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Front Cat. #959166 08/16/09 02:17 PM
Joined: May 2009
Posts: 89
B
budicexxx Offline OP
Getting the Wheeling Fever
Im just wondering i seen in the timing post that someone gutted out the front cat. Just wondering if that is a difficult task as i am convinced that mine is clogged also and i would try to remove the honey comb out also as there is no emission here. Looked at it and noticed that it is direct fit to manifold. Would i have to remove it compleltly from there.


2001 sporty, tj rear springs with rav4 shocks, ford alloys machined centers with 30x9.5x15, front spacers. more upgrades to come.
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Re: Front Cat. [Re: budicexxx] #959167 08/16/09 03:49 PM
Joined: Aug 2006
Posts: 1,224
Everet Offline
Body Damage is Cool
Take off the 3 bolts from the bottom pipe to the upper cat, then take off the heat shields 4 bolts and remove it (unplug the upper o2 sensor) then undo the 5 nuts on the top of the cat. Make sure you use 6 point sockets to minimize rounding off nuts and bolts. Spray everything well with PB Blaster or another penetrating oil the night before (WD40 isn't really that good for penetrating compared to PB but it's better than nothing).
You will probably need to weld a bung into your exhaust AFTER the 2nd cat otherwise you may get a CEL for bad cat. You will probably need to lengthen the wires of the o2 sensor to reach the new position and plug the old hole with the proper threaded plug. Cleaning out the cat is pretty easy with a hammer and large screwdriver.
When you put it back together, reuse the metal gasket between the cast iron header to the cat, and you may need to get a new gasket from the cat to the down pipe (make sure you have this before you take it apart. I bought copper header flange gaskets and drilled out the holes to get it to fit because AutoZone didn't have the right gasket). Make sure you use anti-seize on all your nuts and bolts.
Let us know if it helps and take pictures and post them of what you find.
Should take about 2 cocktails <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />

Everet <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/kewl.gif" alt="" />


WWW.UPYOURKIA.COM White 96,4x4, man.hubs,K&N filter,3row rad, twin 16" fans, 3" body lift, 4" UPYOURKIA LIFT KIT,265/75 16 TreadWrights on DC2 wheels,140 amp alt. dual batts.
Re: Front Cat. [Re: Everet] #959168 08/16/09 06:55 PM
Joined: Dec 2007
Posts: 316
H
homerdog Offline
Mudrunner
Instead of putting in a new bung you can put a spark plug extension on the O2 sensor, that will get it out of the exhaust stream so it won't be throwing any codes.

The extension is hollow, about an inch or so long and threaded male and female, they sell different sizes, I forget which size it is but the guy at the parts store had no problem finding one for me.


2001 Sportage, TJ 106's, Everet spacers and bumpstops, Bilstein shocks on the rear, cone filter, Crager wheels, 235-75-15 Goodyear tires. Custom front winch bumper by Dave Scott. Currently DOA, but it is a work in progress.
2011 Kia Forte EX
Re: Front Cat. [Re: homerdog] #959169 08/17/09 11:50 AM
Joined: May 2009
Posts: 89
B
budicexxx Offline OP
Getting the Wheeling Fever
Thank for the quick posts, Yesterday i took apart the back cat. figuring this was the easier one. Dind't solve my problem. Im gonna tackle the front one hopefully this week. I'll post back to let u guys know how i make out.


2001 sporty, tj rear springs with rav4 shocks, ford alloys machined centers with 30x9.5x15, front spacers. more upgrades to come.
Re: Front Cat. [Re: budicexxx] #959170 08/19/09 02:28 AM
Joined: May 2009
Posts: 89
B
budicexxx Offline OP
Getting the Wheeling Fever
Just hooked up a fuel pressure gage to the fuel pump and found out that my pump is shot. This was my problem all the time. Just found a used tank and pump. Going to take it off tomorow hope it all works out. Should't be that big of a job to remove i hope...lol. Just that i have to take the other one of also. Hope the tank im going to get is good as mine leaks anyhow. He told me it never did. Only been parked for two weeks.


2001 sporty, tj rear springs with rav4 shocks, ford alloys machined centers with 30x9.5x15, front spacers. more upgrades to come.

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