How do you flush cooling system on 1997 olds aurora
Wednesday, January 5th, 2011 AT 5:05 PM
1 Reply
ERNEST CLARK
MECHANIC
1,730 POSTS
You remove the thermostat housing and thermostat. Place heater controls on high and place a water hose in the radiator hose. Turn on water until it runs out clean. Then refill making sure to bleed the system of all air.