See also:

Removing the ball coupling
Observe the manufacturer's installation instructions. Press the protective cap into the ball coupling recess. Make sure that the protective cap is firmly in place. ...

General notes
WARNING Vehicles with HYBRID: ensure that you read the "HYBRID" supplement. You may otherwise fail to recognize dangers. WARNING Making alterations to electronic components can ...

Brake fluid
WARNING Over a period of time, the brake fluid absorbs moisture from the air; this lowers its boiling point. If the boiling point of the brake fluid is too low, vapor pockets may form in the ...