[ROVERNET - UK] Drive shaft vibration

[Ron Morey]

Greetings all. Another item you may want to check for vibration is to look 
for dints in the driveshaft, of course check the ujoints as well. The 
ujoints can cause a problem if they are seizing or have flat bearings. This 
may not show up unless you unbolt one end of the shaft. Regarding the dint-I 
had a van once that had a very small dint in the drive shaft. There was a 
terrible vibration at 70km/h (40mph). The P6 of course has 3 shafts with 
ujoints. But then Rovers are always 3x the fun.
All the best, Ron.>From: "Slatskars" <slatskars at comcast.net>
>Reply-To: rovernet at lyris.ccdata.com
>To: <rovernet at lyris.ccdata.com>
>Subject: Re: [ROVERNET - UK] Drive shaft vibration
>Date: Fri, 18 Jun 2004 21:59:53 -0700
>
>You can check for out of balance by putting the car on jack stands and
>running it at the vibration speed while someone holds a piece of chalk near
>the suspected problem, such as the drive shaft. If it is out of balance it
>will throw the heavy portion off center and will then leave a chalk mark
>where it is heavy. Put something like a large radiator hose clamp with the
>head opposite this mark and try again. It is actually better to use two of
>them and gradually spread the heads in opposite direction until balance is
>achieved. If nothing else using the chalk on the shaft will give you an out
>of balance or bent indication if that is the problem. If not, then you have
>easily eliminated one item.
>
>Slats
>Vancouver, WA, USA
>
>----- Original Message -----
>From: "Gatrell David" <drnaramata at yahoo.com>
>To: <rovernet at lyris.ccdata.com>
>Sent: Friday, June 18, 2004 4:31 PM
>Subject: [ROVERNET - UK] Drive shaft vibration
>
>
> > Rovernetters
> >
> > A few months ago there was an address on this net for
> > a paper on vibration diagnosis which I printed.   My
> > car has a vibration and today I took off the back
> > wheels and drums and ran up to the vibration speed as
> > was suggested.   There was enough vibration to shake
> > the steering wheel.   Can any netters suggest how I
> > can check the angles of the u-joints without an
> > inclinometer?
> >
> > All suggestions will be welcome.  Thank you an
> > advance.
> >
> > David Gatrell
> > 1965 P-5 MkIIc
> >
> >
> >
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