C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

coolant leak

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Old Mar 10, 2007 | 07:24 PM
  #1  
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From: Guntersville Alabama
Default coolant leak

I have coolant leak on the drivers side in the engine compartment. It is mostly evaporating so it is only leaving a small dot on the garage floor. I cannot see anyting that may be leaking from the engine bay. When I look underneath, I see where the coolant is spread just aft of the A arm. The car is a 93 auto. Any help is appreciated.

93cruiser
PS the water pump was replaced less than 5000 miles ago.:o
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Old Mar 11, 2007 | 09:49 AM
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From: Elkton MD
Default Coolant leak

From under the car, check the knock sensor; about 1/2 way back on the block and just above the pan. If someone changed the coolant, they may have removed the knock sensor in order to remove all of the coolant. Perhaps the sensor didn't get put in securely.
While you're under the car, check the freeze plugs and head/block seam too. And look forward to see if the water pump job got a good seal (way up front).
Good luck
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Old Mar 11, 2007 | 11:27 AM
  #3  
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From: Manassas VA/Flagler Beach FL
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Also check the small hose that gores to the throttle body, all hoes for that matter
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Old Mar 11, 2007 | 01:33 PM
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Im in the same boat. I have a coolant leak that i cant seem to find. ive been under the car and took a look around but couldnt see much of anything... Mine is leaking from the passenger side though.
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Old Mar 11, 2007 | 01:56 PM
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Are you sure it is not water condensing from the air conditioner......water would drop in about the location you are describing.....
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