When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the scheduled maintenance intervals and replace it at the first oil change after each 80 000 km (50,000 mi) interval. See Maintenance Schedule for more information.
If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Solid structure
At the core of Rainier's quiet ride quality are best-in-class body-stiffness
attributes. With its all-out dedication to isolation from road noise and
vibration, Rainier achieves sound levels some ...
2011 Buick Regal Review
More than a few surprises have accompanied the rebirth of General Motors.
Chief among them is the resurgence of Buick, which was chosen as one of just
four brands GM kept alive, even as it euthani ...
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl ...