Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Lower the headliner.
Refer to: Headliner - Lowering (501-05 Interior Trim and Ornamentation, Removal and Installation).
Disconnect the electrical connector, release the tabs and remove the microphone...
Bring the engine to normal operating temperature. Connect
the Vacuum/Pressure Tester to the intake manifold. Run the engine at the
specified idle speed.
The vacuum gauge should read between 51-74 kPa (15-22 in-Hg)
depending upon the engine condition and the altitude at which the test
is conducted...