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How can I tell if My cat is dead? 

 

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 Post subject: How can I tell if My cat is dead?
Posted: Tue Jan 30, 2007 9:33 pm 
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Just wanting to know if there is an easy way to tell if the catalytic converter is dead/ on the way out?

 

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Posted: Tue Jan 30, 2007 9:34 pm 
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if you can here a rattling sound coming from your exhaust like there is something loose in there towards the front, thats a dead give away.
Secondly if it starts to get a bit smoky etc it could be on the way out

 

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Posted: Tue Jan 30, 2007 9:35 pm 
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u can hear rattles while car is at idle or when ur giving it to it, or theres a lack of power if its jamed up with s**t, or theres bits of s**t coming out of the zorst.

 

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Posted: Tue Jan 30, 2007 9:37 pm 
Tyre Shredder
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thanks fellas :D

 

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Posted: Tue Jan 30, 2007 9:41 pm 
Getting Side Ways
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yer at idle it sounds like maybe your exhaust is rattling off a mount or something. like a tinny noise. thats definately your cat

 

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Posted: Tue Jan 30, 2007 9:46 pm 
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nice title mate.... i was gonna say if it aint dead, run over it a few more times :wink:
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Posted: Tue Jan 30, 2007 9:48 pm 
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^twas only a matter of time :lol:

In all seriousness let it fall apart. As long as it's internal who gives a s**t?

 

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Posted: Tue Jan 30, 2007 10:10 pm 
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check for a pulse :P
how many k's you done?

 

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Posted: Tue Jan 30, 2007 10:25 pm 
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Poke it?

 

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Posted: Tue Jan 30, 2007 10:26 pm 
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shnoza wrote:
Poke it?


You poke it....I wouldn't touch it with a ten foot pole.

 

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Posted: Tue Jan 30, 2007 10:38 pm 
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If it stinks then its definitely dead.

 

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Posted: Tue Jan 30, 2007 10:41 pm 
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could always pull it out and give it a shake.. see if anything falls out, the dead ones ive seen plenty falls out of them...

or if you can attempt to shine a torch thru it, see if its blocked up...


-mitch

 

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Posted: Wed Jan 31, 2007 1:07 am 
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Like Mitch said, pull it out and have a look down the guts. If there are sections that appear to be melted, you need a new cat.

Allegedly... you could knock the matrix out with a long half-inch extension bar ( or big screwdriver with a through-shank) and a lump hammer. Then, in theory, you could insert a piece of exhaust pipe through the guts. so that the exhaust gas has a straight shot. If you left the cat empty, the exhaust gas will expand when it hits the open chamber and then flow will be restricted
when it has to find it's way out the back of the chamber.
This is not legal and is offered purely for entertainment purposes. :wink:

Assuming your cat is stuffed, and you want to keep your street car legal, try your local self-serve wreckers. Provided you can see through the matrix (core) you'll be right and it's a helluva lot cheaper than buying new.

Hmmm, that reminds me: I may have an open cat on one of my (Purely offroad, you understand) cars... Better fix that when I replace the rattly muffler.
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Posted: Wed Jan 31, 2007 1:09 am 
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could always kick it :P other than if its dead you will note a slight lose in power and also higher engine temps . i could take some fotos of a good cat and a bad cat for ya to show you what the inside of it looks like

 

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Last edited by MRE-50L on Wed Jan 31, 2007 1:10 am, edited 1 time in total.

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Posted: Wed Jan 31, 2007 1:09 am 
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Give the thing a kick in the guts, if it meows it's alive if it doesnt it's dead.
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