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Old 12-21-2001, 09:56 AM   #1
Radio Flyer
Scooby Specialist
 
Member#: 374
Join Date: Oct 1999
Chapter/Region: SWIC
Location: Albuquerque, NM
Vehicle:
'98 2.5 GT Wagon
Rio Red

Question Problem, or, 'Don't do that'?

I've noticed a couple times, no, I don't do it or feel it often, that when turning with the wheel at full-lock (left -- haven't tried right), that the car bobs and lurches as though the front right tire is flat and buckling. This occurred in the parking lot at my grocery store.

First time I felt it, I actually jumped out of the car to check the tire - which, of course, was fine.

I figure that what is happening is that the u-joint/CV-joint is being forced to move at it's maximum angle, pushing the suspension up and down.

My question: Is it likely that something is broken/breaking, or should I just not do that (turn at full lock)?

TIA,

  - Eric
    '98 2.5 GT Wagon - Pics - Page -
    ICQ #: 9292601
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Old 12-21-2001, 11:19 AM   #2
francophile
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Member#: 8666
Join Date: Jul 2001
Location: Pennsylvania
Vehicle:
2005 STi
Crystal Gray

Default 'Problem'

It almost sounds as though you have a LSD in the front, or a locker diff, but I doubt you have either of those; you would have had to add them yourself. Barring that, something in the suspension is binding. Perhaps a strut, maybe CV joint. I'd definitely have it looked into the next time the car is in for service. In the meantime, 'don't do that'

Cheers,
-wdb
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Old 12-21-2001, 02:45 PM   #3
subyspeed2
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Member#: 10914
Join Date: Oct 2001
Location: Altoona, PA
Vehicle:
1992 legacy turbo
black

Default

i've noticed the exact same thing a few times. really worried me(feels kinda like you're about to run the wheel right over) and i quit 'doing that' as much as possible. if you find out why yours does it please let me know.
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Old 12-21-2001, 02:56 PM   #4
nuburu2
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Member#: 2609
Join Date: Oct 2000
Location: Roseville, Ca, USA
Vehicle:
98 BK-GT White
'97 SVX Ebony Pearl

Default

Sounds like the viscuous coupling is allowing the rear wheels to "over-ride" the front ones just a tad. If you've ever driven a 4WD vehicle on dry roads this would be most familiar to you, as the rear diff, with no slippage, runs forward, pushing through the front tire/wheel which is at an angle, and moving forward at lower relative speed. This is never noticed in mud and snow with the road surface allowing things(tire contact) to slip 'n slide. The viscuous coupling(on MT cars) and the 4EAT (on autos) allows some loss of forward momentum at the rear(effectively lowering the gear ratio) when this occurs in our AWD cars, thus allowing efficient use of AWD on dry roads. Hope that makes some sense.

Something you may wish to discuss with a Subie tech to determine the degree of severity and whether or not it's really a problem.

Glenn O
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Old 12-21-2001, 10:24 PM   #5
JoeT
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Member#: 3956
Join Date: Feb 2001
Location: Toronto, Ontario, Canada
Vehicle:
2000 Turbo Legacy GT
Titanium

Default

Hi Radio Flyer,

If your car is automatic, the center clutch pack may be siezed. This happened once on my friends 97 Outback LTD and Subaru replaced it under warranty.

One of the causes for failure is too much difference in tire diameters between the front and the rear tires. I warned him, cheap b-terd, used a mix of tires same size, but not the same brand.

Hope this helps.
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