Winter is Coming
Time to think about winterizing your Bolt.
A good Tech Tip WINTERIZING YOUR TRUCK including a link back to the Forums for additional tips.
Try getting some silicon silicate it is a liquid with the consistency of molassas, that should fix the leak. Pour about a half pint in the warm motor. If that don't work then inliners.org will answer your 292 questions.
Larry
I don't own a vehicle that isn't old enough to drink.