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Virtual Wrench
Virtual Wrench, Dodge Mechanic
Category: Dodge
Satisfied Customers: 14620
Experience:  35 years Master Mechanic
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2002 Dodge Ram 1500 SLT 2WD, 4.7 liter - My heater does not ...

Resolved Question:

2002 Dodge Ram 1500 SLT 2WD, 4.7 liter - My heater does not work. Recently replaced the radiator 2 months ago. When I turn on heater, I get a quick burst of warm air, then it goes cold. My guess is heater control valve not working. I figured it to be an elecronic controlled valve so I looked for blown fuses - no luck there.   Any ideas?
Submitted: 9 years ago.
Category: Dodge
Expert:  Virtual Wrench replied 9 years ago.

It sounds more like the coolant isnt getting hot enough,,,after the engine is fully warmed up, feel both heater hoses, they should be to hot to hold onto with your bare hand.

If they are not very hot, replace the thermostat.

 

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If you have further questions on this, please feel free to reply.

Customer: replied 9 years ago.
Reply to Virtual Wrench's Post: both hoses get very hot.
Expert:  Virtual Wrench replied 9 years ago.

Good deal!

Check to see that the blend door is closing all the way,,,,thats what moves when you select from hot to cold.

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