Toyota Tundra Service Manual > Automatic Disconnecting Differential Actuator(for 4wd): Inspection
INSPECTION PROCEDURE 1. INSPECT DIFFERENTIAL VACUUM ACTUATOR ASSEMBLY (a) Inspect the A.D.D. actuator (differential vacuum actuator assembly). (1) Remove the A.D.D. actuator (differential vacuum actuator assembly) (See page ). (2) Check the Free to Lock switch. Connect lines via a relay as shown in ...
