Also check the driveshaft U-bolt fasteners. If these become loose, it can cause a driveline vibration, and can eventually cause a leak at the rear output seal.
Tightening driveshaft U-joint U-bolts
TREMEC-Transmission-Maintenance-15
Also check the driveshaft U-bolt fasteners. If these become loose, it can cause a driveline vibration, and can eventually cause a leak at the rear output seal.
Tightening driveshaft U-joint U-bolts