1999 accord no heat

Asked by Clare Mar 02, 2011 at 10:30 PM about the 1999 Honda Accord LX

Question type: Maintenance & Repair

I have a 99 Accord 4 cyl.auto with a/c.It loses heat when driving.Its had 3 thermostats,head gasket,timing belt,water pump,heater core and rad replaced.Head was checked for cracks & resurfaced.Water valve is good(took it off,stuck a srewdriver through & tried to move bell crank-ok)& control cable works too.I have hot air in the shop,as soon as I start driving the air gets cool then cold.The return hose from the heater gets cold and there is no coolant flow through the heater,What's wrong? What did I miss?

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Motor_man_mechanic1 answered 5 years ago

did you check heater control valve in engine compartment by firewall passenger side where heater hoses go in to firewall

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