Other information:
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...
Removal
NOTICE:
Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
NOTE:
Removal steps in this procedure may contain installation details.
Vehicles equipped with subwoofer
Remove the subwoofer and amplifier unit...