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2006 Toyota Corolla heater problem

Tiny
WIDEG76
  • MEMBER
  • 2006 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
The heater puts out hot heat on lower setting when you turn it on high the heat cools down what would cause that to happen
Tuesday, December 30th, 2014 AT 10:27 AM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Not enough coolant flowing into the heater core
flush heater core and check heater valve operation
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Tuesday, December 30th, 2014 AT 10:31 AM
Tiny
WIDEG76
  • MEMBER
  • 2 POSTS
So that would make it not stay hot from one setting to another
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Tuesday, December 30th, 2014 AT 10:42 AM

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