I had a vibrating BGT before I had the UJ's of the main drive shaft
replaced.
Funny thing was, that the safety test officer did not discover this - hte
next year it was a failure to pass the safety test.
.Cheers,
Hans
'71 BGT
----- Original Message -----
From: "Bob Howard" <mgbob@juno.com>
To: <AGreenberg@aol.com>
Cc: <mgs@autox.team.net>
Sent: Friday, September 30, 2005 10:59 PM
Subject: Re: MGB Wobbles
> Alex,
> That much slack when you turn the entire shaft is probably wear in
> the thrust washers of the rear axle. It's possible that there is wear in
> the splines of the sliding joint, but suspect the thrust washers first.
> If you can grasp the drive shaft, shake it, and feel side-to-side and
> up-&-down motion, that is more likely to be universal joints. Greasing
> the u-joints may give a temporary tightening of them for this shake test.
> You can also grasp the shaft on either side of a u-joint and try to
> twist the parts in different directions. If there is any relative
> movement, drop in at the local auto parts store for u-joints. Cheap and
> nasty to replace.
> Bob
>
>
> On Fri, 30 Sep 2005 16:17:42 EDT AGreenberg@aol.com writes:
>> Folks,
>>
>> I'm trying to track down a problem and I think it is in my universal
>> or diff.
>>
>> Question: How much should the drive shaft move if you are moving
>> it by hand?
>> The car is off, in gear. I got under it and turned the shaft maybe
>> 5 minutes
>> based on 60 for a complete turn. Is that ok?
>> Symptoms:
>> If I'm just starting off it's fine up until about 10 mph. Then it
>> for lack
>> of a better term, it wobbles, sort of like if you have a busted tie
>> rod end.
>> I checked motor mounts and suspension...all seems fine.
>>
>> Any other thoughts?
>>
>>
>> Best Regards,
>>
>> Alex
>>
>> Alex Greenberg
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