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No heat

Tiny
POSTMAFAMILYMECHANIC
  • MEMBER
  • 1998 GMC SAFARI
  • 6 CYL
  • 2WD
  • AUTOMATIC
What are possible reasons for no heat in cabin? I flushed and filled system and replaced thermostat. Possible oil in antifreeze and/or excess water out of tail pipe.
Friday, November 26th, 2010 AT 3:46 AM

1 Reply

Tiny
GMTECH
  • MECHANIC
  • 537 POSTS
Did you just flush the regular way. You might want to try back flushing the heater core. Take a hose and push water through the opposite way of regular flow. It might push all the crap out of the system.
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Friday, November 26th, 2010 AT 3:53 AM

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