No heat

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baslate09

Junior Member
Joined
Jan 8, 2015
Posts
2
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Ram Year
1998
Engine
magnum 5.9
98 ram 1500 5.9 4x4. I have no heat. Never had heat since I owned the truck for 2 years. The gauge runs about 150°, but I've put 2 thermostats in it and nothing changed. Any ideas? It's freezing.
 

xb1230

Hobby Mechanic
Joined
Aug 22, 2014
Posts
960
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226
Location
South Shore of Montreal, QC, Canada
Ram Year
2020
Engine
5.7 HEMI
Clogged Heater core or broken blend doors. (That is of course considering the coolant level has been checked and is good, which I assume since you have changed the thermostat).

Could also be a heater valve problem, but unlikely.
 
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baslate09

Junior Member
Joined
Jan 8, 2015
Posts
2
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Ram Year
1998
Engine
magnum 5.9
Well I didn't think it was a blend door issue because the motor is running colder as well. Maybe if the motor was normal temp and still no heat, then yea maybe blend door. You think a clogged heater core would cause the engine to run cooler as well?
 
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