Heat will not come out vents un less RPM is above 3000

Tiny
CLAYM11
  • MEMBER
  • 2006 BUICK TERRAZA
  • 2.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
I replaced water pump and thermostat and now heat will only come out vents when rpm is above 3000. Some times temp gauge will go up to 3/4 then come back down. Below 3000 rpm it blows cold air only.
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Sunday, December 15th, 2013 AT 4:40 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Is the coolant full? Did you bleed the system?
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Sunday, December 15th, 2013 AT 5:03 PM

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