Chevrolet 2009 Kodiak Owner's Manual page 325

❑ Cooling system service. Clean the cooling system filler
cap with clean water, clean the core, pressure test the
cap and the system for proper pressure capability, and
inspect condition of cooling and heater hoses and
clamps. Replace hoses if cracked, swollen, or
damaged.
❑ 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)
❑ 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)
❑ Air brake system valve service (or every 3 months, or
every 900 hours, whichever occurs first). (37)
❑ Air compressor dry element pleated paper air strainer
service (or every 2 months, or every 800 hours,
whichever occurs first).
❑ Thermostatically controlled engine cooling fan
service. (3) (19)
❑ Shields and underhood insulation service. (3) (4) (20)
❑ Rear axle air shift motor service. (10)
❑ Air intake system service (or every 24 months,
whichever occurs first). (3) (4) (23)
❑ Evaporative Control System service, if equipped, (or
every 24 months, whichever occurs first). (2) (24) †
❑ Gasoline Engine: Air compressor remote mounted air
filter dry element pleated paper air strainer service (or
every 6 months or every 1800 hours, whichever
occurs first).
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