1997 Ford F-150 help

Tiny
KEVIN121506
  • MEMBER
  • 1997 FORD F-150
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
No heat and overheating. I replaced the t stat and now does not overheat but still no heat. Flushed heater core and still only 1 hose gets hot. Did not find any leaks could core still be bad or what else can I try. And I let truck run for about 30 min with radiator cap off to bleed air from system. Thank you for your help
Saturday, November 22nd, 2008 AT 4:22 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

If you have good flow through the heater core, I would be checking that the heater tap is OK, did you flush through the tap as well or after it?

Mark (mhpautos)
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Saturday, November 22nd, 2008 AT 5:54 PM
Tiny
KEVIN121506
  • MEMBER
  • 2 POSTS
No I didnt try that but I will today. Thanks for the help
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Sunday, November 23rd, 2008 AT 8:47 AM
Tiny
KEVIN121506
  • MEMBER
  • 2 POSTS
I flushed the system. Took the t stat back out made sure it was working right. I dont know what else to try. I looked it up in the haynes repair book and I said something about a heater control valve. But didnt say what it was or where its was. Got anymore ideas
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Sunday, November 23rd, 2008 AT 1:42 PM

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