2001 GMC Sonoma

Tiny
ABELNK
  • MEMBER
  • 2001 GMC SONOMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I have noticed while driving I can smell antifreeze. Its not over heating. Its maintaining 180 degrees and no leaks that I can tell. Could it possibly be a heater core leak.
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Friday, September 26th, 2008 AT 2:51 AM

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Tiny
BMRFIXIT
  • EXPERT
Place the heater setting on defrost does it fog the windshield and if it does then its a good chance that the heater core is leaking
check under hood around the intake manifold and hoses
coolant system pressure test should reveal the leak
check idle air control valve (clean and or replace )

need manual CHECK IT @
http://www.2carpros.com/kpages/auto_repair_manuals.htm
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Friday, September 26th, 2008 AT 6:19 AM

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