Thermostat Drill Out?
#16
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Join Date: Aug 2010
Location: Riverside County
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Year: 1991
Model: Cherokee
Engine: 4.0 litre
Okay, I am seeing 2 different sides to this.
I am the proud owner of a '91 Cherokee, straight 6, Auto, 4x4. I bought it last week for 800.00. Love Cherokee's. Had one back in the late 90's.
Anyway, I am having the exact problem the OP talked about: Around town, temp is good (WNL). But get it on the freeway......overheat. I have been throwing money at the problem, and frankly I am running out of money. I have replaced the t-stat, water pump, etc.
Been viewing other forums about this and the concensus is drill the stat at 6 and 12 w/ 1/8" or less to allow trapped air to pass. For those saying "no", please elaborate why not.
I am the proud owner of a '91 Cherokee, straight 6, Auto, 4x4. I bought it last week for 800.00. Love Cherokee's. Had one back in the late 90's.
Anyway, I am having the exact problem the OP talked about: Around town, temp is good (WNL). But get it on the freeway......overheat. I have been throwing money at the problem, and frankly I am running out of money. I have replaced the t-stat, water pump, etc.
Been viewing other forums about this and the concensus is drill the stat at 6 and 12 w/ 1/8" or less to allow trapped air to pass. For those saying "no", please elaborate why not.
#17
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Year: 89
Model: Cherokee
Engine: 4.0
id take a second out on the house and dip into the savings for that ten bucks and take the day to come up with that 10 min drive to autozone and pick up a new one, who knows that little thing just might keep your engine from overheating some day which might cost more than 10 bucks to fix lol
#18
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Year: 1991
Model: Cherokee
Engine: 4.0 litre
id take a second out on the house and dip into the savings for that ten bucks and take the day to come up with that 10 min drive to autozone and pick up a new one, who knows that little thing just might keep your engine from overheating some day which might cost more than 10 bucks to fix lol
Last edited by Doc Brnard; 08-23-2010 at 02:02 AM.
#19
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Year: 89
Model: Cherokee
Engine: 4.0
go buy a new one, and last time i had air in mine i just ran it til the air worked its way out and kept adding water when the fluid level would drop, but thats cuz i was on the trail but it worked
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