Fan dosnt run all the time did put black duct tape over grill and does help with getting it to climb to two bars below middle bar where it should be but still won't stay at highlighted bar where before I had the problem would stay.Did reset all c,odes did hear something about ac not working correctl...

Have 2004 s80 live in Vermont have snows with studs and front wheel drive only never had a problem and travel 30 miles to work each way. Better in snow than all wheel drive chevy Tahoe. Tires make all the difference!!

All fluids are good it does heat up if your not moving once I start moving temp drops. Did put ome thermostat in. What about temp sending unit? Does run good

Have 2004 s80 won't heat up to normal operating temperature. Have changed thermostat, coolant temp sensor not sure what to do next. Any ideas?