Apart from the obvious Id also look at your towbar bolts
Theyare just ketting dipped in the drink off road,
Ill swear by BEARING BUDDIES best product ever
My trailr/camper is getting a new water tank for our next fishing trip.
Its an 85ltr that Ill fit at the back of the camper to balance the weight a bit better
Check all electrical wires including the trailer plug on the rear of the Patrol thats
probably been drowned a few times as well.
Ill have a Dolium 55ltr tank for sale later on, it will fit acoss the floor behind the driver
so ildesl for ywo up touring