2002 Chevy imp. Leak

Tiny
JJP
  • MEMBER
  • 2002 CHEVROLET IMPALA
I have 2002 3.4 liter six cyclinder automatic chevy impala with 45,000 miles. I noticed a greenish colored liquid leaking from the upper front corner drivers side engine compartment that left a small puddle maybe 6 inches across on 3 to 4 seperate occasions. I also had a "low coolant" dash light go on and has stayed on ever since then. The level of red dexcool is just fine in the radiator and over flow tank. I took it to a local mechanic and he pressure tested the radiator which tested ok. I thought the green liquid might be connected to the ac system but the ac is working fine according to the mechanic. We think the low coolant light is just the sensor. What is this green liquid and where is it coming from? I need to mention that the cooling system was flushed twice and contains only red dexcool. The radiator and the over-flow tank are completely full.
Saturday, November 10th, 2007 AT 7:30 AM

2 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
I would say you probably have a coolant leak at the lower intake manifold gaskets. It is possible that someone has put some green coolant in the system at some point. It wont always show up in the overflow tank. The coolant level could also be low and the coolant overflow tank show full.I would recommend takink a closer look at the intake gaskets.
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Saturday, November 10th, 2007 AT 1:54 PM
Tiny
JJP
  • MEMBER
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I think the mechanic that looked at my car would have caught any leaks from the intake manifold gaskets especially during the radiator pressure test. I saw no leaks coming from there either.
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Wednesday, November 14th, 2007 AT 9:47 PM

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