See also:

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 ...

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. ...

Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...