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fordpop
Joined: 23 Aug 2011
Posts: 18
Location: Devon
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 Posted: Mon Apr 23, 2012 9:25 pm Post subject: Transmission whine - is it terminal? |
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I have recently added a rather nice Humber Sceptre Mk II to my motley (but now nicely balanced...) collection of old vehicles.
It drives very well, albeit with rather less oil pressure than one would ideally like - but that's another story.
My main concern at the moment is the very noticable whine, that I presume is coming from the back axle.
Can anyone with experience of these matters, please advise me if this is likely to be a terminal condition and what options I might have, starting with the least expensive... Many thanks.
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Alan
1957 Ford 103E Popular
1926 Austin 12/4 Clifton Tourer
1966 Humber Sceptre MkII |
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Phil - Nottingham
Joined: 01 Jan 2008
Posts: 1252
Location: Nottingham
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| Posted: Mon Apr 23, 2012 9:43 pm Post subject: |
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They do whine when worn but also when low on oil or its too thin - drain it to see what is in it then refill with Hypoid 90
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fordpop
Joined: 23 Aug 2011
Posts: 18
Location: Devon
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| Posted: Mon Apr 23, 2012 9:48 pm Post subject: |
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Thanks Phil - that will be my first course of action then
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Alan
1957 Ford 103E Popular
1926 Austin 12/4 Clifton Tourer
1966 Humber Sceptre MkII |
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Jim.Walker
Joined: 27 Dec 2008
Posts: 1229
Location: Chesterfield
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| Posted: Tue Apr 24, 2012 11:47 am Post subject: |
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A "whine" can be wear of the pinion or crownwheel teeth, in which case new gears are needed.
But it can be caused by incorrect meshing. Resulting from incorrect setting up (meshing or pre-load) or just bearing wear.
If the cause is incorrect meshing, for whatever reason, it will result in gear tooth damage if left too long. so that a new crownwheel and pinion will certainly be necessary.
Jim.
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Quote from my late Dad:- You only need a woman and a car and you have all the problems you
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peter scott
Joined: 18 Dec 2007
Posts: 7118
Location: Edinburgh
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fordpop
Joined: 23 Aug 2011
Posts: 18
Location: Devon
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| Posted: Tue Apr 24, 2012 7:33 pm Post subject: |
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Peter, thank you for that - very informative and encouraging. I may well be tempted to have a go.
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Alan
1957 Ford 103E Popular
1926 Austin 12/4 Clifton Tourer
1966 Humber Sceptre MkII |
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peter scott
Joined: 18 Dec 2007
Posts: 7118
Location: Edinburgh
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| Posted: Tue Apr 24, 2012 10:18 pm Post subject: |
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Hi Alan,
My old SS was probably rather easier to adjust due to nuts and lock nuts rather than the shimmed adjustment that I suspect your Sceptre will have but if you can take out any bearing slackness and restore correct crown and pinion meshing I think you'll find it a very satisfying job.
I've probably added a further 20k miles since I adjusted mine and have had no sign that things are reverting to my old growly/whiney axle.
Peter
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1939 SS Jaguar 2 1/2 litre saloon |
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