I've had similar issues with my backhoe, and replacing the bearings did help. It also prevented further leaks. I'd recommend doing what the dealership suggested. - JohnDoe
Vent tubes are essential to prevent overflow and excess pressure. Make sure they are clean and not blocked. - JaneSmith
Check if your seal is the correct size and type for your specific model. Incorrect seals can lead to leaks. - PaulWalker
If you've gone through 5 seals in less than 1600 hrs, it might be worth checking the axle shaft for wear or damage. - MrFixIt