I have a '95 s-10 4.3 z code on the motor. I've replaced the thermostat,water pump, hoses, and fan clutch. I have no leaks and no oil in the water or water in the oil. I'm not losing coolant.

Asked by Sep 06, 2014 at 08:49 PM about the 1995 Chevrolet S-10 LS Extended Cab 4WD

Question type: Maintenance & Repair

50/50 mix. Overheats on the highway. Runs
fine at idle and in town. I have flow through
the radiator. Any ideas? I'm stumped!!!!

3 Answers


The only thing that come,s to mind is radiator,need,s rodding out or replacing.

Yeah I'm gonna try that next and see what happens


1} What was the original problem that prompted you to replace the above items? Over heating shouldn't be happening at highway. If it does try this, turn on your heater. If your temp starts to go down or at least stop rising then your radiator is clogged. Blower fan needs to be on high.

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