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WHY DOES MY HEAT KEEP GOING IN AND OUT

  • Tiny
  • Anonymous
  • 1992 Lexus LS 400
  • 132,680 miles

Why does my heat keep going in and out. We just had the waterpump replaced.

Wednesday, March 27th, 2013 AT 11:45 AM

1 Reply

  • Tiny
  • hmac300
  • Expert
  • 44,308 posts

Check coolant leve first then check to see if heater hoses are both hot, then check to see if you have an actuator under dash not working

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Wednesday, March 27th, 2013 AT 1:50 PM

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