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10-11-2014, 12:19 PM
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#1 |
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Registered User
Join Date: Nov 2008
Location: kannapolis, nc
Posts: 528
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exhaust leak
I have a 2000 c3500 with the 7.4l. The exhaust was leaking out the gasket where the pipes and cats bolt up underneath. I changed the gasket but the flange is warped and is still leaking in several places. Any suggestions?
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10-11-2014, 09:20 PM
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#2 |
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Registered User
Join Date: Nov 2008
Location: kannapolis, nc
Posts: 528
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Re: exhaust leak
never mind
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04-13-2015, 12:41 PM
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#3 |
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Registered User
Join Date: Nov 2008
Location: kannapolis, nc
Posts: 528
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Re: exhaust leak
it's blown out again. Any fixes for this besides total replacement?
__________________
2000 c3500 utility bed 7.4l 5sp manual old body style. Cab and chassis 1964 GMC K10 383cu in/sm465/twin stick np205 1965 Chevy C60 |
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04-13-2015, 10:28 PM
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#4 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,513
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Re: exhaust leak
The auto parts stores used to sell a tube of exhaust pipe joint sealer. You might look for that.
__________________
Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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04-14-2015, 10:18 PM
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#5 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: exhaust leak
Very common on GMT400 trucks, More so on big blocks. Have the flange cut out & pipes welded in place.
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