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Tahoe Coolant Leaks

Tiny
WLPOLITE
  • MEMBER
  • 1995 CHEVROLET TAHOE
  • 4WD
  • AUTOMATIC
  • 242,990 MILES
How do I know its' my heater core. I have a 95 chevy tahoe; fluid is leaking not from the core but from a hole at the firewall next to the hoses coming into the core. There are two hoses and one other with a rubber hose that bends at a 90 degree angle. After driving the truck and parking it, fluid leaks from this other (3rd) tube. Is it the heater core or something else?
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Thursday, August 4th, 2011 AT 5:25 PM

1 Reply

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Bingo heater core coming out of Evap/core assembly drain tube. Sounds like the drain for the heater core if it were to leak the third hose that comes off the fire wall has a 90 degree elbow facing down not connected to anything if so its the drain for the heater core. Can you smell coolant inside? Sounds like a bad heater core. If that were one of the hoses just not connected it would leak all the time.
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Thursday, August 4th, 2011 AT 5:38 PM

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