Has water in air box and runs rough

Tiny
R MURRAY
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 170,000 MILES
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?
Wednesday, November 2nd, 2011 AT 1:39 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
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.
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Wednesday, November 2nd, 2011 AT 1:44 AM
Tiny
R MURRAY
  • MEMBER
  • 2 POSTS
No coolant in oil and no white smoke.
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Friday, November 4th, 2011 AT 10:12 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
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.
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Friday, November 4th, 2011 AT 11:08 PM

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