Water in (AIR)

[Trail X]

Its not there to extend the life of the cat, just make it get up to operational temps quicker. If it runs continually, it would actually hurt the cat.

[HARDTRAILZ]

So would you tend to agree that deleting it won't affect the cat? Just dump a bit more polluting stuff at first while the cat heats?

[Trail X]

That agrees with my understanding of the system.

[tarsh]

That's why I'm ridding of it. Seems like a pointless piece of expensiveness, and is one more thing to go wrong. I like this truck more and more as I eliminate stuff

[wink]

My system has been completely removed with an engine block-off plate for years. I haven't had any related issues. Dash light has been on but I just keep an eye on the codes.

[tarsh]

Ah, good things, good things. I'll be makeing a plate after work then

[v7guy]

As an amusing side note GM has been dealing with this silliness for as long as I've been playing with their vehicles, I was reminded of this TSB that tells you to remove the AIR system, GM admits "just kidding, you don't need that garbage"

http://www.obdclearinghouse.com/documen ... -06-04-011



and another one from poor air pump placement... imagine that...

http://ww2.justanswer.com/uploads/2paul ... umptsb.pdf



Wink has a picture in his build thread of the delete plate thread he made
viewtopic.php?f=76&t=513

You can also buy it directly from GM since they said it wasn't needed for some years if I remember correctly... part number 12574378

http://www.tonkinonlineparts.com/p/GMC_ ... 74378.html
http://www.gmpartsdirect.com/results.cf ... r=12574378

[Jrgunn5150]

I like this truck more and more as I eliminate stuff

I agree lol, bumper cover, Resonator, spare underneath, torque management. All deleted lol. As a matter of fact, other than PM, I haven't done anything to it but take stuff off it so far hahaha.

[TBYODA]

Cover -GM#12574378
Gasket-GM#24577193

[tarsh]

Gotta love the salvage yard. Price = free