Check the harmonic damper on your front axle. These can get knocked off or the bracket bent it he axle and transmission breather pipe and intact and are still led up into the engine compartment. Suspension bushes obviously take a hammering and these need replacing as soon as they become loose. Have a look to see if all your suspension bump stops are still on.
While you’re checking underneath, take the grease gun with you and give the prop shaft universal and sliding joints a few pumps until you see the old grease moving out. Apart from ensuring they’re well lubricated, this helps keep water out. Wipe the excess grease off, otherwise it will collect dirt.
The prop shaft joint work much harder because of the extra axle articulation off road. Check the props for impact damage and make sure the balance plate is it attached. Loss of a balance weight or impact may mean the shaft have to be removed and rebalanced by a driveline specialist, otherwise it will accelerate wear on the joints, and the diff and transfer box bearing and oil seals.
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