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post #1 of 10 Old 01-10-2011, 05:45 PM Thread Starter
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Exhaust Smell In Cab

So when I am sitting at a stop and have the A/C on I seem to be able to smell exhaust. It isn't over powering and isn't always there but I'm wondering if this is normal or might I have an exhaust leak? Never smell it when I am driving down the road or have the AC off.
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post #2 of 10 Old 01-10-2011, 05:48 PM
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Up pipes leaking, and/or Y pipe. They are prone to cracking at the bellows.

2004 F350 CC DRW King Ranch
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post #3 of 10 Old 01-10-2011, 05:55 PM Thread Starter
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I think I smell (bad analogy) a reason for a new exhaust system.....can you say 4" turbo back????

Is the y pipe a pain to get to?
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post #4 of 10 Old 01-10-2011, 06:05 PM
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Is this all the time? I will get the smell when my truck is first warming up (if unpluged like leaving work). Very small amount and only when it is sitting warming up in a parking spot.

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post #5 of 10 Old 01-10-2011, 06:09 PM
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Quote:
Originally Posted by bigD1031 View Post
I think I smell (bad analogy) a reason for a new exhaust system.....can you say 4" turbo back????

Is the y pipe a pain to get to?
Reading material, post #5.
Where is the Y pipe?

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #6 of 10 Old 01-11-2011, 08:08 AM
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Could also be warped/leaking exhaust manifolds.

Get under the truck and look for black soot marks near seals and joints in the exhaust piping. Start where the manifolds bolt to the head, and work your way back to the turbo.

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post #7 of 10 Old 01-11-2011, 11:58 AM
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Quote:
Originally Posted by Lilpooh View Post
Up pipes leaking, and/or Y pipe. They are prone to cracking at the bellows.
I have the SAME problem! I can see the black soot on the left side of the engine, but I haven't been able to see the origin of the leak. However, I suspect is this Y Pipe,

Who sells them besides OEM Ford? Or they are not that expensive?

Thanks
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post #8 of 10 Old 01-11-2011, 01:04 PM
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Quote:
Originally Posted by Turbo Wax View Post
I have the SAME problem! I can see the black soot on the left side of the engine, but I haven't been able to see the origin of the leak. However, I suspect is this Y Pipe,

Who sells them besides OEM Ford? Or they are not that expensive?

Thanks
Here is some reading material that might help you make a decision.
Aftermarket Y-pipe Liberator vs Innovative vs ??

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #9 of 10 Old 01-11-2011, 02:22 PM
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I had that issue a while back and found the fuel filter o-rings were installed wrong. Replaced the fuel filter and o-rings again and the smell went away. I thought it was an exhaust smell, but apparently it was a fuel smell.
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post #10 of 10 Old 01-11-2011, 03:46 PM
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Lilpooh

Thank you for the link!!
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