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hotdimmes
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exhaust leak at ypipe<->cat help
#1310559 - 09/01/06 03:16 AM
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So I installed my svt exhaust + svt cat but I didn't put a new gasket on between the ypipe and cat(thought there wasn't one  ) Also I noticed this about the bolts and nuts at the connection:
In the first pic, it looks great, but on the other side, the spring compresses much more yet it seems like the cat doesn't get as close to the ypipe as it should.
I'm going to get the gasket but could this possibly be a source of leakage?
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Chris
Black Ebony/Greystone 1998.5 V6 SE MTX
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BrApple
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I can't recal exactly and can't see the pics at work but without the gasket it might cause the cat to sit funny, think it would definately not seal.
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- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
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CSVT1214
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That gasket is very thick and will fill up that extra space you are getting between the pipes. The gasket is shaped like a donut. Not your typical flat gasket.
It's also ceramic, so don't drop it. 
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Tony
1998 SVT Contour (B/MB) #542 3L
1998 SVT Contour (SF/MB) #1266 parts car
2000 SVT Contour (SF/MB) #1533 3L swap to begin!
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BrApple
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Originally posted by CSVT1214:
It's also ceramic, so don't drop it.
thats is what I thought it was, but didn't recal exactly last night ... it was like $12 when I needed one from the dealer.
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- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family
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hotdimmes
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Will my friendly neighborhood advance auto(i like them better than autozone) have said gasket or should I not bother and call up B to the J? Part numbers anyone? Can't find much info on this searching in troubleshooting.
Edit: lots more info searching in duratec maintanence
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Chris
Black Ebony/Greystone 1998.5 V6 SE MTX
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not sure, you might be able to, like I said I jsut went to the dealer last time and they had one in stock ...
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- 99 Contour SeVT Sport - Duratec/5spd
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hotdimmes
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Originally posted by brapple:
your in luck, I still have my receipt right here from a few months ago when I replaced mine after changing to a SVT cat and a optimized y-pipe, 2-bolt style
part number is
FMC F5RZ9450B list was 16.08 and cost was 13.19
^from another post...thanks brian 
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Chris
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hotdimmes
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Also curious about this...after driving to work(5 minutes) it looked like my passenger side muffler was spitting at me from that little breather hole or whatever right above the tip. It was gleaking at me! Whats up with that? Sorry if this is noobish and obvi but it seemed a bit abnormal to me.
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since the exhaust hasn't been heated up in some time by exhaust gasses it is most likely just water and the like coming out of the exhaust, watch it for a few days and if it doesn't stop then I would be worried, mine always drips after not running the car for a few days
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Originally posted by hotdimmes:
^from another post...thanks brian
forgot that I posted that, but I did recal the reciept last night ...
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- 99 Contour SeVT Sport - Duratec/5spd
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OK, napa appears to show two donut gaskets at different prices:
Exhaust Pipe Gasket - Pipe to manifold
Item#: NGAF17991
Price: $8.49
tax and shipping not included
Attributes:
I.D.:2.962
O.D.:3.710
Width:.539
-----------------------------------------
Exhaust gasket - with manual transmission
Item#: EXH31622
Price: $11.99
tax and shipping not included
---------------------------------------------
So which one is it??
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Chris
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hard to tell from the pics but more like the second one
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- 99 Contour SeVT Sport - Duratec/5spd
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Originally posted by BrApple:
hard to tell from the pics but more like the second one
i take that back, search napa using the Ford part number and you get the NGAF17991
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- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family
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CSVT1214
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Originally posted by hotdimmes:
Also curious about this...after driving to work(5 minutes) it looked like my passenger side muffler was spitting at me from that little breather hole or whatever right above the tip. It was gleaking at me! Whats up with that? Sorry if this is noobish and obvi but it seemed a bit abnormal to me.
Sounds normal to me. There is probably alot of moisture built up inside of it from sitting on my parts car, then sitting before installed on your car.
It should clear up after some driving around.
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Tony
1998 SVT Contour (B/MB) #542 3L
1998 SVT Contour (SF/MB) #1266 parts car
2000 SVT Contour (SF/MB) #1533 3L swap to begin!
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hotdimmes
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I checked my service records and this gasket was replaced about 6 months ago when I had my precats/main cat replaced under the emissions warranty. Do you guys think I really need to replace it or should I just try and reinstall the exhaust? I did bolt it up only after mounting it on all the hangers, which could be pushing it to one side.
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Chris
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you should be ok to reuse it if it is less then 6 months old as long as it is intact, if it isn't sealing well you will know ...
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- 99 Contour SeVT Sport - Duratec/5spd
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