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TimfmCT's avatar
TimfmCT
Explorer
Aug 12, 2015

Catalytic converters for 2005 workhorse with GMC 8.1 vortec

Our 2005 Tiffin Allegro has the GMC 8.1 on the workhorse chassis. It's got 58,000 miles on it. We've had it for 6 years. Last year we replaced the transmission cooler assembly (rusted out) this year w...
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TimfmCT's avatar
TimfmCT
Explorer
Aug 13, 2015
newman fulltimer wrote:
you spend money to upkeep it but the one thing that can cause carbon monoxide poisoning you want to patch:h


Yes, you make a good point ...... if the muffler was "leaking" IE: making noise, I'd certainly make R&R of them a higher priority.

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