1996 Dodge Truck Heater

1996 DODGE TRUCK
120,356 MILES • V8 • 4WD • AUTOMATIC
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HOTROD86CAMARO
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  • 2 POSTS
I have a1996 Dodge 1500 SLT truck 5.9L

My truck only has luke warm heat I flushed the cooling system, new thermostat, OEM 195 degree, flushed heater core many times, water free flows very strong through heater core hoses to and from heater core at the firewall are hot.I drive down the road it become hotter
Dec 2, 2007 at 4:24 AM
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MERLIN2021
  • CAR REPAIR CONTRIBUTOR
  • 17,250 POSTS
It's possible that the temperature blend door is stuck. The shaft it swings on is metal, and over time they tend to rust and binde up, operated the temp knob while you look for or feel for the actuator that moves that door, some actuators ar vacuum operated, some electrical. Either these motors, called servo motors can go bad or the above mentioned issue! If the shaft is frozen, try a small drill bit at the base of the shaft, drill thru the plastic and spray some white lithium grease in there, if you can move it by hand, so much the better! Work it back and forth till it moves freely!
Dec 2, 2007 at 7:53 AM
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