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heater core hoses.... when to replace

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03-29-2018, 07:03 AM
Richard_Muise
heater core hoses.... when to replace
I have never replaced the heater core hoses which on my coach, are rubber hose from the engine to the heater core. I had my mechanic check them and he said they look great. No dry rot at all. Should I replace them soon even tho they look good?


R.P.Muise 1994 Breakaway/Cummins 5.9/Allison transmission/Spartan Chassis
03-29-2018, 12:29 PM
ccctimtation
My philosophy on all engine hoses with unknown birthdates pre-2005, an arbitrary cut-off, is, to replace them. It seems hose performance has really increased now and my old 4 year faith of pre-1990 has increased to complacency.
Hoses and fluids are always more expensive on the highway.
03-29-2018, 02:53 PM
Kevin
Good reading here called heater hose nightmare