- #998 of 1243
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Re: Pulling [kentbrockman37]
by manmountain
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Jan 28, 2007 (11:28 am)
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Replying to: kentbrockman37 (Jan 27, 2007 12:49 pm)
This all sounds like shades of 'harmonic vibration' that the TLs have been dogged by since introduction in 04. I test drove a MDX with standard wheels yesterday for about an hour including 70 mph grooved pavement, dirt tracks and snow covered side roads. I didn't notice any pulling as described by ceric and kentb but the steering was noticeably heavy, especially compared with my 04 TL and 99 Tahoe. It wasn't dangerous or tiring but it was a noticeably change from the other vehicles. Has anyone else experienced pulling, etc? I really don't want to go through another 6 months of trying to resolve a harmonic vibration type of problem.
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- #999 of 1243
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Re: Pulling [kentbrockman37]
by my3rdrx
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Jan 28, 2007 (8:29 pm)
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Replying to: kentbrockman37 (Jan 27, 2007 12:49 pm)
I have just come across this TSB ~ maybe it'd be helpful:
http://alldata.com/tsb/Acura/1168588800000_1169452800000_06-034/index.html
It covers all 99-07 vehicles. Good luck!
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- #1000 of 1243
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Re: Pulling [my3rdrx]
by justg0
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Jan 28, 2007 (11:19 pm)
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Replying to: my3rdrx (Jan 28, 2007 8:29 pm)
I now have almost 1000 miles on my 07 MDX and have not experienced any pulling, etc. I usually drive using one hand lightly on the steering wheel and although I do find 07 MDX steering to be heavier as compared to my Camry (which I would say is very light), I am still able to navigate without any problems. I would have liked the steering to be a bit lighter on lower speeds though, but is is perfect for freeway speeds.
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- #1001 of 1243
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Re: Pulling [justg0]
by spektre
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Jan 29, 2007 (12:32 pm)
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Replying to: justg0 (Jan 28, 2007 11:19 pm)
similar situation here: No pulling, about 4000 miles, wishing for a bit more boost in the parking lots... and still enjoying my MDX! 
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- #1002 of 1243
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Re: Pulling [spektre]
by manmountain
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Jan 30, 2007 (8:10 am)
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Replying to: spektre (Jan 29, 2007 12:32 pm)
Thanks, everyone, that is good to know. I notice that the material on the MDX describes the steering as being variable torque (or something like that). Does anyone know if that means it's potentially adjustable, eg, could the dealer adjust for more boost?
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- #1003 of 1243
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Re: Pulling [kentbrockman37]
by barb36jack31
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Feb 06, 2007 (7:09 am)
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Replying to: kentbrockman37 (Jan 25, 2007 3:12 pm)
I test drove a 2007 MDX with the 19" wheels and it rode quite rough and pulled to the right. I purchased an MDX with the standard wheels and it rides smoothly and no pull in either direction. Gas mileage registered 20.4 on the 100 mile trip from dealer to home. It has now settled to about 18MPG here in the Orlando, FL area. Am very pleased with the car.
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- #1004 of 1243
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Re: Pulling [manmountain]
by robertsmx
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Feb 06, 2007 (9:36 am)
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Replying to: manmountain (Jan 30, 2007 8:10 am)
Speed sensitive power steering adjusts boost depending on speed. I don't think your dealer can adjust the boost.
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- #1005 of 1243
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Re: Pulling [robertsmx]
by varmint
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Feb 06, 2007 (11:30 am)
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Replying to: robertsmx (Feb 06, 2007 9:36 am)
With the MDX, the steering is actually torque-sensing rather than speed-sensing. Torque-sensing works off of the engine rpm, rather than the vehicle speed.
End result is more or less the same. And I agree that a dealer isn't likely to mess with it.
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- #1006 of 1243
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Re: Pulling [varmint]
by robertsmx
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Feb 06, 2007 (2:38 pm)
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Replying to: varmint (Feb 06, 2007 11:30 am)
I thought torque-sensing was more of a function of the DBW system, as opposed to power steering system itself.
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- #1007 of 1243
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Re: Pulling [robertsmx]
by varmint
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Feb 07, 2007 (11:13 am)
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Replying to: robertsmx (Feb 06, 2007 2:38 pm)
Not quite sure what you meant when you wrote, "a function of the DBW system". Are you suggesting the term torque-sensing steering refers to manipulating the throttle rather than the steering? That would be incorrect.
In don't have a link handy, so read up on the 2nd gen TL and TL-S. The base model used a speed-sensing design, while the Type S got torque-sensing. With a little digging, you may find a better explanation of the difference between the two designs.
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