I'm new to this site. Have a '93 240 wagon. 126K miles. Thermostat works, but compensator board apparently does not.

The radiator and hoses are apparently original. Mechanic says the car is in good shape, but cannot guarantee the radiator and hoses. The hoses are not showing signs of dry rot or cracking, but are 20 years old. He recommends I change the radiator and hoses, as well as the heater hoses.

Question: should I change them all now (~$700), do some diagnostics, or wait for signs of a problem?

 

Are you handy? If you are, you can change the thermostat, radiator, and hoses yourself and save some money. The oem thermostat is around $12, the oem radiator is around $180, and the up and lower oem rad hoses cost about $30 each.