2000 Ranger runs hot for a minute! - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 4 (permalink) Old 05-17-06, 10:51 AM Thread Starter
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2000 Ranger runs hot for a minute!

Hi, new poster here. Thanks in advance for any advice. 2000 Ranger that sometimes (not always) pegs the temp gauge for about 45 seconds then returns to normal. I thought it was a gauge malfunction, but I smelled it for the first time. Full of coolant, fuses are good. Any ideas?
Thanks!!

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post #2 of 4 (permalink) Old 05-17-06, 06:02 PM
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Re: 2000 Ranger runs hot for a minute!

Thermostat.
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post #3 of 4 (permalink) Old 05-17-06, 11:22 PM Thread Starter
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Re: 2000 Ranger runs hot for a minute!

I'll change it immediately. Thanks!!
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post #4 of 4 (permalink) Old 05-29-06, 09:07 PM
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Re: 2000 Ranger runs hot for a minute!

Might as well do the 180 degree thermostat mod and the intake hot water bypass. After I did that to my 2001 3.0 it stopped pinging permanently.If your going to change the thermo remove it and then temp. bolt the hose/housing without the thermo installed back on. That way you can flush it out real good with not having to worry about the thermo opening and or impeding the coolant flow. Do this with a cold motor and the heater on so it flushes the heater core out too. Don't do it with a real hot motor as it will not like all that cold water instantly flowing in the block. Worked real good for me. Hasn't pinged since
and runs real cool. Use distilled water and quality antifreeze when you put coolant back in.Good luck.
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