Drivetrain

B

Brian Soper

Hi Guys

I have an imported WRX wagon Turbo and when reversing on full lock the
inside rear tyre seems to be scrabbling for grip, it feels like the wheel is
skidding. I hate to ask but is this normal?
 
Brian said:
Hi Guys

I have an imported WRX wagon Turbo and when reversing on full lock the
inside rear tyre seems to be scrabbling for grip, it feels like the wheel is
skidding. I hate to ask but is this normal?
Doesn't sound normal to me. Ensure you have tires of exactly the same
type and size (within 1/2" circumference). If not, correct immediately.
Try some tight circles/figure '8s' in a parking lot. Any
jerkiness/grabbing is likely a symptom of 'torque bind'. not good.

Carl
 
Hi Carl

Tyres are identical. It does seem a bit grabby......I'm reluctant to ask,
but what is torque bind? It sounds expensive!

Brian
 
Brian said:
Hi Carl

Tyres are identical. It does seem a bit grabby......I'm reluctant to ask,
but what is torque bind? It sounds expensive!

Brian
I assume you have a manual tranny. If so you have a viscous coupled
center differetnial. They are less prone to developing torque bind
(failure of the center differential - that is, it behaves as if it is
locked up) than the auto tranniies but it is not impossible. I suppose
it could be something else. Very slight possibility you have a frozen
U-joint or some issue with a brake caliper, CV joint or bearing. My
guess is torque bind. Try searching this newsgroup for 'torque bind' or
over at www.usmb.net .

If it is the center diff. it will need replacing.

Carl
 

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