ENGINE GETTING HOT on 2001 Saab 9-5

RECENTLY HAD MY RADIATOR REPLACED. NOW MY TEMP GAUGE IS GETTING HOT, GOING BACK TO NORMAL, GETTING HOT AGAIN....

Asked by for the 2001 Saab 9-5
2 answers
replace your thermostat
The most common things are:
- low coolant level
- air trapped in the system
- failing thermostat

Zee