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Old 07-07-2012, 04:10 PM   #1
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Wrench Replacement of catalytic converter


I have a 2003 Saturn VUE v6 and have been told that raw gas is getting into my catalytic converter so I need to get it replaced eventually. When I look up information on this model I find a front and rear CC both of which are very different prices $500 for front, $1300 for rear.

I've been told that I need a new CC, pipe, and three gaskets and a half hour of labor for $1900-$2500 at the dealership; they also said that the majority of that is parts, the work is minimal. I can order a front CC online for $500, probably even cheaper through other avenues, so even $1900 seems extremely steep. I've contacted a few other repair shops in the area but haven't heard anything back yet.

Having been told that fuel is getting into the CC, is it fair for me to assume that i need a front CC? I can't see how fuel could get to the rear converter.

Thank you for your time.
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Old 07-09-2012, 01:22 PM   #2
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2005 VUE 3.5L
2007 VUE 3.5L
Default Re: Replacement of catalytic converter

I've been thinking a 3.0 owner could offer advice ... and there's still time.

I'm sure you understand there's no interconnect between the fuel system and exhaust system. The primary path for fuel to make it into the exhaust manifold (and then cat-con) is for one or more cylinders to misfire. This permits the unburned fuel-air mix to escape and eventually overheat the CC.

Misfires are almost always accompanied by a flashing service engine soon light, so do you see these frequently?

And, I would check with several local exhaust shops before selecting one you (and friends and neighbors) can trust.
I visit forum monthly, if at all. Feel free to send private messages if you think I can help. Don't use visitor message as I never check those.
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catalytic converter, repair, repairs

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