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Topic: 24v cats (Read 1033 times) |
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python9
Full Member
1997 24v ghia saloon
 
Posts: 241
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i replaced the offside cat with no problems got the studs out of the bust cat none of them snapped but now i have a major headache i snapped studs on the nearside cat while replacing it and ford dont have new ones they say they come as part of the cat already screwed in and the studs are not available to buy seperate i bought both cats from buyparts with no studs screwed into them for connecting up with the manifolds where can i get the studs to get my scorp back on the road
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amigafan2003
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I'm a YaBB newbie!
Posts: 972
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Re: 24v cats
« Reply #1 on: May 8th, 2009, 12:03pm » |
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Don't bother with the studs, just double nut and bolt it (use two nuts - lock the first one off with the second). Just drill out the studs if you snap them on the manifold side.
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martin_rowe
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I love YaBB 1G - SP1!
Posts: 879
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Re: 24v cats
« Reply #2 on: May 8th, 2009, 1:26pm » |
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any good exhaust shop or garage should have M10 exhaust studs on the shelf.
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python9
Full Member
1997 24v ghia saloon
Posts: 241
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Re: 24v cats
« Reply #3 on: May 8th, 2009, 9:53pm » |
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replaced the nearside cat now car wont run worth a monkeys i think i have a vacum leak some where and when i did get it started i have gas escape from rear of the passenger side inlet manifold where the throttle body meets the inlet manifold and when i did get it started the i noticed the just after the cat the down pipe was glowing red hot what has happened to beloved scorpio 24v
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: 24v cats
« Reply #4 on: May 9th, 2009, 7:50am » |
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hi there
sounds like you have some sort of blockage in the exhaust, hence the glow.
i'd take the exhaust off and give it a shake.
as for the vac leak, check all the vac pipes around the back of the heads.
hth
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python9
Full Member
1997 24v ghia saloon
Posts: 241
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Re: 24v cats
« Reply #5 on: May 9th, 2009, 8:57am » |
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would the cat damged with the down pipe glowing
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: 24v cats
« Reply #6 on: May 9th, 2009, 9:36am » |
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hi there
the new cat? not really. was only a short time, wasn't it?
cats run at a high temp anyway. ok, they don't like getting too hot (raw petrol in the mix, etc), but as long as it's not for too long, they should be fine.
hth
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python9
Full Member
1997 24v ghia saloon
Posts: 241
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Re: 24v cats
« Reply #7 on: May 9th, 2009, 9:43am » |
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the blockage must be in the cat as it was okay before i changed it didnt have this problem when i changed the offside cat 3 weks ago
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: 24v cats
« Reply #8 on: May 9th, 2009, 9:47am » |
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hi there
if it's glowing after the cat, then it must be the exhaust, i would think. baffles? 
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: 24v cats
« Reply #9 on: May 9th, 2009, 9:49am » |
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hi there
you could take out the rear lambda sensors and try it. if it runs better, then it's the exhaust.
btw, it will be LOUD! 
hth
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python9
Full Member
1997 24v ghia saloon
Posts: 241
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Re: 24v cats
« Reply #10 on: May 10th, 2009, 12:17pm » |
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okay now i have taken both inlets off and removed the throtle body and both cats and the small flexi parts to the main exhaust there no blockage in any of them or the cats i have the down pipes with the cats a shake nothing came out run compressed air through them and through whole exhaust no blockage an i have a question i know where nearly all my vaccum go but iam stumped where one goes it leads from the two pipeson the offside inlet manifold just a short way allong there a two connectors and a extension to the egr at the back of the engine underneath the throttle body iam stumped where this double connection goes onto
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: 24v cats
« Reply #11 on: May 10th, 2009, 3:35pm » |
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hi there
a photo would help lots. 
you'll need to wait on one of the 24v owners seeing this as i don't know the layout of the 24v.
hth
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martin_rowe
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I love YaBB 1G - SP1!
Posts: 879
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Re: 24v cats
« Reply #12 on: May 11th, 2009, 8:45am » |
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sounds like a wiring issue, ie injector trigger side to earth causing injector to inject continuously, excess fuel will burn in cat causing cat & pipe to glow.
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python9
Full Member
1997 24v ghia saloon
Posts: 241
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Re: 24v cats
« Reply #13 on: May 11th, 2009, 11:19am » |
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okay put put both inlets back on and when connecting the vacum pipes bsck up i broke the small end of the t piece that joins from the bigish hoses to a smaller diamiter rubber pipe to ones that connect to the inlet manifolds the t-piece is bigger than standart size with a stanterd piece coming of it to fit the smaller diamiter vaccum where would i be able to get hold of a new one anyone that has had the inlets of will know the vaccum layout under neath the throttle body
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tlundkvi
Full Member
Ex. Scorpio 2.9 24V -95
Posts: 909
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Re: 24v cats
« Reply #14 on: May 12th, 2009, 7:21am » |
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on May 11th, 2009, 11:19am, python9 wrote:| okay put put both inlets back on and when connecting the vacum pipes bsck up i broke the small end of the t piece that joins from the bigish hoses to a smaller diamiter rubber pipe to ones that connect to the inlet manifolds the t-piece is bigger than standart size with a stanterd piece coming of it to fit the smaller diamiter vaccum where would i be able to get hold of a new one anyone that has had the inlets of will know the vaccum layout under neath the throttle body |
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Exactly that piece was broken when we were fault finding. You will get one from Ford, or you go to a general purpose car spares/hobbyist-style store and get one. I think it was 8mm x 2 and 5mm x 1 in the T-joint (or as a Y joint, any will do). You could also do it with a pieace of 8mm hose and 8->5mm adapter (someone verify the sizes). It should not prevent the car from running, but emissions was worse before it was fixed. Replacing is a pain, you need to take out the middle piece of the inlet manifold to see/reach it.
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