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Home » Public Forums » GMCnet » Exhaust bang bang bang (going down steep grades)
Exhaust bang bang bang [message #366771] Tue, 14 September 2021 11:18 Go to previous message
boybach is currently offline  boybach   
Messages: 566
Registered: December 2020
Location: Vancouver Island
Karma:
Senior Member
Exhaust backfires quite a bit if I put the trans in low going down a steep hill ..haven't had a carburetted vehicle in years and years so wondering if this is normal?

Recently drove the coach across Vancouver island, Port Renfrew - Mesachie Lake mountain road and then on to several steep unpaved roads down Riverbottom road in the Cowichan Valley. Coach ran perfectly, but backfiring was a little disconcerting.

Exhaust system is very new, stainless and extremely heavy duty BTW.

Larry


Larry - Victoria BC - 1977 ex-Palm Beach "Ol' Leaky" 40,000 miles, PO said everything working but forgot the word NOT. Atwood helium fridge, water heater & furnace. SS exhaust system, Onan, Iota Converter, R134A, New fuel lines & heat exchange hoses
 
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