Component Tests: Cap
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the pressure relief cap and seals for damage or deterioration. Install a new pressure relief cap if necessary.
- Fit the pressure relief cap to the Radiator/Heater Core Pressure Tester Kit using the correct adapter.
- Slowly pump the pressure tester until the pressure gauge stops increasing and note the highest pressure reading. Release the pressure and repeat the test. Install a new pressure relief cap if the pressure is not within specification. Refer to the GENERAL SPECIFICATIONS .
NOTE:
If the plunger of the pressure tester is depressed too fast, an incorrect pressure reading will result.