Chevrolet 2007 Kodiak Owner's Manual page 369

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)
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).
36,000 Miles (55 000 km)
Isuzu 6H Diesel Without Engine Oil Life System
Only: Change engine oil and filter (or every
12 months, or every 600 hours of engine
operation, whichever occurs first). (2)
Isuzu 6H Diesel With Engine Oil Life System
Only: Check oil life system (or every 12 months,
or every 600 hours of engine operation,
whichever occurs first). If engine oil and filter
are changed, reset system. See "Engine Oil
®
(DURAMAX /Isuzu Diesel)" in the Index. (2) (7)
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