HEATER

  • Tiny
  • Jodi09
  • 1998 ISUZU AMIGO
  • 4 CYL
  • 2WD
  • MANUAL
  • 160,000 MILES

Heater blows cold. If I shut the heat off for awhile, then cut it back on it blows warm for a minute, then turns to cold again

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Friday, February 4th, 2011 AT 12:14 PM

1 Reply

  • Tiny
  • KHLow2008
  • EXPERT
  • 41,981 POSTS

Here are possble causes.

Engine coolant temperature low. Check the thermostat operations.

Insufficient engine coolant. Top up if necessary.

Insufficient engine coolant circulation. Checked for clogged hoses.

Clogged heater core. Have heater core flushed.

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Monday, February 7th, 2011 AT 12:37 PM

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