Has water in air box and runs rough

2004 CHEVROLET TRAILBLAZER
170,000 MILES
Avatar
R MURRAY
  • MEMBER
  • 2 POSTS
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
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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
Avatar
R MURRAY
  • MEMBER
  • 2 POSTS
no coolant in oil and no white smoke.
Nov 4, 2011 at 10:12 PM
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.