Thermostat or No Thermostat?
#1
Senior Member
Thread Starter
Thermostat or No Thermostat?
94 4.9 and 93 5.0 would always run a little hot and push fluid in overfill. removed thermostats and neither truck has overheated at all in past 7 years.
#3
Senior Member
You need a thermostat.
Preferrably a Stant Superstat.
If the truck is overheating, there are other problems causing it. You may want to inspect the fan clutch for starters. That's a part that is overlooked. If you spin the fan clutch while the engine is cold and it shows no resistance, that's your problem right there.
Preferrably a Stant Superstat.
If the truck is overheating, there are other problems causing it. You may want to inspect the fan clutch for starters. That's a part that is overlooked. If you spin the fan clutch while the engine is cold and it shows no resistance, that's your problem right there.
#4
Registered User
iTrader: (2)
You need a thermostat.
Preferrably a Stant Superstat.
If the truck is overheating, there are other problems causing it. You may want to inspect the fan clutch for starters. That's a part that is overlooked. If you spin the fan clutch while the engine is cold and it shows no resistance, that's your problem right there.
Preferrably a Stant Superstat.
If the truck is overheating, there are other problems causing it. You may want to inspect the fan clutch for starters. That's a part that is overlooked. If you spin the fan clutch while the engine is cold and it shows no resistance, that's your problem right there.
#5
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Join Date: Mar 2012
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Originally Posted by 1FTDF15Y6SLC02010
94 4.9 and 93 5.0 would always run a little hot and push fluid in overfill. removed thermostats and neither truck has overheated at all in past 7 years.
#6
Senior Member
Thread Starter
you know everyone says its not good to run without thermostat but ive done it for over 7 years not once has gauge made it to the line before normal. fuel mileage is 17/20 city hwy and not a sight of sludge in valve cover or oil pan. so if you think not running a thermostat is bad i say to you oh well. ive tried both ways and i will NEVER use a thermostat again.
#7
Senior Member
Thread Starter
Originally Posted by JulianR
I had the same issue with my 95 5.8, previous owner must have gone mudding because when i took the waterpump off it was packed with mud, coolant wasnt going into the engine.
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#8
Senior Member
Thread Starter
Originally Posted by mr7confused
Yep.
But they can run too cold if its too cold out. I always thought that the thermostats really restrict the flow of water though too...
But they can run too cold if its too cold out. I always thought that the thermostats really restrict the flow of water though too...
#9
Registered User
iTrader: (2)
Every vehicle manufacturer wouldnt use a thermostat if it wasnt essential to have as part of the cooling system. Just because you havent seen any outward damage from not running one your engine no doubt has suffered internally from not running at optimal temp. Is your engine going to explode, probably not but you will shorten the life of if for sure if you continue to run it that way.
http://auto.howstuffworks.com/question248.htm
http://auto.howstuffworks.com/cooling-system.htm
http://auto.howstuffworks.com/question248.htm
http://auto.howstuffworks.com/cooling-system.htm
#10
Senior Member
Thread Starter
Originally Posted by qdeezie
You need a thermostat.
Preferrably a Stant Superstat.
If the truck is overheating, there are other problems causing it. You may want to inspect the fan clutch for starters. That's a part that is overlooked. If you spin the fan clutch while the engine is cold and it shows no resistance, that's your problem right there.
Preferrably a Stant Superstat.
If the truck is overheating, there are other problems causing it. You may want to inspect the fan clutch for starters. That's a part that is overlooked. If you spin the fan clutch while the engine is cold and it shows no resistance, that's your problem right there.