Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: markey mark on 29 April 2008, 17:54:27
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and realised crank is 180 degrees out >:( >:( is there any way of turning it without bending valves of the recon heads i have just fitted all cams and cam covers are fitted too >:( >:( please tell me there is a way ????? :-[ :-[
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You need to take the cams and plugs out.....
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I'm sure I did it with a CIH Manta, but there again there were somewhat fewer pistons & valves to play with.
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I'm sure I did it with a CIH Manta, but there again there were somewhat fewer pistons & valves to play with.
Thats was a non interference engine......and the good old chain drive and set the tappets with the engine running job!
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You need to take the cams and plugs out.....
i sort of knew you were gona say that mark !! :-[ :-[
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Ah the joys of putting an engine together then realising you have to strip half of it back down again.
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Ah the joys of putting an engine together then realising you have to strip half of it back down again.
We've all been there. >:( Better than discovering it when you come to start it up.
Kevin
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Lol, I have put all the top end back together without fiting the cam wheels before!
There is something very rewarding about stripping down a problem engine, cleaning it and re-assemblingit into a clean and re-furbished state.......I enjoyed working on TB's 3.0 at the weekend
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I spent hours changing the engine on a Vectra GSI few months ago only to find as soon as I filled it with coolant the thermostat housing was cracked and leaking so stripped most of it down to fix that.
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Hi, Just a thought!
Presuming you don't have the cambelt fitted yet.
As the camshafts turn at half speed of the crankshaft, I would have thought that instead of having to remove the cams and covers again if you could turn camshafts back quarter turn you would be to approx where they should be with the crankshaft in it's present position.
So, If you turn the crankshaft a/clock just a few degrees to get all pistons down in the bores clear of the valves, then turn each camshaft quarter turn a/clock then return crankshaft back to its 180 deg out position, the crank and camshafts should all be in relatively the right positions to each other.
If you then fit cambelt so you can then turn the whole lot together to get crankshaft to its correct position then check / adjust the camshafts exact to their correct positions.
I admit that I have never tried this myself, and I would turn any of the shafts very carefully, but it's worth a try if my theory is correct.
Roger
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The problem is, to time up the belt you still have to rotate the crank through 180 degrees without the cams connected to it. This will bring at least 3 cylinders through top dead centre and some of them will have valves open. The only 100% safe way is to remove the cams so all of the valves are closed while you turn the crank.
There is something very rewarding about stripping down a problem engine, cleaning it and re-assemblingit into a clean and re-furbished state.......I enjoyed working on TB's 3.0 at the weekend
I agree, and I fancied a project like this which I why I'm rebuilding a knackered generator engine at the moment. It's not much fun TBH due to the crank case being made of the finest Chinese Emmental. I should have known what I was up against when I spotted a chapter on helicoiling in the maintenance manual. ::)
Kevin
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well took cams out and spun it round and fitted belt and tensioner kit just waiting for rain to bloody go away then i can put the rest of engine together and away it will go hopefully !! 8-) 8-)
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Lol, I have put all the top end back together without fiting the cam wheels before!
There is something very rewarding about stripping down a problem engine, cleaning it and re-assemblingit into a clean and re-furbished state.......I enjoyed working on TB's 3.0 at the weekend
yes mate its great if it all goes to plan ! :y
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Should be moving along well now though......got the cambelt on ok then?
Sorry, missed your second PM as I was playing footie at lunch.
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Should be moving along well now though......got the cambelt on ok then?
Sorry, missed your second PM as I was playing footie at lunch.
no worries mark got a mate to cast a second opinon on it !! all fitted and timed up just waiting for bloody rain to stop !! ::) ::)
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Just don't have the bad luck that I did, put it all together and wouldn't start turned out the coil pack had given up :(
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Just don't have the bad luck that I did, put it all together and wouldn't start turned out the coil pack had given up :(
already fitted a new one dave :y
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Good lad, was my own fault for being tight ;)
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fired her up tonite runs very sweet !! all the work was worth it in the end !!! ;D ;D now to tidy her up and get in for mot !! happy days !! :y
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;) Very-well done...I bet it`s great to hear the engine singing again! :y
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Debs, I think Mark bought this to fix up (could be wrong) so its the first time the engine has been heard singing?? :)
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Well done Mark.
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Yes well done. Wish I had the noodle to do stuff like that. I know the basics but thats IT!! :'(
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Debs, I think Mark bought this to fix up (could be wrong) so its the first time the engine has been heard singing?? :)
;D....`better yet! :y
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yea bought it as a non runner tensioner faliure !! pair of recon heads cam belt kit and new dispac (thanks to chris) and new set of plugs nad away she went !! jobs a gud n :y
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Its nice getting a dead motor running well again.
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yea bought it as a non runner tensioner faliure !! pair of recon heads cam belt kit and new dispac (thanks to chris) and new set of plugs nad away she went !! jobs a gud n :y
Good lad done that a fair few times meself.
Dave.
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yea bought it as a non runner tensioner faliure !! pair of recon heads cam belt kit and new dispac (thanks to chris) and new set of plugs nad away she went !! jobs a gud n :y
Good lad done that a fair few times meself.
Dave.
got a cdx to start next same thing !! :o
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More fun for you then.
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oh yes keep em coming dave !! ;D