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From: Built_Well on 27 Oct 2007 06:32
What accounts for this schism between shops that
use torque wrenches to tighten the lug nuts of
rotated tires and shops that use impact wrenches
with torque bars to tighten the lug nuts to their
final torque?

Which is better for the customer? Is there a
greater chance of not torquing all 5 or 6 lug
nuts to the same, identical torque when using an impact
wrench with torque stick/bar?

As I mentioned recently, the tech at my Toyota dealer
did not use a torque wrench.

From: Mark A on 27 Oct 2007 13:08
"Built_Well" <built_well_toyota(a)hotmail.com> wrote in message
news:472312f2$0$68445$892e0abb(a)auth.newsreader.octanews.com...
> What accounts for this schism between shops that
> use torque wrenches to tighten the lug nuts of
> rotated tires and shops that use impact wrenches
> with torque bars to tighten the lug nuts to their
> final torque?

Schism? Yes, this is clearly one the major issues facing the world today.


From: Ray O on 27 Oct 2007 16:19

"Built_Well" <built_well_toyota(a)hotmail.com> wrote in message
news:472312f2$0$68445$892e0abb(a)auth.newsreader.octanews.com...
> What accounts for this schism between shops that
> use torque wrenches to tighten the lug nuts of
> rotated tires and shops that use impact wrenches
> with torque bars to tighten the lug nuts to their
> final torque?
>
> Which is better for the customer? Is there a
> greater chance of not torquing all 5 or 6 lug
> nuts to the same, identical torque when using an impact
> wrench with torque stick/bar?
>
> As I mentioned recently, the tech at my Toyota dealer
> did not use a torque wrench.
>

I wouldn't call the difference in techniques or equipment a "schism."

As I've mentioned before, a torque stick needs some skill and attention to
use properly, while a torque wrench requires less skill to use properly.
Torque sticks are relatively expensive, so technicians that don't have a lot
of money to invest in tools are less likely to invest over $300 in a set of
torque sticks if they already have a torque wrench.

It is not necessary to have all of the lug nuts at the same identical torque
because a wheel is not so malleable that a difference of 5 foot pounds will
warp the wheel or brakes. In a production environment, torque sticks in the
hands of someone skilled in their use or a calibrated impact gun will
provide perfectly satisfactory results. For example, when the wheels are
installed at the factory, they are not tightened with a torque wrench.

While technicians should not be tightening lug nuts with an impact gun
without any kind of torque limiting, using a torque wrench or torque stick
should be fine.
--

Ray O
(correct punctuation to reply)


From: Built_Well on 27 Oct 2007 16:54

Ray O wrote:

> While technicians should not be tightening lug nuts with an impact gun
> without any kind of torque limiting, using a torque wrench or torque stick
> should be fine.

Thanks for the reassurance, Ray O. "Auto Upkeep" agrees with you,
saying lug nuts can be tightened with an impact wrench fitted with
a torque stick or a torque wrench.

The tech wasn't using a regular impact wrench/gun. His tool was
electric/automatic but it looked like a silver ratchet
with a long extender bar. Didn't look anything like the regular
impact guns/wrenches, which look like drills.
From: Built_Well on 27 Oct 2007 17:00

Guess what I saw today. An '08 Camry Solara SLE coupe being
displayed in the lobby of Sam's Club. I popped the hood
and saw that the oil filler cap has 5w-20 written on
it /and/ 0w-20.

Some of the Denso parts were made in Japan and other
Denso parts made in Tennessee. The oil pump was
made in Tennessee; couldn't tell where the water pump
located directly below it was made. At least I think
that was the water pump. It had a small hose
running out of it to the radiator and a small
heater hose running into the water pump from the heater core.

The large radiator hoses didn't pass through the
water pump, unlike what "Auto Upkeep" says. Instead the
upper radiator hose went directly to the radiator
from the engine, and the lower radiator hose went
directly from the radiator to the engine.
It seems only the heater core hoses connected
to the water pump, if I'm interpreting things right.
The same setup is in my '06 Camry LE. This differs from
what "Auto Upkeep" says, which is: "The lower hose connects
to the water pump." I wonder if I'm misinterpreting what
I saw.

Anyway, it was a very nice Solara. No plastic
wheel covers. All metal. The rate of tread wear on the
Michelin tires was only rated at 400, unlike my
Camry's 460 ;-)
Well, at least, I got the better tires.

Say, I've scratched the front passenger-side
plastic wheel cover while parking, so I'm thinking
of getting a new set. Do you think I should stick
to the silver color like the originals or change to
the shiny chrome covers? The car itself is
silver (lunar mist metallic). Do you all think
chrome hubcaps/wheel covers would look good
on it? I don't want to drop $30 or $40 and find that
the chrome covers look gauche.
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