CTS V6-2.8L (2006)
Axle Shaft: Service and Repair
Wheel Drive Shaft Replacement
Tools Required
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J44394Seal Protector
Removal Procedure
1. Raise and support the vehicle.
2. Remove the tire and wheel assembly.
3. Insert a drift or punch into the brake rotor and against the caliper in order to prevent the wheel hub and bearing from turning.
Important: The wheel drive shaft spindle nut must not be reused. Replace the wheel drive shaft spindle nut with a new nut whenever it is
removed.
4. Remove and discard the wheel drive shaft spindle nut.
5. Remove the drift or punch from the rotor.
6. Remove the rear knuckle assembly.
7. Using a suitable tool, carefully release the wheel drive shaft from the rear differential enough to install the J44394.
8. Carefully install the J44394 over the wheel drive shaft.
Notice: J-44394 must be installed into the differential output shaft seal prior to removing and installing the wheel drive shaft. Failure to install
J-44394 as indicated may cause the splines of the wheel drive shaft to cut the differential output seal.
9. Carefully slide the J44394 into the differential output shaft seal.
10. Remove the wheel drive shaft from the vehicle.
11. If reusing the wheel drive shaft remove and discard the wheel drive shaft retaining ring. The wheel drive shaft retaining ring is on the splined shaft
of the cross groove joint.
Installation Procedure
1. Install the new wheel drive shaft retaining ring. The wheel drive shaft retaining ring is on the splined shaft of the cross groove joint.
