Snapped Manifold bolts :(

[bmouthboyo]

Is there any way of stoping the crank and immediate from moving when i take the belt off the cam sprocket?

Also in terms of timing is it as simple as lining the crank and cam sprockets to TDC markings, and then turnign immediate until the rotor arm meets the upper marking, then putting cam belt back on? Sounds too simple lol, why do people use the probe then?

I recently did the cambelt on my mk3 AGG, and the timing markings were all over the place, nothing lined up in terms of the fly wheel and camsprocket, so we ended up just lining the crank up and marking the rest with tip ex and ensuring it was all the same on refitting. So in all not as straight forward as i would have hoped for.

[Ben Lessani]

Is there any way of stoping the crank and immediate from moving when i take the belt off the cam sprocket?

Just mark it up - then you don't need to worry about it turning.

Also in terms of timing is it as simple as lining the crank and cam sprockets to TDC markings, and then turnign immediate until the rotor arm meets the upper marking, then putting cam belt back on? Sounds too simple lol, why do people use the probe then?

Timing gun is for fine tuning usually - if your valve timing is out, a timing gun won't help all too much - the marks wouldn't even be visible.

I recently did the cambelt on my mk3 AGG, and the timing markings were all over the place, nothing lined up in terms of the fly wheel and camsprocket, so we ended up just lining the crank up and marking the rest with tip ex and ensuring it was all the same on refitting. So in all not as straight forward as i would have hoped for.

That's the way I do it usually

[bmouthboyo]

Ok a little progress update...

I applied heat and gave it a good hoseing with GasPlus. The snaped bolt is no longer seized to the inlet manifold and i can slide the manifold up and down the bolt freely, however i do not have the clearance to slide it off the 2 inch long bolt.

Is there a cutting tool, similar to a cheese cutting wire (bare with me) that i could get behind the manifold to cut that bolt. I know the bolt is not seized in the head because it would turn when it was seized to the manifold and i tried twisting it.

I know its not ideal and i would have to be careful not to damage the head, but it would save removing the head.

Cheers

[Ben Lessani]

Could just use a hacksack blade ..

[bmouthboyo]

i could get the blade down there but i dont have the room with the exhaust manifold on to add the handle etc.

Its very tight behind there

[Ben Lessani]

I don't mean add on the handle - just use a standard 12" hacksaw blade and cut away. It will take a while without a handle - but it would do it.

[Diamond Hell]

TAKE THE HEAD OFF!

[bmouthboyo]

Thank the lord, the Exhaust manifold is Off!!!!





The trick seemed to be heat from my new burner (thanks danny) , some plus gas and a bit of welly from my mole grips and smaller sockets. Still tight but they give way apposed to snapping.

My new problem is now sourcing a manifold that I can use as a replacement, it will need to be pretty much the same dimensions as its tight in there and i want the old down pipe to fit into it.

Problem is this manifold has no part number on it Does anyone know if all other mk2 and mk3 manifolds that are single outlet are orientated the same.i.e. the joint that connects to the down pipe is same dimensions, are they the same angle / pitch etc?

Thanks so much all

[Diamond Hell]

So you want one of these.



But, really you want one of these:



Because there are two outlets, like this:



So it'll breathe twice as well.

I have both of these sitting about......  They're in Bristol.

[bmouthboyo]

Another update...

ok so i have both maifolds off, but now there are 4 studs left in the head that i would like to replace.

Would this kit work...

http://cgi.ebay.co.uk/IRWIN-TOOLS-5p-BOLTGRIP-NUT-BOLT-EXTRACTOR-SET-IRBGE_W0QQitemZ300315577360QQcmdZViewItemQQptZUK_Hand_Tools_Equipment?hash=item45ec340c10&_trksid=p3286.c0.m14&_trkparms=72%3A1683|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50


Would the smallest (8mm) bite the bolt? I do not have anything to measure the diameter with, but the nut was a 12mm i think so im assuming the actual bolt is much smaller.