Has water in air box and runs rough

2004 CHEVROLET TRAILBLAZER
170,000 MILES
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R MURRAY
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Put pressure test on radiator pressure goes down very slow.Dont see any coolant on dip stick.Did compression test cyclinders ranged from 195 to 200 psi. Could this be intake gaskets or more serious?
Nov 2, 2011 at 1:39 AM
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JACOBANDNICKOLAS
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Check to make sure there is no coolant mixing with the engine oil. Also, check if there is white smoke from the exhaust. If the pressrue is dropping when you pressure test the system, there is a leak.
Nov 2, 2011 at 1:44 AM
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R MURRAY
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no coolant in oil and no white smoke.
Nov 4, 2011 at 10:12 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
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That is good. What I recommend from here is to get a dye for the cooling system. You put it in the radiator, drive the vehicle, and then check for leaks with a black light. The dye will glow where it is located.
Nov 4, 2011 at 11:08 PM