what would cause a radiator hose to blow off bottom of radiator when it gets hot
Try new hose and clamps
How old is the hose ? Could have been a weak spot in hose or could have been rubbing against a belt or part of the vehicle that just rubbed it until it broke or radiator cap could be faulty building up to much pressure in radiator causing hose to burst.
Search Chrysler PT Cruiser Questions
Chrysler PT Cruiser Experts