93-02 V6 Tech V6 Camaro General Topics.

BIG!! Problem

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  #21  
Old 10-01-2009 | 08:26 PM
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Originally Posted by Globert 67 Pro Street
As mentioned by Z28Pete the auto trans cooler and engine oil pressure both operate at higher pressures that the coolant. To check the reverse way, leave the engine shut off, get a coolant pressure tester, (a pump that will pressurize the coolant system, normally around 14psi) and watch for a pressure drop. If the pressure drops, re-presurize a couple of times and see if the coolant has dropped. If the coolant has dropped it will now be in either the transmission or engine oiling system. Be carefull to not run the engine until the final resting place for the coolant has been found.

Best to do this test after the car has been sitting overnight and not warmed up.
Another way to check it is to hook up the pressure tester and do not pump it. Start the car and see how long it takes for pressure to build. If its instant you have a blown headgasket. You can get the needle jumping a little do to flow but it should take several minutes before it starts to build pressure. Becarful with the above proceedure. If the headgasket has a small leak and you could fill up the cylinder with coolant,,, Well coolant does not compress well.
 
  #22  
Old 10-04-2009 | 06:54 PM
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I would do a compression check. when ever you run into problems like this. Its a good idea Doesnt take that long. Or take the radiator cap off and start the car. (make sure it filled to the top) If you see air bubbles coming up. or coolant gushing out. You have a head gasket leak or cracked head.
 
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