answersLogoWhite

0


Best Answer

There is a petcock on the bottom corner of the passenger side on the radiator. If you turn the petcock and open the valve the coolant will drain out of the drain hole on the bottom passenger side of the radiator. Make sure you have a big bucket to catch the coolant in or you will be making a huge mess. The proper way to fill the radiator is to take the upper radiator hose off and pour the coolant in until the radiator is full. Then replace the radiator hose and fill the overflow to the correct level. Start the car and let it run till it is hot and the fans kick on (should be about 220F ~ 230F). Turn the car off and let it cool, then top off the overflow bottle. You should be fine to drive the car at this point, but after heating up the car again you may need to top it off again so keep some coolant handy. The cobalt uses dexcool.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you drain radiator in 2005 Chevy Cobalt?
Write your answer...
Submit
Still have questions?
magnify glass
imp