a radiator shop can flow test it. it has to be removed for this operation
Roy
Aug 4, 2012 at 6:06 PM
KHLOW2008
CAR REPAIR CONTRIBUTOR
41,814 POSTS
Symptoms do indicate the possibility of a partially clogged radiator. If you want to do a test, might as well service the radiator since the radiator is out.
Aug 5, 2012 at 4:24 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.