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232 SERVICING AND MAINTENANCE
American Petroleum Institute (API)
Approved Engine Oil
These symbols mean that the oil has been certified by the
API. The manufacturer only recommends API trademark
oils.
The API Starburst trademark certifies 0W-20,
0W-30 and 5W-30 engine oils.
The API Donut trademark certifies 0W-40 and
5W-40 engine oil.
Synthetic Engine Oils
Your engine was designed for synthetic engine oils, only
use synthetic API approved engine oils.
Synthetic engine oils which do not have both the correct
API trademark and the correct SAE viscosity grade
numbers should not be used.
Shaker Hood — If Equipped
Shaker Hood Oil Filler
For vehicles equipped with a Shaker Hood, the upper
scoop will need to be removed so that oil can be properly
added to the engine.
To do this, see the following procedure:
1. Remove the four nuts with the Shaker tool located in
glove compartment.
2. Lift off the upper scoop.
NOTE:
Be sure to clean off all debris around or inside the Shaker
assembly.
3. Locate the oil fill cover in the base assembly and
expose the oil fill cap.
4. Remove oil fill cap to add oil.
5. Reinstall Shaker assembly.
Shaker Hood Air Filter Cleaning
Shaker air filters are made of a unique, washable
synthetic material. Base program air filters with paper
media cannot be washed. All filters follow the same
service interval, though Shaker systems substitute a
cleaning while paper air filter elements are to be replaced.
1. Remove the air filter from the intake and set the
filter clamp aside.
2. Measure the length of the filter media.
3. Fill a bucket with warm clean water to the depth
matching the filter media measurement and add a
mild household detergent or air filter cleaning
solution.
NOTE:
Never use strong detergents, high pressure, or gasoline on
air filters.
4. Without allowing the solution to flow back into the
inside of the air filter, submerge the filter media into
the water and let it soak for ten minutes.
5. Empty the bucket filled with dirty water and repeat
steps 3 and 4.
6. Refill the bucket with clean warm water and rinse the
filter by rotating the filter.
NOTE:
The water should be clean with no signs of dirt in the
bucket.
7. Allow the filter to air dry. Reinstall the filter on the
intake system once it is dry.
NOTE:
Do not use forced air pressure to dry the air filter as
damage may occur and void the warranty.
Shaker Hood Removal And Cleaning
1. Remove the four nuts with the Shaker tool located in
the glove compartment.
2. Lift off the upper scoop.
NOTE:
Be sure to clean off all debris around or inside of the
Shaker assembly.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
23_LA_OM_EN_USC_t.book Page 232
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