Chevrolet KODIAK 2005 Owner's Manual page 328

Gasoline Engine: Inspect engine air cleaner filter. If
necessary, replace the filter. If vehicle is driven in
dusty/dirty conditions, inspect filter at every engine oil
change. See Engine Air Cleaner/Filter on page 5-33
for more information.
Diesel Engine: Inspect engine air cleaner filter change
indicator. If necessary, replace the filter. If vehicle is
driven in dusty/dirty conditions, inspect filter change
indicator at every engine oil change. See Engine Air
Cleaner/Filter on page 5-33 for more information.
®
DURAMAX Diesel Only: Replace fuel filter (or every
750 hours of engine operation, whichever occurs first).
Chassis lubrication service (or every 6 months,
whichever occurs first). (11)
Replace fuel filter(s) (or every 12 months, whichever
occurs first). (2)
Inspect door hinge pins and bushings and replace as
necessary.
Steering system service. (12)
Front and rear suspension service. (13)
Spring-to-axle U-bolts and shackle bolts service. (15)
Exhaust system service (or every 6 months, whichever
occurs first). (2) (3) (16)
Wheels and tires service. (14)
6-14
Hydraulic brake service (or every 6 months, whichever
occurs first). (6) (36)
Parking brake service (or every 6 months, whichever
occurs first). (21)
Air brake service (or every 6 months, whichever
occurs first). (32)
Air brake automatic slack adjuster service (or every
500 hours, whichever occurs first). (33)
Check air brake relay valve operation and check for
leaks (or every month, or every 300 hours, whichever
occurs first).
Clean air brake application valve (or every 3 months,
or every 300 hours, whichever occurs first). Lubricate
linkage.
Air brake chamber service (or every 2 months,
whichever occurs first). (34)
C600, C700, and C800 Gasoline Engines Only:
Engine drive belts service (or every 12 months,
whichever occurs first). (17)
Thermostatically controlled engine cooling fan
service. (3) (19)
Shields and underhood insulation service. (3) (4) (20)
Air compressor dry element pleated paper air strainer
service (or every 2 months or every 800 hours,
whichever occurs first).