85 s10 blazer, overheat

[mayhemrus]

I changed 2 sensors and thermostat. After driving about 3 blocks temp gage led to hot. What now?

[jdl]

How hot is the engine getting in degrees F? If you have a coolant recovery reservoir, is it boiling over?

[mayhemrus]

I havnt checked coolant temp, but reaservor is not boiling. Flush engine maybe?

[Rick Norwood]

What antifreeze are you using, Green or Orange? What color is your antifreeze now, Brown muddy looking? When was the last time you flushed the cooling system? Are you using A 50/50 MIX? Are you using distilled water with your antifreeze? Have you ever replaced the Radiator? How about the Fan and Shroud, still in good shape?

You might try a good flush and try running straight water as a test and see if that helps. You have no need to worry about freezing in Phoenix now. If this is the original radiator, you probably need a new one.