Question about 2008 Dodge Ram Pickup 1500

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Heater blows but no heat in my 2003 dodge ram 1500 4x4 with 4.7L engine. what can this be? its a 2003.

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david_davemo

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If your engine reaches normal operating temperature then it sounds like the heater valve is not operating. Find the valve on the engine firewall passenger side and manually open the valve. Find it by following the 3/4 inch heater hose to the firewall where it is connected to the valve. Most likely the cable ( or vaccum hose)from the temperature dial to the valve needs replacing.

Posted on Dec 31, 2009

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roniecon

Ronny Bennett Sr.

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SOURCE: 2003 DODGE RAM 1500 HEAT BLOWS DEFROST OR DASK

there is a directional door actuator motor,that has gone bad.

Posted on Nov 20, 2009

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2003 dodge ram 1500......no heat


Does your heater motor run when you turn speed dial ? Have you checked the two hoses that run from the engine compartment to the heater core ? When car is at operating temperature, carefully touch both hoses which should be warm or hot. If only one if hot, then you may have a bad actuator. If both are hot, you may have a clogged heater core or none functioning heater motor. or resister.

If motor is not working, check fuses, if good, then check for power at the switch and then at the heater motor.

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2 Answers

2003 DODGE RAM 1500 HEAT BLOWS DEFROST OR DASK


there is a directional door actuator motor,that has gone bad.

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