Diagram showing thermostat

Tiny
ZMAN747
  • MEMBER
  • 2001 DODGE RAM
  • 156,000 MILES
Need a picture of where thermostat is
Sunday, February 26th, 2012 AT 10:27 PM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Follow the upper radiator hose to the thermostat housing behind the AC compressor. What's the symptom? Thermostats don't fail very often.
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Sunday, February 26th, 2012 AT 10:29 PM
Tiny
ZMAN747
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Always runs cool and heat is very weak
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Sunday, February 26th, 2012 AT 10:56 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Well, that does sound like a thermostat problem. I was hoping to avoid that because they can be kind of hard to get to. You might want to unbolt the AC compressor to give yourself better access.

Consider squeezing the hose first while the engine is idling to verify the temperature comes up. It could take a couple of minutes.
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Sunday, February 26th, 2012 AT 11:04 PM

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