I HAVE A V8 5

  • Tiny
  • Anonymous
  • 1999 Ford Explorer
  • 127,000 miles

I have a V8 5.0L engine in a 99 ford explorer AWD, the heater control valve was broken. I live in a place with tropical weater, so my urgent need is to have colder air. Can I instal a manual valve instead of the broken original vacuum operated one? Would it affect the engine's temperature if the manual valve is set to the closed position. I have not found the replacement valve in my country.

Friday, March 29th, 2013 AT 4:22 PM

1 Reply

  • Tiny
  • ma av
  • Expert
  • 32 posts

Heater control valve allows hot coolant into heater core where a fan blows air over heater core to provide hot air inside. If its cold air your after this should not affect ac temp.

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Sunday, March 31st, 2013 AT 7:56 AM

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