[Healeys] Rear main seal

John Vrugtman javrugtman at htcnet.org
Fri Feb 21 16:01:10 MST 2014


All the rear seal kits I know of use a split seal, like" 
http://www.bighealey.co.uk/content/crankshaft-rear-seal-conversion


On 2/21/2014 5:47 PM, BJ8Healeys wrote:
> Hello, Healeyphiles -
>
>   
>
> The engine flywheel bolts to a flange on the rear of the crankshaft.  Is the
> flange removable, and if so, how?  The parts manual illustration would
> suggest that it's machined as an integral part of the crankshaft.
>
>   
>
> I have my gearbox out to fix that overdrive slipping problem I mentioned
> earlier, and as long as I have it out I thought I should probably change the
> clutch.   For some time I've had a moderate to severe chatter ("judder"?)
> when trying to reverse the car up after the engine has warmed up (no
> chattering until then, and there are 80,500 miles on the clutch.
>
>   
>
> Well, one thing always leads to another.  As long as the clutch and flywheel
> are off the car, why not replace the rear main seal?  It has 80,500 miles on
> it, too.   But the rear main seal is a solid circle, like a typical wheel
> oil seal, and so is the housing that retains it at the back of the engine.
> I don't see any way to replace that seal without removing the flange first.
> Has anyone done this before?
>
>   
>
> By the way, the clutch disk still looks new, except that it does have a
> narrow dark ring in the center of the friction material.   That's probably
> burning from trying to slip the clutch gently when the chattering starts.
> There is more of a greasy film on the pressure plate than I would like to
> see, too, which may explain the chattering.
>
>   
>
> Thanks, and Happy Healeying!
>
>   
>
> Steve Byers
>
> HBJ8L/36666
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC


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