I am stumped!
I need help, i got a guys 12v in the shop putting twins and other goodies on it for him, got everything put together, and now the thermostat wont open. I have tried 3 beand new cummins thermostats, i have even tested them in water out of the truck. The radiator and water pump work as they should, i ran it without a thermostat and had proper flow through everything. I have talked to a few other people at some other shops and i cant come up with anything. Please let me know if somebody has come across this, i am stumped and have nothing else to try Thanks.
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If ya tested it in hot water and it worked then it should be good to go:humm:
make sure you are purged of air so the fluid is getting to it stupid question but is it in correctly............I fixed one for a guy after he flushed the system and installed a new stat............same deal as you it just wouldnt open and he had it in upside down |
Originally Posted by Whit
(Post 478880)
If ya tested it in hot water and it worked then it should be good to go:humm:
make sure you are purged of air so the fluid is getting to it stupid question but is it in correctly............I fixed one for a guy after he flushed the system and installed a new stat............same deal as you it just wouldnt open and he had it in upside down |
this might sound dumb but did you try replacing the radiator cap, cuz some times if they dont vent properly the can cause problems,
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Got it finally, i retraced everything like 15 times, everything checked out fine, the temp sending unit failed, it looked like it was operating properly then once the motor stated getting some heat i it, the coil must od kept getting hot and would show that the motor was running hot, swaped in a new one and things are good to go, thanks guys.
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good to hear man:tu:
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