thermostat change
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New User
Joined: Nov 2010
Posts: 22
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thermostat change
I am trying to change the thermostat on my 2000 Excursion 6.8. I removed the water neck and tried to remove the thermostat. It won't come out. Isn't it like changing any old thermostat? Remove water neck lift out thermostat and drop in new one? Or am I missing something? I have pulled hard it wont move it will turn in the housing. Help.
Senior User
Joined: Nov 2009
Posts: 296
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From: Roseville, CA
They are sealed with an o'ring. The o'ring must be stuck to the wall of your intake. Carefully dig out the o'ring with a screw driver. Only dig on the t-stat not down the wall of your intake. Mine took a little to get out also. I put in a 180 to lower operating temps.
Elder User
Joined: May 2010
Posts: 635
Likes: 1
From: infraction
unless your motor us having heat issues, why change from the 195 thermostat?
the ecu is preset for that temp...
the ecu is preset for that temp...
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Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
what is the standard temp thermostat, and what options are available for replacements?
I think running with no t-stat would make this beast overheat quick when pulling the trailer up to tahoe.
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New User
Joined: Nov 2010
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Thanks. I think mine is stuck open. It took forever to put out any heat over the winter. Last summer even towing my data logging only showed 165. It might of hit 170. I just want to have the Ex running as well as possible.
Freshman User
Joined: Jul 2012
Posts: 29
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LOL be happy it stuck open mine ended up sticking closed when I was going camping happen on the freeway pulled over let it cool down luckly we had another car with us and we got a 175 thermostat but this trip gets even better on the way back I hear the loud pop and it started sounding like an old tractor pulled over pop the hood I see the spark plug chilling on the block Its a sad day when you see your truck being loaded up on a flat bed.
Senior User
Joined: Nov 2009
Posts: 296
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From: Roseville, CA
OP wa shaving trouble getting it out not me. Mine was so easy it hurt. I put back the 195 so good thing you couldn't find one. The guys here said it was bad idea so I asked at Ford as well and they agreed so in went the 195. Funny thing is that the 195 was special order at Ford?! Who knew?
Fleet Mechanic
Joined: Apr 2008
Posts: 1,724
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From: Vancouver BC Canada
Here is a link to my thermostat thread from earlier this year.https://www.ford-trucks.com/forums/1...mperature.html
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