Radiator 1995 Oldsmobile Aurora 4.0L V8. Has new water pump, thermostat, belt, upper lower hoses,radiator. Upper driver side of radiator inside near air cleaner there is a hose coming off it! Where dose it go and what dose it supply???
Mine is capped off with a bolt and a hose clamp. In the winter the driver side would blow just cold and still dose! So i guess my question is why doesn't the driver side have no heat or defrost just cold air passenger side has good hot air upper and lower heat.
Answer: By what you are describing, this sounds as if the radiator has been replaced. Replacement radiators come with all possible fitting, depending on application. If a port / fitting is not needed for the cars original setup, then it just gets plugged off. Nothing to worry about.
The above would have nothing to do with the heater, A/C problem. Most likely you have a faulty temperature door actuator motor under the dash for the malfunctioning side.
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