[DeTomaso] Techno question: a fine mess
marshall smith
marshallgsmith at sbcglobal.net
Wed Oct 7 16:46:52 EDT 2015
Rub some paraffin (wax) on the belt. You know instantly it that's making the noise.
--------------------------------------------
On Wed, 10/7/15, Mike Drew via DeTomaso <detomaso at poca.com> wrote:
Subject: Re: [DeTomaso] Techno question: a fine mess
To: cengles at cox.net
Cc: detomaso at poca.com
Date: Wednesday, October 7, 2015, 11:05 AM
In a message dated
10/7/15 6 01 58, hoppe1 at cox.net
writes:
>
I installed the back
up stock alternator. I
tested the
> engine at idle
and I am crushed that the noise is still there.
> So....the noise
is from one of the belts or from the idler
pulley.
>>>Right. You'd be amazed
at how noisy a perfectly good-looking belt
can be.
Belts are cheap and consumable; those
living in an enclosed engine bay
like the Pantera's don't benefit from
airflow as they do in a
front-engined car, so probably have a
shorter effective lifespan. You
rarely get access to the front of the
engine, so now is probably a good
time to change them anyway.
The idler pulley bearing can make one hell
of a racket. You can buy a
replacement bearing, then press (or have a
machine shop press) the old
bearing out and the new bearing in.
But the bearing is expensive, and
labor adds further to the cost.
Your local NAPA auto parts store has a
replacement pulley with bearing,
ready to bolt on, that costs less than the
cost of just a replacement
bearing for your old pulley. It is
slightly larger in outside
diameter, but otherwise functions
identically and allows the use of the
same-size belt.
Part number is Duralast 231036. Cost
is about $13-15 if memory serves,
while just a replacement bearing for your
old pulley is more like $25,
and you haven't started paying machine
shop costs.
Changing the belts first will determine if
you need the pulley. If you
don't, just return it. And if you
do, have it in your hands and
install that next.
There, you fixed it. :>)
Mike
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