| From | Message |
steady
GenIII
 
12/11/2001
14:00:32
|
 Subject: temperature swings
IP: Logged
Message:
I have a 2000 QC 4.7 w/180 degree thermostat. It works great during trips but in stop and go driving, the temperature rises to 210. I turn on the A/C to start the auxillary fan and it brings the temperature down. Is there a way to put a switch in place to manually turn on the auxillary fan?
Y2K QC, 4.7, 4wd FT, Auto, 3.55, LSD, Sport Plus
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Clevite 77
Dodge Dakota
12/11/2001
14:09:44
|  RE: temperature swings
IP: Logged
Message:
Your coolant level might be low or you may have a leak, or the cap may not be holding pressure, I'm probably wrong but just a couple things ta check for free or cheap. oh yea the t-stat is that old
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Dakaty
GenIII
12/11/2001
14:40:24
| RE: temperature swings
IP: Logged
Message:
Sounds like a bad thermostat. Was it not doing this before you changed it out? Could it be installed upside down?
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CW
GenIII
12/11/2001
14:44:00
|  RE: temperature swings
IP: Logged
Message:
If ou found the ground wire that the computer uses to turn on the relay then you could wire a switch in parallel to ground to turn it on manualy.
2001 4.7 5sp 3.92 LSD sport plus
Ported throttle body, IAT adjuster, flowmaster cat back, adjusted TPS from .51v to .76v, 4" cold air intake
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steady
GenIII
12/11/2001
15:05:59
| RE: temperature swings
IP: Logged
Message:
I am leaning more towards the thermostat (RobertShaw), it is has been installed since August 2000. I will check the cap, I know there are no leaks as I check under the hood and on the ground wherever I park. I will check the new thermostat (hot boiling water in pot) to verify it works correctly before installing.
Y2K QC, 4.7, 4wd FT, Auto, 3.55, LSD, Sport Plus
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