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Author Topic: Urgent Crank Seal Question (Mark or Matchless?)  (Read 4675 times)

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JamesV6CDX

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Urgent Crank Seal Question (Mark or Matchless?)
« on: 25 June 2007, 20:16:18 »

Right.. got the old gloves on after work today, decided to make a start stripping down, to get to the crank seal.

Fair play, getting that crank pulley centre bolt off was a NIGHTMARE!! Tight as a ducks doo-da..

Anyhow, following various bodges at locking the flywheel - it's off.

I have stripped it all down. Set the engine to TDC, and locked the cams. Removed the belt. Then I undid the bolt, and gently prised off the pulley.

Here comes the problem.

When I removed the pulley, there was a small bit of metal in it. This bit of metal, looks like it's come off the inside of the pulley.

Now, I cannot see how the pulley locks on to the bit coming out of the crank. There is like a cut-out in the crank, but no way for it to lock onto the pulley?

HELP!!!!! Surely there must be a way, for that pulley to only go back in one position?

Looks like I may need a new pulley..   but saying that, the bit of metal that broke off was extremely small...

Oil seal is definately leaking... but I still need to work out how to get this pulley back on sucesfully, before I can start re-assembling  :'( :'(

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TheBoy

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #1 on: 25 June 2007, 20:19:51 »

I could look it up in TIS, but seeing as you want an answer from MDTM or Matchless....  :-X
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JamesV6CDX

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #2 on: 25 June 2007, 20:20:53 »

Quote
I could look it up in TIS, but seeing as you want an answer from MDTM or Matchless....  :-X

Come on Jaime, Be a Pal, I'm in a pickle :(

;D
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cdx25

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #3 on: 25 June 2007, 20:33:18 »

Quote
Right.. got the old gloves on after work today, decided to make a start stripping down, to get to the crank seal.

Fair play, getting that crank pulley centre bolt off was a NIGHTMARE!! Tight as a ducks doo-da..

Anyhow, following various bodges at locking the flywheel - it's off.

I have stripped it all down. Set the engine to TDC, and locked the cams. Removed the belt. Then I undid the bolt, and gently prised off the pulley.

Here comes the problem.

When I removed the pulley, there was a small bit of metal in it. This bit of metal, looks like it's come off the inside of the pulley.

Now, I cannot see how the pulley locks on to the bit coming out of the crank. There is like a cut-out in the crank, but no way for it to lock onto the pulley?

HELP!!!!! Surely there must be a way, for that pulley to only go back in one position?

Looks like I may need a new pulley..   but saying that, the bit of metal that broke off was extremely small...

Oil seal is definately leaking... but I still need to work out how to get this pulley back on sucesfully, before I can start re-assembling  :'( :'(


Looked it up in my Haynes for you and it didnt say anything more helpful than "slide it back on aligning with the slot" which aint much good.

OK, now I see why you said Mark or Matchless  ;D

TB must be bluffing  ;)
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JamesV6CDX

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #4 on: 25 June 2007, 20:36:13 »

sh!tting bricks at the mo -

1) - because I need the car tomorrow night, and I may need to source a new crank pulley
2) - will I ever get the crank pulley onto the crank again in the right position?! Is it possible for it to be "out?"

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hotel21

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #5 on: 25 June 2007, 20:37:39 »

Not been there on this particular engine but on others, theres normally a Woodruff Key or similar single spline to locate the pulley exactly on what is sometimes a taper shaft.

HtH

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cdx25

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #6 on: 25 June 2007, 20:40:07 »

Quote
Not been there on this particular engine but on others, theres normally a Woodruff Key or similar single spline to locate the pulley exactly on what is sometimes a taper shaft.

HtH


Thats what I was thinking this bit of metal could be...  but Haynes manual is very coy on that and Ive not pulled one of these off myself - at least not on Vx.   MUST be some way of retaining it in the correct position - I dont believe it could possibly rely on bolt tension to hold it in the correct position...
« Last Edit: 25 June 2007, 20:40:51 by cdx25 »
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JamesV6CDX

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #7 on: 25 June 2007, 20:41:27 »

Quote
Quote
Not been there on this particular engine but on others, theres normally a Woodruff Key or similar single spline to locate the pulley exactly on what is sometimes a taper shaft.

HtH


Thats what I was thinking this bit of metal could be...  but Haynes manual is very coy on that and Ive not pulled one of these off myself - at least not on Vx.   MUST be some way of retaining it in the correct position - I dont believe it could possibly rely on bolt tension to hold it in the correct position...

surely not..

I would very much love to see a picture of what the inside o the sprocket should look like..
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hotel21

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #8 on: 25 June 2007, 20:43:16 »

Quote

Agreed.  On some engines, you can adjust the timing mark position by use of offset woodruffs.....  Rare, but out there somewhere....  
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JamesV6CDX

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #9 on: 25 June 2007, 20:43:47 »

Jaime?  ::)  :'(

What does your magic laptop say~?
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hotel21

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #10 on: 25 June 2007, 20:44:37 »

If there is a key then there will be a corresponding slot in the pulley.
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TheBoy

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #11 on: 25 June 2007, 20:46:58 »

pdf emailed....   ....not sure it really helps though  :-/
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JamesV6CDX

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #12 on: 25 June 2007, 20:47:03 »

Quote
If there is a key then there will be a corresponding slot in the pulley.

Thing that's confusing me Brucie, is that there is a slot, in the pulley, and a slot on the crank bit.

And if you line them up, the pulley is nowhere near TDC, which is how I took it off...
« Last Edit: 25 June 2007, 20:51:34 by JamesV6CDX »
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hotel21

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #13 on: 25 June 2007, 20:51:24 »

currently wading through something I don't have......    :-X
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JamesV6CDX

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Re: Urgent Crank Seal Question (Mark or Matchless?
« Reply #14 on: 25 June 2007, 20:52:03 »

Quote
currently wading through something I don't have......    :-X

Thanks a million :y
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