3.5RL V6-3474cc 3.5L (2001)
Engine Mount Control Actuator: Testing and Inspection
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 (230 mmHg, 9.1 in.Hg), and check that the actuator rod moves smoothly. Replace
the engine mount if the actuator rod does not operate.