Locking Hubs - Vacuum Control System: Removal & Installation Dodge Cab & Chassis R2500

Removal

1. Raise and support the vehicle at a comfortable working height.
2. Disconnect the vacuum and wiring connector from the shift housing.
3. Remove the shift motor housing cover, gasket and shield from the housing.
4. Remove the E-clips from the shift motor housing and shaft. Remove shift motor and shift fork from the housing. (Scheme 6)
5. Remove the O-ring seal from the shift motor shaft.
6. Clean and inspect all the components. If any component is excessively worn or damaged, it should be replaced.

Scheme 6

Installation

1. Install a replacement O-ring seal on the shift motor shaft. see scheme 5
2. Insert the shift motor shaft through the hole in the housing and shift fork. The shift fork offset should be toward the differential.
3. Install the E-clips on the shift motor shaft and housing.
4. Install the shift motor housing gasket and cover. Ensure that the shift fork is correctly guided into the shift collar groove.
5. Install the shift motor housing shield and attaching bolts. Tighten the bolts to 10 ft. lbs. (14 Nm).

Scheme 7

Scheme 8

Scheme 9

Scheme 10

Scheme 11