See also:

TACHOMETER
The tachometer registers the speed of your engine in revolutions per minute (rpm). CAUTION: The engine should not be increased to such a speed that the needle enters the red zone on the tachomet ...

Driveshafts and Boots
Check the drive shafts, boots and clamps for cracks, deterioration, or damage. Replace any damaged parts and, if necessary, repack the grease. ...

Vehicle weight
This section will guide you in the proper loading of your vehicle, to keep your loaded vehicle weight within its design rating capability. Properly loading your vehicle will provide maximum return ...