W 350 Pickup V8-360 5.9L VIN I (1986)
Transfer Case Actuator: All Technical Service Bulletins
Front Axle - No 4X4 Engagement
No.
02-02-86
P-1425
Date
April 21, 1986
Index
FRONT SUSPENSION
Subject
Front Axle Disconnect Will Not Engage
Models
1985-1986 "W" & "AW" Models With Front Axle Disconnect
SYMPTOM/CONDITION
No engagement of four wheel drive after shift into "4H" or "4L".
DIAGNOSIS
Check the actuator at the front axle for vacuum lines being disconnected. If the lines are disconnected, it could be due to mud or snow packing around
the vacuum motor and vacuum lines, and causing the vacuum lines to disconnect from the motor.
REPAIR PROCEDURE
This repair involves the installation of a revised vacuum motor shield.
1.
Remove the present vacuum motor shield from the axle.
2.
Reinstall vacuum lines and new clamps, PN 6032173, on vacuum motor.
3.
Install new vacuum motor shield, PN 04384135.
4.
Check vacuum motor for proper operation.
POLICY:
Reimbursable within the provisions of the warranty
TIME ALLOWANCE:
Labor Operation No.
02-60-05-90
0.3 Hrs.
FAILURE CODE:
65 - Leaks
