1999 Pontiac Montana Owner's Manual - Page 291
1999 Pontiac Montana Manual
Page 291 highlights
yellowblue 6. Then replace the pressure cap. At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap. Be sure the arrows on the pressure cap line up like this. 7. Then fill the coolant recovery tank to the FULL COLD mark. 8. Put the cap back on the coolant recovery tank. 5-19
yellow
blue
5-19
6.
Then replace the pressure cap. At any time during
this procedure if coolant begins to flow out of the
filler neck, reinstall the pressure cap. Be sure the
arrows on the pressure cap line up like this.
7.
Then fill the coolant recovery tank to the
FULL COLD mark.
8.
Put the cap back on the coolant recovery tank.