Thermostat
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Laughing Gas
Joined: Jul 2004
Posts: 769
Likes: 3
Thermostat
Hello
I just went to change my thermostat in my 2001 F250 V10 and bought a 195 degree. When I pulled the one out of the truck it had a 185 degree in it. According to the parts store 195 was from the factory is this true. Also wondering if I put the new 195 in if I need to have anything changed in the computer or will it just work fine...
Thanks
I just went to change my thermostat in my 2001 F250 V10 and bought a 195 degree. When I pulled the one out of the truck it had a 185 degree in it. According to the parts store 195 was from the factory is this true. Also wondering if I put the new 195 in if I need to have anything changed in the computer or will it just work fine...
Thanks
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
I am under the understanding that fords don't like low temp thermostats. The computer can read too low coolant temps as not warming up and stay in open loop operation. I don't think the computer will notice the 10 degrees warmer, and you should have stock mechanical fans so it will not harm the cooling system.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Hello
I just went to change my thermostat in my 2001 F250 V10 and bought a 195 degree. When I pulled the one out of the truck it had a 185 degree in it. According to the parts store 195 was from the factory is this true. Also wondering if I put the new 195 in if I need to have anything changed in the computer or will it just work fine...
Thanks
I just went to change my thermostat in my 2001 F250 V10 and bought a 195 degree. When I pulled the one out of the truck it had a 185 degree in it. According to the parts store 195 was from the factory is this true. Also wondering if I put the new 195 in if I need to have anything changed in the computer or will it just work fine...
Thanks
JL
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
My OEM stat is a 195. Pulled it once, it's definitely a 195.
--
I recently had my autotap on my V10 and it went into closed loop very soon after startup, like at around 120 degrees. Have to re-check that, but I do remember it clearly.
--
I recently had my autotap on my V10 and it went into closed loop very soon after startup, like at around 120 degrees. Have to re-check that, but I do remember it clearly.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
JL
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
Did it ever get the cross-over modification done?
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FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
What's even crazier is, Motorcraft shows a 190 degree 'stat for '98-08 V10's, and other places show the same Motorcraft part as being for all V10's from '98-08.
Now I gotta look again and see what's in that box I have... darn.
Now I gotta look again and see what's in that box I have... darn.
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FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 421
From: Long Island USA
There's a TSB for the V10 for the coolant crossover in the front of the intake because of a false overheat.
I think they install another 'stat with it. Yup...
06-21-15***MIL ON - DTC P1285 / P1299 - 5.4L 3V / 6.8L 3V - FALSE OVERHEAT
7C3Z-8575-A - Can't figure out what it is though.
I think they install another 'stat with it. Yup...
06-21-15***MIL ON - DTC P1285 / P1299 - 5.4L 3V / 6.8L 3V - FALSE OVERHEAT
7C3Z-8575-A - Can't figure out what it is though.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
There's a TSB for the V10 for the coolant crossover in the front of the intake because of a false overheat.
I think they install another 'stat with it. Yup...
06-21-15***MIL ON - DTC P1285 / P1299 - 5.4L 3V / 6.8L 3V - FALSE OVERHEAT
7C3Z-8575-A - Can't figure out what it is though.
I think they install another 'stat with it. Yup...
06-21-15***MIL ON - DTC P1285 / P1299 - 5.4L 3V / 6.8L 3V - FALSE OVERHEAT
7C3Z-8575-A - Can't figure out what it is though.
JL
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