Rotary Blade Coupling

Rotary Blade Coupling

Removal
1. Remove the driveshaft.





2. Disconnect the electrical connector.





3. NOTE: Drain the differential fluid into a suitable drain pan.

Remove the bolts and the rear differential cover.
^ Drain the differential fluid from the housing





4. If equipped, remove the rear differential mass damper.
1 Remove the bolts.
2 Remove the rear differential mass damper.





5. Remove the six bolts and rotary blade coupling assembly.

Installation

1. CAUTION: Make sure the machined surfaces on the rear axle housing, the differential housing cover and the rotary blade coupling housing are clean and free of oil before installing the new silicone sealant. The inside of the rear axle must be covered when cleaning the machined surface to prevent contamination.

Clean the gasket mating surfaces of the differential housing, the differential housing cover and the rotary blade coupling housing.

2. NOTE: Make sure the grommet is seated all the way in the slot. The rotary blade coupling assembly must be installed within 15 minutes of application of the silicone, or new sealant must be applied. If possible, allow one hour before filling with lubricant to make sure the silicone sealant has properly cured.

Apply a new continuous bead of clear silicone rubber to the rotary blade coupling housing.





3. Install the rotary blade coupling assembly and six bolts.





4. CAUTION: The mass damper bolts must be installed in the sequence shown or damage to the vehicle may occur.

NOTE: Install the mass damper bolts by hand until finger tight.

If equipped, install the rear differential mass damper.
^ Position the rear differential mass damper, and install the bolts in the sequence shown.





5. If equipped, finally tighten the mass damper the bolts in the sequence shown.





6. NOTE: The differential housing cover must be installed within 15 minutes of application of the silicone, or new sealant must be applied. If possible, allow one hour before filling with lubricant to make sure the silicone sealant has properly cured.

Apply a new continuous bead of clear silicone rubber to the differential housing cover as shown in the illustration.





7. Install the differential housing cover and bolts.





8. Connect the electrical connector.
9. Install the driveshaft.





10. Fill the rear axle with 1.4 liters (2.95 pints) of rear axle lubricant.
^ Tighten the filler plug.