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2000 Nissan Sentra GXE

Tiny
MALISGUY
  • MEMBER
  • 2000 NISSAN SENTRA
Hello,

Is the forward cat converter supposed to have two machine made holes in it? If so, are they supposed to leak exhaust especially when tail pipe is covered up?

2000 Nissan Sentra GXE
52000 miles
1.8 liter
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Wednesday, October 3rd, 2007 AT 3:27 AM

4 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
This is what I show for the front converter:


https://www.2carpros.com/forum/automotive_pictures/30961_conv_1.jpg



I don't see any. There should be a front and rear O2 sensors that would have machined holes, but the sensors would be in them.

There may be plugs that blew out, maybe post a pic?

There definitly should be no leakage.
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Wednesday, October 3rd, 2007 AT 6:02 AM
Tiny
MALISGUY
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  • 3 POSTS
Here is a pic the holes are towards the back part of the cat converter.

Thanks for any info.


https://www.2carpros.com/forum/automotive_pictures/104301_HPIM7123_1.jpg

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Wednesday, October 3rd, 2007 AT 7:04 AM
Tiny
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My best guess is those are for a heat shield attachment points that are bolted on.
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Wednesday, October 3rd, 2007 AT 7:42 AM
Tiny
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Should it have a heat shield on the back of it? (The part between the engine and the cat converter)
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Wednesday, October 3rd, 2007 AT 3:47 PM

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