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Author Topic: Sodding oil leak  (Read 6080 times)

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Nosebolt

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Sodding oil leak
« on: April 05, 2009, 04:55:48 PM »
As posted in “workshop” I have just changed the rear main crank oil seal, like for like i.e. a single bladed seal. After 50 odd miles the leak is back just as bad :evil:  now the old seal was so hard it could have been made of metal so I was wondering could it have grooved to crank? Also I have read about 2 bladed seals, anyone know where to get a set from?

Or is there somewhere else the oil could be coming from? Its not the rocker cover that’s dry.
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isle of man

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Re: Sodding oil leak
« Reply #1 on: April 05, 2009, 05:50:52 PM »
Have you checked the PCV is not blocked? Thats if you have have one!!! not sure on your engine.
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Nosebolt

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Re: Sodding oil leak
« Reply #2 on: April 05, 2009, 05:56:23 PM »
there wasn't one fitted when I got it but did order and fit when I got seals, but not sure its fitted right as.

PCV is in rear gromet on rocker cover with a vacume pipe from inlet manifolt to small side of T piece, and the larger side of T seald shut (it is air tight). on front gromet I have a mini 'K&N' type filter, not into main air filter as no where to fit it.
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isle of man

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Re: Sodding oil leak
« Reply #3 on: April 05, 2009, 06:03:21 PM »
Your description appears to be correct - did you check for "crank end float" when fitting the seal? And have you checked when hot also? I'm guessing here but worth a long shot...
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Nosebolt

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Re: Sodding oil leak
« Reply #4 on: April 05, 2009, 06:12:07 PM »
job was done over a few days so cold while apart, and didnt check endfloat.

should I be able to feel a vacume while running say by putting hand over open oil filler hole, cos I cant.
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isle of man

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Re: Sodding oil leak
« Reply #5 on: April 05, 2009, 06:25:37 PM »
No pressure/vacuum is a good sign - you can check the "end float" from the front pulley....
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Panic mechanic!

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Re: Sodding oil leak
« Reply #6 on: April 05, 2009, 06:29:49 PM »
did you lightly oil the seal before you fitted it?, is it in 100% square? will I tell you where my scrambler is hiding? :wavefinger: ,not sure about this last one but is there an o ring in the flywheel side of things ( there is on a vw and I know so many people that changed crankshaft seals only to find it was the '0' ring in the flywheel thats the problem....
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Nosebolt

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Re: Sodding oil leak
« Reply #7 on: April 05, 2009, 06:47:18 PM »
Quote from: "isle of man"
you can check the "end float" from the front pulley....

cool, thats a job for tomorrow, thanks, what sort of end play is aceptable?

will report back when checked
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