| [ Total Views: 712 | Total Replies: 2 | Thread Id: 92456 ] |
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 clinker42
Officially Full-On Dubber
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| posted on September 3rd, 2011 at 02:33 PM |
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Rear main seal
Gents
Has anyone ever had an issue where the outer lip on the rear main was chewed out.
I just had the engine out to do the dual carbs and a better clutch and pressure plate and thought i would just check the seal while was out.
When i pulled the flywheel off i found pieces of seal, i pulled the seal and the outer second lip is chewed out. I measured the distance that part of
the seal run against the flywheel and its running rightbin the middle of the radius on the flywheel, i checked end float and thats ok.
Just wondering if anyone has seen that before, plus who has a seal i can come over and get now lol.
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68AutoBug
A.k.a.: Lee Noonan
Aircooled Master
Beetle Restorer - Experience over 138% - YIKES --
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 posted on September 3rd, 2011 at 03:37 PM |
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Firstly No One knows Your Location
Please fill in Your Location...
the seal needs to be pushed further into the block...
the Genuine VW Tools are stepped to push the seal in past the end of the case...
EVERY VW parts shop would have a spare...
just about every VW owner who works on their engine would also have a spare....
LEE
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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grumble
Son of Jim - Creator of Good
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| posted on September 3rd, 2011 at 06:40 PM |
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Sometimes when the case is line bored the main bearing flange is skimmed to fit to the case allowing the seal to run too far forward (ie on the
radius) and thus distorts the seal and prematurely wears it. in extreme cases we have had to remachine the radius and rear of the flywheel to get
around the problem. As Lee says the seal is recessed when fitted correctly.
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