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dsalinas1939
Top Member

USA
1316 Posts

Posted - 03/06/2017 :  07:19:27 AM  Show Profile  Reply with Quote
i am doing a park regen on a 2015 thomas C2 and every now and then i get a big puff of smoke from under hood it smells like kerosen is this normal i cant tell where the smoke is coming from. also just curious when its regening what creats the exhaust heat like what makes the exhaust temp get to 1000 degrees

Edited by - dsalinas1939 on 03/06/2017 12:06:53 PM

RonF
Top Member

867 Posts

Posted - 03/06/2017 :  12:20:09 PM  Show Profile  Reply with Quote
quote:
Originally posted by dsalinas1939

i am doing a park regen on a 2015 thomas C2 and every now and then i get a big puff of smoke from under hood it smells like kerosen is this normal i cant tell where the smoke is coming from. also just curious when its regening what creats the exhaust heat like what makes the exhaust temp get to 1000 degrees



The heat is created by fuel being injected into the exhaust system. I believe it is done by fuel being injected into the cylinders on the exhaust stroke. The puff of smoke and smell you have is from the fuel being injected to the exhaust and if you see it, you have an exhaust leak.

US Army retired CMBT
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dsalinas1939
Top Member

USA
1316 Posts

Posted - 03/07/2017 :  07:59:55 AM  Show Profile  Reply with Quote
ok kewl thanks for the info i am surprised just injecting fuel into the exhaust will make it get that hot
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dsalinas1939
Top Member

USA
1316 Posts

Posted - 03/10/2017 :  06:06:21 AM  Show Profile  Reply with Quote
so far i have done 5 park regens on passed few days and the buses are fair;y new and they all had that puff of smoke every now and then find it hard to believev they all have exhaust leak but i cant tell where its coming from
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RonF
Top Member

867 Posts

Posted - 03/10/2017 :  06:27:18 AM  Show Profile  Reply with Quote
Check the bank clamps on the exhaust pipe at the turbo. Mine have been loose .

US Army retired CMBT
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RonF
Top Member

867 Posts

Posted - 03/10/2017 :  10:14:47 AM  Show Profile  Reply with Quote
That should read band clamp

US Army retired CMBT
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dsalinas1939
Top Member

USA
1316 Posts

Posted - 03/10/2017 :  10:17:27 AM  Show Profile  Reply with Quote
igotcha lol i want to all and tightened they felt tight but i put a few turns on them will have to wait til i regen them agian to see
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