Final answer:
During vehicle service, the maintenance of power steering systems involves checking and topping off steering fluid. U-Joints typically require greasing, while the differential and transfer case need regular fluid level and quality checks. Boots and drive shafts require inspection for physical damage rather than fluid maintenance.
Step-by-step explanation:
- During the vehicle service stage, maintenance typically involves checking and, if necessary, filling various fluids to ensure the proper functioning of the vehicle's systems. For steering systems, particularly those with power steering, it is essential to check the power steering fluid and top it off as needed. This ensures that the steering is smooth and responsive.
- In regard to U-Joints, or universal joints, these typically require greasing rather than fluid checks, unless they are part of a drivetrain that includes lubrication within a sealed system. Then, the focus would be on maintaining the integrity of the seals and checking for any leaks.
- The differential and transfer case are critical components in the drivetrain of a vehicle, particularly for those with all-wheel drive (AWD) or four-wheel drive (4WD) systems. These parts require regular checks of their respective fluids to ensure they are properly lubricated and functioning correctly, which includes checking for the correct oil levels and the quality or condition of the oil.
- Boots and drive shafts themselves do not require fluid checks, but rather inspection for damages or tears in the boots that could lead to the need for replacement to prevent dirt and debris from entering and causing damage to the joints and the driveshaft.