The suspension allows the wheels of a vehicle to roll over bumps and through potholes while keeping the car in control and the passengers comfortable. Numerous parts in the suspension system move around and connect to the vehicle via joints. Common joints include ball joints and u-joints. Proper lubrication keeps moving parts moving. Some connections in the suspension will contain bushings that could benefit from lubrication as well.
The manufacturer should have a certain number of miles it suggests in the owner's manual that the vehicle will travel before needing lubrication on parts of the suspension. Different joints, pivots, and bushings will need individual attention. Some parts will need more attention than others. When accessing the points in the suspension that need to be serviced, inspect surrounding parts and components that may show wear. This includes parts along the drivetrain or within the steering system. Preventative maintenance can be very straightforward with regular inspection of crucial parts.
This service is important in several ways. Without proper lubrication, the suspension will not provide a comfortable ride. If the vehicle is not going over sumps smoothly, the handling could be negatively affected. Expensive parts wear out faster with excess friction.
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