[ROVERNET - UK] gear selector arm

roger matheson rogerdm at iprimus.com.au
Thu Aug 19 13:23:00 BST 2004

I am puzzled by the buzzing because none of my cars ever had that problem.
If it goes away when you rest your hand on the lever then the source must be
in the assembly on top of the gear box tunnel.  If it was to go when you
pushed the lever in one or other direction then you might suspect the
selector lever, one of its rubber mounts or a spider inside 'er. etc.  If
there is a gap between two metal surfaces then the gear stick may be picking
up vibration and amplifying it.  Why not take the assembly apart and see if
there is any evidence of such a gap or signs of polishing on ajacent
surfaces.  I note from the manual that there are various neoprene sponges in
this assembly to seperate metal parts and maybe one has worn to allow metal
on metal contact.  Perhaps you migh re assemble it with a smear of silastic.

A bloke had a buzzing his ears, and after much medical testing etc he was
told that he had 3 months to live.  "Go and arrange your afairs and enjoy
the rest of your life" said his doctors.

So he did, spent a fortune on trips, cars, loose women, drink etc etc.  With
his last 50 he decided that he would have a good suit specially made for his
last day on the planet.

Well the tailor meansured this and that as they do and measured his neck for
a shirt "16 inches" he said writing in his order book.  "No" the man said "I
have always had 15". "Well" said the tailor, "If you have been wearing 15
inch necks you will get an awful buzzing in the ears"

Cheers roger
----- Original Message -----
From: "Michael Pellow" <mp349 at ww.co.nz>
To: <rovernet at lyris.ccdata.com>
Sent: Wednesday, August 18, 2004 11:56 AM
Subject: Re: [ROVERNET - UK] gear selector arm

> .
> > >Thanks for the great response!  Upon further thought, I am becoming
> > >convinced that my problem lies in the adjustment, not in the ball.
> > >FWIW, the car has had a VERY loud buzzing noise from the gear stick
> > >for as long as I can remember - it goes away if I rest my hand on
> > >the gear knob.
> >
> I have had a number P6's over the years all with over 100,000 miles on the
> clock and all but 1 with the original  gear lever in them.
> You mention loud buzzing in the gear lever.This may be the cause of the
> rapid decay.
>        Only one of my manual cars has buzzed.This is one of the current
> we own.
> The buzzing was due to drive shaft ballance & cross problems. So far I
> replaced half shaft crosses with a slight improvement ,and the drive shaft
> has had both crosses replaced ,a much bigger improvement .Unfortunately
> expert company who did the job ballanced the drive shaft with the crosses
> aligned and while removing one of the crosses has marked the shaft where
> aligment arrow was so though I took the workshop manual back down to them
> correct the alignment ,I dont think it is quite correct.The vibration is
> much less than it has ever been .Make sure that the tail shaft mount on
> diff is also secure as this can also add to the problem.
> Make sure that the arrows at the splined section are correctly aligned as
> this is a big cause of vibration.In fact it can cause so much vibration
> the handling of the car can be greatly reduced.
> I have also heard that a few years ago there was a batch of spare crosses
> that were defective and out of ballance.
> Another cause of vibration in one car was the  tread on a batch of tyres
> lifting moving sideways causing vibration thru thre drive train.this took
> a long time to find.
> Michael Pellow
> 2x 46 10 HP
>      49 P3 75 6 light
>      59 P4 60
>      62 P4 110
>      65 3ltr Mk II auto Saloon
>      66 3ltr MkII 4 spd Coupe
>      72  P6B S
>      73  P6B S
>      82  2000 SD1 5spd
>      84  3500 SD1 5spd
>   2000 75 Conniseur
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