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Question on rear axle????

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Question on rear axle???? #1
Soling2003 Gary M Pahoa, HI, USA Sign in to contact 1969 MG MGB MkII	Topic Creator (OP) Apr 30, 2017 08:22 PM Top Contributor Joined 10 years ago 1,838 Posts

I have a "69 roadster. Was taking apart the rear axle to put on new thrust washers. Pretty easy to get apart, but I have a question.

The thrust washer on the planetary gears that go on the half axle, was brass, or at least looked like brass. The replacement was a fiber washer like I have read about, and just a bit thicker, which was good. Is that normal for the original thrust washer to be brass?

Thanks,

Gary

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Re: Question on rear axle???? #2
ghnl Eric Russell Mebane, NC, USA Sign in to contact 1961 MG MGA "Calvin"	Apr 30, 2017 08:24 PM Top Contributor Joined 12 years ago 12,764 Posts

The original thrust washers were bronze. They are much longer lasting (thus preferable).

see: http://www.mgaguru.com/mgtech/rearaxle/ra109a.htm

Eric Russell ~ Mebane, NC
1961 MGA #61, 1981 Alfa Romeo GTV6, 1984 Alfa Romeo Spider, 1991 Honda ST1100

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Re: Question on rear axle???? #3
Soling2003 Gary M Pahoa, HI, USA Sign in to contact 1969 MG MGB MkII	Topic Creator (OP) Apr 30, 2017 08:40 PM Top Contributor Joined 10 years ago 1,838 Posts

Thanks Eric. Bronze it is. But it is a tube type 69 axle with the bronze thrust washer. It is the original wire wheel axle. Is it normal to have the bronze washer on the newer style axle or was it possibly replaced with a bronze washer at some time? At least I know that the fiber washer is ok to replace it with. It is much tighter in the gears now, so that is good.

Gary

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Re: Question on rear axle???? #4
captray36 Ray Mayo St Augustine, FL, USA Sign in to contact 1969 MG MGB MkII "The B"	May 1, 2017 12:01 PM Joined 8 years ago 88 Posts

Gary,

When I did my differential there were no thrust washers on the axle.
I believe the originals were fiber and wore away. I tried to source some bronze ones so
this wouldn't happen again but no luck, so I went with the phenolic ones from Moss.

Ray

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