FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

RADIATOR CAP





1. Check the radiator cap for damage, cracks and deterioration.





2. Attach a radiator cap tester to the radiator.
3. Pump the tester until the pointer stabilizes.
4. If the pointer stays constant for 10 seconds at a point exceeding the service limit, the radiator cap is good.