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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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How's it going, I have a 96 blazer with a shaky oil pressure

Customer Question

hi how's it going, I have a 96 blazer with a shaky oil pressure guage that reads a little
above the red at idle, and 40 psi when at 30 mph, problem began after I took the truck on a long trip 600 miles and added non 50/50 antifreeze, then just an hour ago added almost a gallon of 50/50 antifreeze to the engine after draining radiator of previous mistake, what do you think?
Submitted: 1 year ago.
Category: Chevy
Expert:  Gary replied 1 year ago.
is this coolant system loosing coolant ?adding a non mix of 50/50 coolant will never cause any internal engine damage unless its over heating or coolant is being lost and no visual leaks and going into the crank case with the engine oil