Black plate (16,1)
GMC Yukon Denali/Yukon XL Denali Owner Manual - 2011
10-16
Vehicle Care
Consistency of Readings
Always check the fluid level at
least twice using the procedures
described. Consistency (repeatable
readings) is important to maintaining
proper fluid level. If fluid is added, it
may take 15 minutes or longer to
obtain an accurate reading because
of residual fluid draining down the
dipstick tube. If inconsistent
readings persist, check the
transmission breather to be sure
it is clean and not clogged.
If readings are still inconsistent,
contact your dealer.
Engine Air Cleaner/Filter
See
Engine Compartment Overview
on page 10
‑
6
for the location of 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 mile)
interval. See
Scheduled
Maintenance on page 11
‑
2
for
more information. If driving on
dusty/dirty conditions, inspect the
filter at each engine oil change.
How to Inspect the Engine
Air Cleaner/Filter
To inspect the air cleaner/filter,
remove the engine air cleaner/filter
from the vehicle by following
Steps 1 through 6. When the engine
air cleaner/filter is removed, lightly
shake it to release loose dust and
dirt. If the engine air cleaner/filter
remains caked with dirt, a new filter
is required. Never use compressed
air to clean the filter.
