Diaphragm Actuator Test

Diaphragm Actuator Test
1. Disconnect the vacuum hoses, then remove the left and right engine mounts.





2. Remove the actuator cover.
3. Clean and oil the diaphragm actuator rod.





4. With a vacuum pump/gauge, apply vacuum of about 30.7 kPa (320 mm Hg, 9.1 inch Hg) and check that the actuator rod moves smoothly.
Replace the engine mount if the actuator rod does not operate.