G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

5AT can't hold on an incline?

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Old Mar 8, 2007 | 12:31 AM
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Unhappy 5AT can't hold on an incline?

Greetings,
Just had the strangest problem with my 05 5AT. On a slight incline of say 8 degrees, the auto trans can not hold the vehicle. I tried to parallel park and it was like having a stick all over again - without the benefit of a hand brake! Caused me to hit another vehicle. Mentioned it during my 15K service, just to be told it was normal. Did a search, but did not see any one else complaining. Suddenly I am a little concerned about having this car in an area with hills...
 
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Old Mar 8, 2007 | 12:42 AM
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i'll test mine when i get it back tomorrow but i don't remember this being a problem on mild inclines
 
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Old Mar 8, 2007 | 12:47 AM
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Mine won't hold on my driveway.
 
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Old Mar 8, 2007 | 12:52 AM
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Might have something to do with the torque converter stall speed?
 

Last edited by IP05G35; Mar 8, 2007 at 12:55 AM.
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Old Mar 8, 2007 | 12:54 AM
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That's about the only downside to having a high performance higher stall torque converter in this car. If rolling is such an issue then why use the foot brake and gas? It's not that hard.
 
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Old Mar 8, 2007 | 01:03 AM
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Originally Posted by DaveB
If rolling is such an issue then why use the foot brake and gas? It's not that hard.
Because I am 6'7" with a 39" inseam - long legs make it a little tough using both legs to park. Hand brake would have made it a lot easier!
 
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Old Mar 8, 2007 | 01:23 AM
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i like it when that happens because i can pretend i'm in a manual
 
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Old Mar 8, 2007 | 01:24 AM
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Originally Posted by sd_diver
Because I am 6'7" with a 39" inseam - long legs make it a little tough using both legs to park. Hand brake would have made it a lot easier!

damn.. ur a big guy.. might be some weight holdin it down.. haha JK..
 
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Old Mar 8, 2007 | 09:10 AM
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Originally Posted by sd_diver
...On a slight incline of say 8 degrees, ...
It's curious how people define "slight"! I would say that 8 degrees is very steep.

The typical road standards for maximum grade on collector streets is usually 8% (or about 3.6 degrees), and perhaps 10% (4.5 degrees) on residential streets.
 
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Old Mar 8, 2007 | 09:46 AM
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I have the same problem on the parking garage ramps. Wants to roll down.
 
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Old Mar 8, 2007 | 10:33 AM
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why didn't you buy a 6MT? :P
 
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Old Mar 8, 2007 | 11:09 AM
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I understand it is a bit of an inconvenience but not using the parking brake in a situation like that is bad on the tranny.
 
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Old Mar 8, 2007 | 12:40 PM
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i think tat was the only draw back with the earlier sedans..no hand brake..gay
 
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Old Mar 8, 2007 | 01:00 PM
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i have a 5AT and my experience is the opposite i have been on some pretty big inclines and my g usually doesn't roll down that is unless i have momentum, but if i come to a slow stop it usually holds and i can even take my foot off the brake and chill.
 
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Old Mar 8, 2007 | 01:04 PM
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Originally Posted by sd_diver
Greetings,
Just had the strangest problem with my 05 5AT. On a slight incline of say 8 degrees, the auto trans can not hold the vehicle. I tried to parallel park and it was like having a stick all over again - without the benefit of a hand brake! Caused me to hit another vehicle. Mentioned it during my 15K service, just to be told it was normal. Did a search, but did not see any one else complaining. Suddenly I am a little concerned about having this car in an area with hills...
Not sure exactly what's going on there but every auto trans I've ever owned has exhibited this exact behavior on a steep enough grade like parking garages. I've had the same thing happen when I'm on a downhill grade and trying to back up. I think it has something to do with the torque converter but I don't know nearly enough about such things to speak knowledgeably on the subject.
 
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