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1999 Chevy Astro coolant leak

Tiny
CHEF87571
  • MEMBER
  • 1999 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
I have a 99 astro and there is alot of coolant leaking from under the transmisiion or I assume it is coolant because the coolant tank was empty then I filled it and it was empty an hour later but the van runs fine the engine temp is about 140-160 and I can not hear any boiling or wierd sounds and the van runs fine what could this be?
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Wednesday, August 11th, 2010 AT 2:26 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

you may have a heater hose leaking or a core plug leaking, you will have to get a cooling system pressure test to positively identify this leak.

Mark (mhpautos)
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Wednesday, August 11th, 2010 AT 3:42 AM

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