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[LC0112G]

Maybe try and cut a fat washer to shape of cat side and weld... think that be easier....

I don't have welding O level.

[amba]

I still think cutting that knackered flange off then getting a sleeve to suit.It will be a better fit and also easier to assemble all back once in place.

Cant you get a small dremel to cut a slot in the dowel then fold it in on its self and remove

[RobseyMV6]

Maybe try and cut a fat washer to shape of cat side and weld... think that be easier....

I don't have welding O level.

Fair enough, I might have a pair of 3.0 cats if stuck.... 

Hopefully one will come out easy enough.  Sorry 

[STEMO]

Don't suppose you could get a drill in behind that dowel and persuade it out?

[Andy B]

That weighs as much as me

I wish I only weighed the same as the gearbox ..... 

[LC0112G]

Don't suppose you could get a drill in behind that dowel and persuade it out?

That was plan A. Unfortunatley the dowel is hollow, and a bolt goes up the middle of it into a threaded hole. The bolt is M12, and the I/D of the dowel is about 14mm. What that means is the other end of the hole that the dowel fits into is a smaller diameter than the dowel, so you can't just drive/punch it out from the other side.

Plan B was to tap a thread into the inside of the dowel, then insert a bolt with that thread, and pull it out. But I don't have an M16 end tap, my M16 1st tap won't go in far enough to cut a thread, and even if it did I don't think I've got any M16 bolts.

I've tried mole grips , but not surprisingly they didn't work. I've got some M16 and M18 drills, but couldn't find my hand drill - must be here at home somewhere. And working under the car is a bit iffey with an 80+Kg box on a trolley jack, so I think the wretched thing is is going to have to come out again. 

[RobseyMV6]

Maybe a bit of heat on one will help?
Hope you don't need to remove etc....

Maybe a cuppa and come back to it. Time to recharge and chill as I know what I'm like 

[LC0112G]

Cant you get a small dremel to cut a slot in the dowel then fold it in on its self and remove

The dowel goes about 5mm into the hole, and only about 2-3mm is proud of the gearbox. Sure I could slot the 2-3 mm that is proud, but no way to continue that slot inside the hole. I suppose If I cut the slot top and bottom a few mm wide I might be able to insert a flat plate in the slot and try to twist it out. If that fails then I'll just have to drill it out I think.

[Andy B]

.... But I don't have an M16 end tap, my M16 1st tap won't go in far enough to cut a thread, and even if it did I don't think I've got any M16 bolts. ....

I'll probably be able to find both for you at work .... I'll look for you tomorrow if you like. Unless you want to try & get it finished before the Post Office gets them to you

[Doctor Gollum]

You need to free the dowel from the gearbox.

It's an interference fit on the block and a push fit on the gearbox 

Starter for ten would be to heat the gearbox flange and use  grips to remove it.

Failing this, use a hacksaw and notch the flange into the dowel. Again should twist out with grips.

Plenty of plusgas as well.

Trying to remove the dowel from the block will be a hiding to nothing.

[LC0112G]

Thanks all - got the little bastard out...



Managed to rant my M14 tap up the middle of it and then drift it out through the other end of the bolt hole. Perhaps not the kindest thing to do to a tap, but it's only a cheap set anyway.

Gearbox now back on, together with prop shaft and heat shields. Nearly forgot to do up the 6 torque converter bolts  Only remembered when I saw the plastic hole cover lying on the bench. Did an engine oil & filter change too whilst I was under there.

Just the exhaust to sort out now.

[RobseyMV6]

Once all sorted don't forget ATF level check on first start up...

Have all set up ready or use a 12v pump to make easy light work of it...

[LC0112G]

Hmmm. Just been looking at that well known internet auction site so beloved of many on here

Seems like I can get replacement catalytic converters & pipes for about £50 a side delivered. Or I can get "Type Approved" ones for about £125 a side.

Anyone know what the difference (besides £75 a side) between the two is. Do I care if they're type approved or not?

And Yes I realise I'll have to get the lambdas out of the old pipes, or buy new ones of those too. But for circa £100 seems like a whole load of aggro saved.

[Doctor Gollum]

Type approved are road legal...

[LC0112G]

Type approved are road legal...

Source?

5 minutes on google brings up this : https://www.legislation.gov.uk/uksi/2009/1899/introduction/made

My Omega appears to be a “a 220 relevant vehicle” (First used after March 1st 2001)

However, https://www.legislation.gov.uk/uksi/2009/1899/regulation/4/made and https://www.legislation.gov.uk/uksi/2009/1899/regulation/5/made go on to state

(2) This regulation does not apply in relation to a replacement catalytic converter which is of a type that was approved before 31st October 2002.

Well, the car was manufactured in 2000, and sold in 2001 so the cat's must have been type approved before 31 Oct 2002?