les
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 posted on 3/11/06 at 06:50 PM |
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cambelt problems
Hi chaps,
I am starting to prepare the ening for my
tiger avon,
its a 2L zetec. Im changing the cambelt
but cant get the crankshaft pulley off,
the bolt wont move-anyone got any ideas?
help appreciated!!
Les
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stevec
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| posted on 3/11/06 at 06:55 PM |
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Welcome to the forum Les.
Apply more force is the simple answer. Securely hold the flywheel and use a long break bar with a quality socket.
Steve.
[Edited on 3/11/06 by stevec]
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DIY Si
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| posted on 3/11/06 at 06:56 PM |
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I believe that bolt is done up (V)FT. Just hit it harder. 
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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MattCraneCustoms
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| posted on 3/11/06 at 06:57 PM |
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i guess you've locked the flywheel off or whatever? Try getting a long piece of box section and putting it on the end of the spanner to get more
leverage, that should loosen it
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zetec7
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| posted on 3/11/06 at 06:58 PM |
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BE CAREFUL! Those bolts are brittle - my mate broke his off inside (although the remains spun out with his fingers once the head broke off, and a
replacement from Ford was cheap...). Try using a box-end spanner, and rap the head of the bolt with a hammer while you try turning it out.
I shouldn't be that difficult...mine came out quite easily once I cracked it loose. Silly question - you are turning it counter-clockwise,
right?
http://www.freewebs.com/zetec7/
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les
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| posted on 3/11/06 at 07:05 PM |
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Hi guys thanks for the replies,
yes turning anti-clockwise,
tried using a long breaker bar, the socket actually broke up!!
I was thinking that I must be missing something. Will buy a new socket tommorow having soaked it in wd40 overnight.
as you say, am worried it might strip or break off leaving my in real trouble!!
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rusty nuts
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| posted on 3/11/06 at 07:09 PM |
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Where abouts are you? You may be near a forum member that has a decent air wrench and impact socket . Must have done loads of Zetec timing belts and
have never had a problem getting one undone. Might be worth taking your engine to your local garage , they should be able to undo it in seconds .
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les
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| posted on 3/11/06 at 07:16 PM |
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Hi,
Im near brighton,
i have the engine on a trolley, so could be an option, but if anyone is nearby help would be much appreciated!!
Les
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big_wasa
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| posted on 3/11/06 at 07:21 PM |
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As Above, If you where nearer I would do it for you. DONT use the cam locking tool . make a Y spanner to hold the pullys.
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les
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| posted on 3/11/06 at 07:27 PM |
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Hi,
At the moment I have the old automatic
flywheel, wedged with a large screwdriver through the hole where i have removed the crank position sensor housing.
as you say suprising as all the other engine bolts have been relatively easy.
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ch1ll1
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| posted on 3/11/06 at 07:40 PM |
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try hitting the crack bar whilst trying to undo the bolt ( some time the shck can help it)
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smdl
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| posted on 4/11/06 at 07:55 AM |
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I did mine a couple of weeks ago, and stretched a standard socket, as well. I then switched to an impact socket with a standard 1/2" ratchet,
and that did the job nicely.
Keep working at it -- you'll get it.
Shaun
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t.j.
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| posted on 4/11/06 at 08:09 AM |
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hit it!
U must try to "break" the 32 mm bolt.
Anti clockwise,
Air-tool or 2 kg hammer must do the trick.
I won't work to "unlosing" it by turning with a big pipe or so. It goes to slow which can cause that you really break to bolt just
in the tread
[Edited on 4/11/06 by t.j.]
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les
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| posted on 4/11/06 at 12:04 PM |
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thanks guys will post the result tonight!!
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les
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| posted on 4/11/06 at 11:15 PM |
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Ok guys,
bolt removed!! hit bar with hammer- that did it.
next problem is with cambelt. I followed haynes manuel to the letter, have some problems..
it was very difficult to get the camshaft alignment tool into the two camshafts, once eventually lined up, i swapped the cambelt. then rotated the
crank through two turns as stated to check the belt
problem is there seems to be a slack point in the belt- tension seems fine until just before reaching the crank pulleyt marks- then a slightly
slacker point appears between the two camshaft toothed pulleys.
anyone had this or have i messed up!!
Les
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rusty nuts
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| posted on 5/11/06 at 09:02 AM |
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Do you have a small spring on thje tensioner? Early Zetec engines didn't have one fitted , they should be modified when changing belt . Also
how are you tightening the camshaft pulley bolts? are you using a cam holding tool ? you may find it's not long enough so that cam and pulley
are turning slightly when cam bolt is torqued up ? that would alter tension on belt . DO NOT use cam timing tool to hold cam when torqueing bolt ! cam
will break !HTH
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