[Northkeep] Question for the mechanically inclined.

[Amanda Wallace]

btw, I let him know, and he is expecting your call.

Amanda

On Wed, Aug 12, 2009 at 8:49 AM, <Kevinkeary at aol.com> wrote:

> Thanks, Arthur, but I've just crawled under my truck and found nothing I
> can see wrong with either U-joint on the rear driveshaft. There is no
> discernible play in the rear u-joint, rotationally or transverse in any
> direction. There is little if any in the front one. There is a bit of play
> in  the
> rear end itself.
>
> Any other thoughts on what might be causing this? It IS worrisome to say
> the least.
>
>
> In a message dated 8/11/2009 2:09:58 P.M. Central Daylight Time,
> ld.blackmoon at cox.net writes:
>
> greetings
>
> kevin just from the description , it sounds like a  rear u joint going out
> .,
> do you know how to check it ??
>
> Be Safe ,  Be Happy, Have Fun
> Arthur
> ----- Original Message -----
> From:  <kevinkeary at aol.com>
> To:  <northkeep at lists.ansteorra.org>
> Sent: Tuesday, August 11, 2009 12:50  PM
> Subject: [Northkeep] Question for the mechanically  inclined.
>
>
> >I (and the finance company) own a late-model Chevy  Trailblazer, which
> > is sort of like a preppy Jeep. It has settings for  two wheel drive and
> > others I've maybe used once for automatic  four-wheel, four-wheel, and
> > low-range four-wheel drive. This morning  it developed a vibrating
> > noise, with symptoms I've never encountered  before.
> >
> > The noise comes up through the floor in the back,  where the tank (and
> > presumably the fuel pump) and the exhaust system  (the muffler but the
> > catalytic converter should be farther forward,  unless acoustics are
> > doing something funny) and the rear differential  are. But it only
> > happens at fairly high speeds, over twenty miles per  hour maybe, and
> > only when there is no pressure on the  accellerator.
> >
> > It doesn't happen when the cruise control is on,  presumably because it
> > always keeps some positive pressure on the drive  system. It doesn't
> > shake the car or affect its handling or power. The  lightest feather
> > touch on the accelerator stops it, but it starts  again 1 to three
> > seconds after I let off the gas  completely.
> >
> > I would think if it were a blocked catalytic  converter, it would be
> > worse when accelerating, and the same if it  were the fuel pump. It
> > doesn't seem to fit a wheel bearing or a brake  problem either. I
> > worried about a U-joint on the driveshaft, but I  found very little play
> > in the system when I shifted from reverse to  drive and back (while
> > holding the brake with the truck motionless),  and no noticeable 'clunk'
> > sound.
> >
> > Any ideas? Keigan is  driving the vehicle, so if it IS a U-joint going
> > out, I want to know  that and get it fixed.
> >
> > Kevin
> >  _______________________________________________
> > Northkeep mailing  list
> > Northkeep at lists.ansteorra.org
> >  http://lists.ansteorra.org/listinfo.cgi/northkeep-ansteorra.org
>
>
>
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