More engine servicing questions....
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  1. #1
    1000+ Posts jo proffi's Avatar
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    Default More engine servicing questions....

    I have another scratch my head engine issue, being wear on the rear crank seal face.

    There are two distinct groves on the crank already from the seal.
    What are the options here without taking 900 steps backwards and removing the crank??

    Jo

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    Last edited by jo proffi; 10th April 2011 at 02:08 PM.

  2. #2
    Banned Haakon's Avatar
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    Rough it up with emery paper, take a punt at fitting a new seal with the lip between the existing grooves, and cross your fingers!

  3. #3
    1000+ Posts Beano's Avatar
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    In situations like this, I always try to speak to an old, very experienced mechanic. Why try to reinvent the wheel ? Other people have already been in situations like this. Haakon's suggestion is good, but you're still taking a punt rather than going with a sure thing. Is there a possibility that the lips of a different brand of double-lipped seal will sit in slightly different places ? Perhaps ask a seal distributor ?
    Perhaps you can MAKE them do this by not driving the seal home so far in, but at the same time locktiting it in place so it doesn't come out ? After all, only 1mm will make all the difference.........

  4. #4
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by jo proffi View Post
    I have another scratch my head engine issue, being wear on the rear crank seal face.

    There are two distinct groves on the crank already from the seal.
    What are the options here without taking 900 steps backwards and removing the crank??

    Jo
    Speedi Sleeve

    http://www.vsm.skf.com/en-US/HeavyDu...ediSleeve.aspx


    I assume you can purchase the correct diameter.

  5. #5
    Fellow Frogger!
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    Jo

    Have used these before, the ONLY way to go.
    It then doesn't matter where you place the seal as the surface is SMOOTH.
    Use a metalised filler between crank and sleeve.

    David

  6. #6
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by 85Fuego View Post
    Jo

    Have used these before, the ONLY way to go.
    It then doesn't matter where you place the seal as the surface is SMOOTH.
    Use a metalised filler between crank and sleeve.

    David
    No I have not, but I suspect after the seals I just installed start to leak, I'll be rebuilding with those sleeves.
    If no leaks, I'm a lucky barstool.

    This motor is a real hodgepodge of bits, so I wanted to just get it into the car to evaluate it.
    If it passes the test, I dont mind spending the bucks and time on getting it right, but didn't want to polish the turd to find out I hate it.

    Jo

  7. #7
    Fellow Frogger! PCOATES505's Avatar
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    Default Not on my crank

    Quote Originally Posted by 85Fuego View Post
    Jo

    Have used these before, the ONLY way to go.
    It then doesn't matter where you place the seal as the surface is SMOOTH.
    Use a metalised filler between crank and sleeve.

    David
    You fellas must have different type cranksahfts to all the ones I have seen. On mine there is no way you could get a speedi sleeve past the flywheel mounting flange on the end of the shaft.
    cheers Pete

    I am gunna get another 403 on the road........one day

  8. #8
    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by PCOATES505 View Post
    You fellas must have different type cranksahfts to all the ones I have seen. On mine there is no way you could get a speedi sleeve past the flywheel mounting flange on the end of the shaft.
    cheers Pete
    if you own a real engine like a PRV6 that flange is actually a separate part from the crankshaft

    probably all douvrin engines are the same
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  9. #9
    Fellow Frogger! racing405's Avatar
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    All that means is that those engines are built like a pump!

  10. #10
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by racing405 View Post
    All that means is that those engines are built like a pump!
    Which is what they are, no???


    Jo

  11. #11
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by jo proffi View Post
    I have another scratch my head engine issue, being wear on the rear crank seal face.

    There are two distinct groves on the crank already from the seal.
    What are the options here without taking 900 steps backwards and removing the crank??

    Jo
    Its funny looking back at old threads.
    Since the original post, I have indeed taken the 900 steps backwards and pulled the whole motor to bits.

    Tonight, I discovered the lie....... There is nothing speedi about a speedi sleeve.

    With the crank on the bench, 3 hours has passed since I started the job.
    For starters the nice steel tool provided was too shallow to fit over the end of my crank, which meant drilling a hole in it.
    Not having a 50mm drill bit or a lathe meant drilling a whole series of little holes, punching the middle out followed by some hard yards on the file.
    Then I still had to find another cylindrical drift to hit the first one with , or find a donut shaped hammer.


    Next challenge was the much larger rear seal.
    Maybe I was a bit hasty measuring the bearing and working out the max clearance, but it ended up being 5mm too deep. Sigh...
    How much fun is it working a sleeve by hand.

    In the end I got lazy and did the human lath thing, gently and evenly rotating the seal by hand against the flat facet of the bench grinder.
    Even this took about half an hour as one bite of the grinder could have either pulled the sleeve from my hand and bent it, or bitten too deep.

    Finished it off by hand on a stone and it looks just like a bought one, with nay a nick or scratch on the surface.
    Handy sleeve, but not speedy sleeve.


    Jo

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