What should be done if a truck's steering gear is adjusted too loosely?

When a truck's steering gear is adjusted too loosely, it's important to address the issue to ensure safe and responsive handling. Adjusting the sector shaft is the appropriate action in this situation. This adjustment can help to decrease excessive play in the steering system, improving the driver’s control and the overall safety of the vehicle.

Proper adjustment of the sector shaft can mitigate issues resulting from looseness, such as wander or an unresponsive steering feel, which could become more dangerous at higher speeds or when navigating turns. Ensuring that all steering components are correctly tensioned and aligned is vital for the vehicle's performance and safety.

The other options do not appropriately address the issue of a loose steering gear. Replacing the steering gear without investigating the cause of the looseness may lead to unnecessary parts replacement and cost. Ignoring the problem can result in severe handling issues, while lubricating the steering linkage does not resolve the fundamental adjustment issue and may only provide a temporary solution without addressing the root cause.