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12-05-2018, 10:25 AM
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No heat, temp guage shows cold. Ideas?
'01 Ranger Edge 4.0 V-6.
No heat, temp guage shows cold, and the two heater hoses to the firewall seem cold after the truck warms up.
I have read some of the related posts but nothing seems applicable. Would a stuck-shut thermo cause these symptoms?
Thank you!
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2001 Ford Ranger, 4.0, 4x4, edge
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12-05-2018, 10:42 AM
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ford dealer parts guy
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Re: No heat, temp guage shows cold. Ideas?
Stuck thermostat the engine will over heat big time...did you see this thread?
NO HEAT Troubleshooting Guide
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2021 F150 5.0 Screw
Past:18 F150 2.7, 16 F150 5.0, 14 F150 5.0, 07 F150 5.4, 03 Ranger 4.0
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12-06-2018, 06:09 AM
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ford dealer parts guy
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Re: No heat, temp guage shows cold. Ideas?
Quote:
Originally Posted by Billionj
Sure. Contact me with particulars.
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I did see that thread. It lists everything that could be the cause. I'd like to narrow it down for the particular symptoms I described.
Thank you!
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how does the upper rad hose feel? I'm almost wondering if your thermostat is stuck open
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2021 F150 5.0 Screw
Past:18 F150 2.7, 16 F150 5.0, 14 F150 5.0, 07 F150 5.4, 03 Ranger 4.0
Master Certified Ford Parts / Warranty Admin
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12-06-2018, 09:30 AM
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Learning to use the forums
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Re: No heat, temp guage shows cold. Ideas?
The upper and lower radiator hoses are warm, but the two hoses to the firewall are not warm.
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2001 Ford Ranger, 4.0, 4x4, edge
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12-06-2018, 09:37 AM
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ford dealer parts guy
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Re: No heat, temp guage shows cold. Ideas?
Quote:
Originally Posted by Billionj
The upper and lower radiator hoses are warm, but the two hoses to the firewall are not warm.
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are they just warm or hot? on a normal system the upper hose should be hot enough where you can't keep your hand on it. I would pick up a cheap infrared thermometer to check it. Normal operating temp is around 180-200 degrees
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2021 F150 5.0 Screw
Past:18 F150 2.7, 16 F150 5.0, 14 F150 5.0, 07 F150 5.4, 03 Ranger 4.0
Master Certified Ford Parts / Warranty Admin
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12-09-2018, 06:30 PM
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Learning to use the forums
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Re: No heat, temp guage shows cold. Ideas?
I flushed the rad, changed the thermo. All seems to be good now. Thanks for your help guys!
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2001 Ford Ranger, 4.0, 4x4, edge
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