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2000 Chevy Malibu. HELP!

Tiny
MADCAT424
  • MEMBER
  • 2000 CHEVROLET TRUCK
Hello,
I have a 2000 Chevy Malibu LS (V6) with 105k miles on it. I just recently have been having a problem with it. It seems that after I drive for awhile and then park it, it leaks out a TON of coolant from the vent tube on the expansion tank. I have replaced the water pump, radiator cap, intake manifold (that was also leaking) thermostat. It still leaks out there, and leaks almost all the coolant out everytime. The car never shows any signs of overheating, I check the gauge all the time. Any ideas, me and my father are completly stumped. Thanks.
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Thursday, November 9th, 2006 AT 4:01 AM

3 Replies

Tiny
BUELLXB9RFB
  • MEMBER
  • 50 POSTS
Kinda sonds like the radiator is clogging up. You might want to flush the entire system with a coolant flush real good. Prolly needs it any way
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Thursday, November 9th, 2006 AT 9:20 AM
Tiny
MADCAT424
  • MEMBER
  • 12 POSTS
Forgot to mention that I already flushed it, when I replaced the water pump.
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Thursday, November 9th, 2006 AT 2:39 PM
Tiny
BOOTDOG
  • MECHANIC
  • 665 POSTS
I hate to say it but its sounds like a blown head gasket. What is probably happening is that exhaust is getting into your coolant system forcing it out of your expansion tank. Take it to someone who can propperly diagnose it.
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Friday, November 10th, 2006 AT 10:09 AM

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