View single post by redracer
 Posted: 07-19-2017 02:10 am
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Joined: 09-10-2012
Posts: 183
If the "upper hose" you are referring to is the one to the radiator, the water should NOT flow through it until the 165 or 180 degree Farenheit is acheived, assuming you have one of the 2 standard thermostats. The 2 stage thermostat will gradually close the hole back to the pump and simultaneously open to the radiator.
As for the "NO" temperature, how long did the engine run? Sometimes it can take 10 minutes(especially in wintertime) to reach the "OPEN" thermostat settings.
I am assuming that all fluid have been set to their proper levels?