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

Radiator Cap: Testing and Inspection





1. Remove the radiator cap, wet its seal with engine coolant, then install it on the pressure tester.
2. Apply a pressure of 93-123 kPa (14-18 psi).
3. Check for a drop in pressure.
4. If the pressure drops, replace the cap.