ANY SCORCHED RV TRAIL­ERS?

Diesel World - - Q&a Jim Bigley Q&a -

I just bought a new truck, and then I be­gan to con­sider the po­ten­tial for heat dam­age to a fifth wheel travel trailer dur­ing an ex­haust fil­ter re­gen­er­a­tion. The tip of the tailpipe on my new Duramax is only a short dis­tance from the trailer.

I’ve searched the In­ter­net and can’t find any­one re­port­ing a prob­lem like this. The GM lit­er­a­ture says the ex­haust tip was de­signed to “mod­er­ate” tem­per­a­tures at the ex­haust tip, but I do won­der whether driv­ing for a few hours on the high­way dur­ing the sum­mer would cause any dam­age to my trailer.

I would like to know whether you have en­coun­tered any dis­cus­sion about this. Kyle Werner Fargo, ND Ac­tu­ally, we have heard from Rvers who were ini­tially con­cerned about the same thing as you, but af­ter a sea­son of tow­ing they dis­cov­ered that the pos­si­bil­ity of trailer dam­age due to a hot ex­haust was not a prob­lem. Be­cause of the higher av­er­age ex­haust tem­per­a­tures pro­duced by the en­gine while tow­ing, the re­gen sys­tem will likely never ac­ti­vate. Also, GM pro­grammed the sys­tem to not be­gin a re­gen cy­cle if the ve­hi­cle is mov­ing at a speed of be­low 30 mph. These com­bine to re­duce the pos­si­bil­ity of higher-than-nor­mal ex­haust tem­per­a­tures at the ex­haust tip. Be happy, no wor­ries!

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