12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

What is this?

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Old 04-11-2005, 10:53 AM
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Question What is this?

This may be a stupid question, but while I was under the truck I saw this and had no idea what it was. Can someone help me out?

Old 04-11-2005, 11:07 AM
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Which truck is it on? It looks like a 2nd gen cat.
Old 04-11-2005, 11:20 AM
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Sorry, its on the 98. The truck came out of Montana, I didn't think it would have a cat.
Old 04-11-2005, 11:25 AM
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12 Valve, that would be the cat.
Old 04-11-2005, 11:27 AM
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Great, thanks for the help.
Old 04-11-2005, 11:49 AM
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Emissions sticker on the rad support when you pop the hood will indicate if it is catalyst or non catalyst but as Mc mentioned, that is a cat.....all 12v CTD's manufactured after Jan. 1/94 were factory equipped with a cat.....98 and on 2nd gens w/24v replaced the cat with a resonator.
Old 04-11-2005, 01:25 PM
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Nice drive line too.

Rich
Old 04-11-2005, 01:47 PM
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Yeah, isn't that great!
Old 04-11-2005, 02:36 PM
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Hmm , mine had one like that too. Must have fallen off in my travels. I'll have to replace.
Old 04-12-2005, 10:00 AM
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My truck has one too. (But not for long) But on the sticker on the rad suport does not say catalyst. I even have that UGLY black pipe going accross the top of my valve cover too.
Old 04-12-2005, 10:36 AM
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Originally posted by jollygr
My truck has one too. (But not for long) But on the sticker on the rad suport does not say catalyst. I even have that UGLY black pipe going accross the top of my valve cover too.
Thats probably the EGR required on California diesels?

Rich
Old 04-12-2005, 11:39 AM
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Yes I know but my sticker does not say it is a catalyst.
Old 04-12-2005, 02:56 PM
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To bad you are so far away, I would like to get my hair cut in a ctd. (nice drive shaft)
Old 04-13-2005, 10:29 AM
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I have the same thing it is a cat,I going to cut it off because it could get cloged and effect your mpg.




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