Avatar
Registered User
Join Date: Dec 2011
Posts: 102
Rep Power: 0
versailles is an unknown quantity at this point
Yes it happens to me as well at times, but only when turning very slowly, like when parking sharply. First time it happened i thought I ran over a soda can.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
adnanm3
Aston Martin
17
11-22-2023 02:43 AM
PV=nRT.
Panamera
35
09-09-2022 06:06 PM
Rguy
Automobiles For Sale
13
04-12-2020 11:11 PM
proTUNING Freaks
997 Turbo / GT2
17
09-15-2015 07:28 AM
oo7
Aston Martin
7
09-10-2015 08:08 AM



You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: PTT issue with differential?



All times are GMT -6. The time now is 07:03 AM.