The 165 Massey Ferguson steering box is a complex piece of equipment. It requires special tools and expertise to repair. If you are not a trained mechanic, it is best to take your vehicle to a qualified specialist for repairs. The most common problem with the Massey Ferguson steering box is a leak. This can be caused by worn seals or faulty parts. These parts should be examined, replaced and/or repaired by a skilled technician. Other problems may include worn or loose bearings, malfunctioning bearings, a loose steering column or a misaligned steering shaft. These problems should also be inspected and potentially repaired or replaced by a qualified mechanic.