[ROVERNET - UK] more on shaft vibration

Ron Morey morey814 at hotmail.com
Sat Jun 19 23:44:13 BST 2004

David, did the vibration show up right after changing the engine and 
transmission position? The yokes should be in line with each other, that is 
normal on most cars anyway. If you put the car in neutral when the vibration 
is present does it still occur? If so, check for a bent rim on the front. 
That's all I can think of for now.
All the best, Ron.
>From: Gatrell David <drnaramata at yahoo.com>
>Reply-To: rovernet at lyris.ccdata.com
>To: rovernet at lyris.ccdata.com
>Subject: [ROVERNET - UK] more on shaft vibration
>Date: Sat, 19 Jun 2004 11:33:54 -0700 (PDT)
>Thank you for your answers to my enquiry.   The
>bearings do not have any play that I can feel.   Chalk
>marks on the shafts at an indicated 30 mph go all
>around the shafts and that is the speed where the
>steering wheel shakes most.   At engine idle speed the
>front of the front shaft has a high spot.   The rear
>shaft has high spots at each end and they are about 90
>degrees apart.   The centre bearing looks O.K. and
>Can anyone tell me if I did a bad thing when I changed
>the automatic transmission fluid.   The rear
>transmission mount had to come off to get the pan off.
>  When I tried to reinstall the mount the transmission
>was nearly half an inch too high and I could not see
>why.   To get it down I put shims under the two front
>engine mounts.   That got the transmission mount in
>place but the rocker cover touched the heater box.
>So now there is just under 1/8" of shims under the
>front mounts and just over 1/8" of shims above the
>transmission mount.   I wonder if that is enough of a
>change to cause the vibration?   Also.   Is it normal
>for the yokes on the front drive shaft to be at 90
>degrees to each other?   The manual I have shows them
>in line.
>Again - all suggestions will be welcome.   Thank you.
>1965 P-5 Mk IIc
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