Hyundai Genesis: Front Propeller Shaft Assembly / Propeller Shaft Repair procedures

Inspect Flexible Coupling
Check the front and rear flexible couplings for cracks or damage.
Inspect the flexible coupling centering bushing.If the busing is damaged, replace the propeller shaft assembly.

Propeller Shaft Runout
Install a dial indicator with its needle on the center of front propeller shaft or rear propeller shaft.
Turn the propeller shaft slowly and check the runout. Repeat this procedure for the other propeller shaft.

Front Propeller Shaft Runout : 0.3mm (0.012in.)

Universal Joint Inspect
Check that the spider bearing rotates smoothly.
Check that there is no play in the spider bearing and replace the propeller shaft if necessary.

Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported.
Remove the muffler.
(Refer to Engine Mechanical System - "Muffler")
Loosen the mount bolts and then aluminum cover (A).

Tightening torque :
6.9 ~ 13.7 N.m (0.7 ~ 1.4 kgf.m, 5.1 ~ 10.1 lb-ft)

Remove the center bearing bracket (A) mounting bolts.

Tightening torque :
49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)

Remove the cross member (A), stay mounting bracket (B). [2WD]

When removing the cross member (A), use a jack for safety.
After making a match mark (C) on the rubber coupling (A) and rear differential companion (B), remove the propeller shaft mounting bolts (D).[4WD]

Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft)

When retightening the propeller shaft mounting bolts after removing them, each bolt and washer must be placed in its original position and bolt insertion direction must be the same as before, so make marks not to allow the bolts and washers to be mixed up before removing the propeller shaft.
If the position and direction of the propeller shaft mounting bolts and washers are reversed, it may cause vibration and noise at high vehicle speeds due to imbalance in the propeller shaft.
If abnormal vibration and noise occur at high vehicle speeds after replacing propeller shaft with a new one, balance the propeller shaft with a balancing machine.
Make the alignment marks (C) on the rubber coupling of the propeller (A) and companion, and the corresponding marks on the differential carrier (B), and then remove the propeller shaft tightening bolt (D).

Tightening torque :
88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)

Install in the reverse order of removal.
Propeller Shaft Components and Components Location
Components Location 1. Propeller shaft2. Center bearing bracket ...

Differential Carrier Assembly

Other information:

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