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From: msrdude on 30 Apr 2010 13:22
So how would I check alignment on my car while driving???
From: Jeff Strickland on 30 Apr 2010 13:48

"msrdude" <kimiga(a)gmail.com> wrote in message
news:a2a73566-2a41-4c6a-85c9-82c9dd86ce11(a)j36g2000prj.googlegroups.com...
> So how would I check alignment on my car while driving???


Caster can usually be tested by making a full turn of the steering wheel,
such as a U-turn or backing out of a parking space and wanting to make your
way down the aisle. If the car requires you to crank the wheel back to
center, I would suggest that the Caster Angle might be too steep, but if the
wheel spins freely back to center, or nearly center, then your caster is
doing what it is supposed to do.

So, go to an open area. Turn the wheel all of the way. Let it go, and start
driving. If the wheel makes no effort to go to the center on it's own, I
would suggest that your caster is near zero.



From: Ray O on 3 May 2010 00:50

"msrdude" <kimiga(a)gmail.com> wrote in message
news:a2a73566-2a41-4c6a-85c9-82c9dd86ce11(a)j36g2000prj.googlegroups.com...
> So how would I check alignment on my car while driving???

A vehicle that is properly aligned will have camber, caster. toe, and thrust
angle within specifications, with tire, suspension and steering components
that are in good condition. Technically, it is not possible to check
alignment while driving, but some settings that are out of spec will cause
some symptoms, like drifting or pulling in one direction, tires that squeal
when going around corners, steering wheel off center, or shimmying or
shaking in the steering wheel.

There are other things that can cause the symptoms you are describing, but
the vehicle has to be on a lift. If the steering rack was ever serviced or
replaced, it might not be properly pre-loaded, the rack ends or ball joints
might have excessive play, the tires may not be properly inflated or have an
uneven wear pattern, or the vehicle's normal steering characteristics might
be different from what you are accustomed to.

My recommendation is to have a dealer service department test drive the
vehicle with you to see if it is working properly or not.
--

Ray O
(correct punctuation to reply)


From: Jeff Strickland on 3 May 2010 12:09

"Ray O" <rokigawa(a)NOSPAMtristarassociates.com> wrote in message
news:hrlkr4$efe$1(a)news.eternal-september.org...
>
> "msrdude" <kimiga(a)gmail.com> wrote in message
> news:a2a73566-2a41-4c6a-85c9-82c9dd86ce11(a)j36g2000prj.googlegroups.com...
>> So how would I check alignment on my car while driving???
>
> A vehicle that is properly aligned will have camber, caster. toe, and
> thrust angle


What's Thrust Angle? Is that the angle that the tires lay over as the wheel
is turned?








From: Ray O on 3 May 2010 12:48

"Jeff Strickland" <crwlrjeff(a)yahoo.com> wrote in message
news:hrmsgd$rjc$1(a)news.eternal-september.org...
>
> "Ray O" <rokigawa(a)NOSPAMtristarassociates.com> wrote in message
> news:hrlkr4$efe$1(a)news.eternal-september.org...
>>
>> "msrdude" <kimiga(a)gmail.com> wrote in message
>> news:a2a73566-2a41-4c6a-85c9-82c9dd86ce11(a)j36g2000prj.googlegroups.com...
>>> So how would I check alignment on my car while driving???
>>
>> A vehicle that is properly aligned will have camber, caster. toe, and
>> thrust angle
>
>
> What's Thrust Angle? Is that the angle that the tires lay over as the
> wheel is turned?
>

Basically, thrust angle is the angle from perpindicular on a vehicle with a
solid rear axle. The angle should be zero; if it is not, the steering wheel
can be off center or the vehicle can dog walk, where the back of the vehicle
is offset from the front because the 4 wheels are not square.

Tirerack.com has a good explanation of alignment terms:
http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=4

--

Ray O
(correct punctuation to reply)
>
>
>
>
>


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