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1993 Ford F-150 93 F-150 not getting warm

Tiny
ARKANSASROUGHNECK
  • MEMBER
  • 1993 FORD F-150
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 186,000 MILES
My truck is not getting warm even after drivin 10-20 miles I can stop and touch the radiator and top of motor and its cold. The guy before me had a v6 ford ranger radiator in the truck I replaced it with the proper radiator for this truck along with new cap and hoses! Its spitting antifreeze back into the resivor tank and blowing the cap off of it. I need help! When im driving the temp guage stays between cold and normal but when the truck goes to down shift the temp gauge goes all the way to hot and then drops back down.
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Thursday, January 15th, 2015 AT 12:01 PM

7 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Have you checked your thermostat? Is the coolant in the radiator itself staying full. Is it extremely cold in your region? I'm in okla, it's fairly mild today.
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Thursday, January 15th, 2015 AT 12:54 PM
Tiny
ARKANSASROUGHNECK
  • MEMBER
  • 13 POSTS
Changed the thermostat today took it for a good 20-25 mile drive and it was running and driving normally. Just made a trip to the store roughly a mile and a half round trip and the temperture gage went to hot on me twice on the way home but then went back down to normal. Now its not keepin coolant in the radiator keeps puking it back into the resivor box. Im in the southern part of arkansas.
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Thursday, January 15th, 2015 AT 6:31 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Two things I can think of, either air in the system or a head gasket problem.
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Friday, January 16th, 2015 AT 9:05 AM
Tiny
ARKANSASROUGHNECK
  • MEMBER
  • 13 POSTS
We decided to leave it alone for the night. My fiance went out just a little while ago to put more coolant in it and all the coolant that was in my resevoir box had went back to the radiator. I dont think its a head problem the truck runs fine now other than the problem im having. No water in the oil and no antifreeze in the exhaust.
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Friday, January 16th, 2015 AT 10:48 AM
Tiny
ARKANSASROUGHNECK
  • MEMBER
  • 13 POSTS
Ok we got everything running correctly but now after the truck is warm if you kill it it wont crank again until its cooled down. And the antifreeze in the radiator has a pinkish/reddish tint to it.
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Friday, January 16th, 2015 AT 12:58 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
When problem occurs, if it cranks good but won't start, have a helper crank it while you visually check for spark at the spark plugs, if spark everywhere check fuel pressure and injector pulse. Ford has problems with tfi modules, I can't be sure if that is the problem?

What color was your coolant to begin? Is your radiator new? Do you have tranny coolant lines going to radiator, I can't remember?
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+1
Friday, January 16th, 2015 AT 1:27 PM
Tiny
CJ MLAKAR
  • MEMBER
  • 1 POST
Pink coolant means the radiator is bad go and replace it before the transmission goes (Most old Fords take Green Coolant) to if I’m to late checkout monster transmissions for a rebuild best rebuilder I’ve seen in years -1993 Ford F-150 Flareside 5.8 H.O.
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Saturday, October 17th, 2020 AT 10:56 PM

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