Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil.
The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...
Certification/Tire Label
Certification/Tire Label
A vehicle specific Certification/ Tire label is found on the rear edge of the driver door. The label shows the size of your vehicle's original tires and the inflation press ...
2011 GMC Sierra 2500HD Review
The "professional grade" brand unveiled the 2011 GMC Sierra Heavy Duty lineup
at the 2010 NTEA Work Truck Show. Most of the technical specifications of GM's
HD pickups are identical, but ...





