95 Tracker cooling issues
Hello, all !
I've had some issues with the cooling system: engine coolant temp didn't rise more than 65 Celsius ( checked effectively with a laser thermometer as JTGH showed on previous posts) and, on the other hand, my son have had the coolant boiling when driving on very long slopes in the mountains). The thermostat was changed for new ( 82 deg C as nominal specification) and no improvement ( I have installed also the O-ring on it, as its seat is 4 mm deep)
I've ended up buying an aftermarket thermostat ( WAHLER p/n3119.88 with 88 deg C opening temp) and this has solved the problem apparently. I haven't had the chance to drive it on the mountains again to see if overheats. I am still concerned about the radiator fan viscous coupling operation that might be the real cause. I will buy a tachometer to see how it works on different outside air temperatures and I'll keep you updated.
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