Active Member
Feb 11, 2010
London, ON
2004 z06
Had the air conditioner on for the first time this year... and I noticed when I turned the car off I could hear something dripping onto the long tube headers near where it meets the cats.... at first I panicked... so I backed the car up and tasted the fluid... its water. Am I leaking some coolant or is this normal condensation from the air conditioner coils? Wouldn't the coolant be 50% water 50% coolant?

Is this just normal condensation from the coils on the air conditioner? Can the dripping water on the long tubes cause them to crack from water shock?
100% normal a/c condensation.Theres not enough to cause any cracking of your headers,going through a deep puddle gets more water on them than the a/c drip ever would.
Yes on the hot days after having the air on and parking the car I too hear the noise of the water dripping on the headers.
Mine has done it for over 4 years with no header problems, the water vaporizes almost instantly due to the high heat levels.
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