1999 Toyota Corolla over heating

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JEREMY DICKERSON
  • MEMBER
  • 1 POST
Heater only works when you push gas peddle.whensetting still it blows cold
Nov 27, 2015 at 7:06 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Sounds like you have either air pockets in the system or a clogged heater core, most likely the latter.

You could try removing both heater hoses from the firewall and flush both directions with a garden hose.
Nov 27, 2015 at 7:19 AM
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