2000 Pontiac Montana antifreese

Tiny
DANAHOW
  • MEMBER
  • 2000 PONTIAC MONTANA
Other Category problem
2000 Pontiac Montana 6 cyl Wheel Drive Type unknown Automatic 120000 miles

when you shut off the car my antifreese pours out and im going through about 1 gallon every week or so.
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Saturday, December 22nd, 2007 AT 7:44 AM

6 Replies

Tiny
BLACKOP555
  • EXPERT
Where exactly is it pouring out.

Have you noticed any problems with drive ability?
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Saturday, December 22nd, 2007 AT 8:10 AM
Tiny
DANAHOW
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IT'S DRIVING JUST FINE BUT WE NOTICED THAT WHEN IT STARTS TO GET LOW THE HEATER QUITS WORKING, IT POUR OUT CLOSE TO THE FRONY OF THE MOTOR
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Saturday, December 22nd, 2007 AT 8:17 AM
Tiny
BLACKOP555
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Is it possible that you can get me a picture of where its coming out off?

It only comes out when the engine is off not on?
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Saturday, December 22nd, 2007 AT 8:37 AM
Tiny
DANAHOW
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WHEN I SHUT IT OFF IS WHEN IT HAPPENS
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Saturday, December 22nd, 2007 AT 8:39 AM
Tiny
ED ARMES
  • MEMBER
Could be coming from the engine oil cooler located at the base of the oil filter. These are an aluminum casting and will leak under high coolant temperatures which occur minutes after the engine is shut down. The extra heat that develops after coolant stops circulating will open up a smalll crack in trhe casting or welds. I have seen these leak before. About $ 250 from dealer. :Lol:
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Wednesday, February 27th, 2008 AT 9:09 PM
Tiny
BLACKOP555
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Ed sounds pretty reasonable, that would be just about the only thing that would be causing it to come out of the radiator when the engine is off.
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Thursday, February 28th, 2008 AT 7:07 AM

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