Not sure on older models, but ours has an electric pump in the engine compartment to get the hot coolant all the way up to the front. Newell replaced a relay for us on it. Makes a big difference when it is working. ( This is for dash heat).
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Clint C. Johnson / Fran Balm
Coach 289 '92 42'6" 8V92 Hybrid
Several Toads:
XL-7
F-350 4X4 Crewcab
F-250 4X4 Crewcab
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