Chevrolet Kodiak 2006 Owner's Manual page 340

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)
12,000 Miles (20 000 km)
®
7.8L DURAMAX 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)
®
7.8L DURAMAX 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
the Index. (2) (7)
6-6
15,000 Miles (24 000 km)
®
Diesel)" in
Gasoline Engine Only: Check engine oil life system.
If engine oil and filter are changed, reset system.
See "Engine Oil (Gasoline Engine)" in the
Index. (2) (8)
®
6.6L DURAMAX Diesel Without Engine Oil Life
System Only: Change engine oil and filter
(or every 12 months, or every 750 hours of engine
operation, whichever occurs first). (2)
®
6.6L DURAMAX Diesel With Engine Oil Life System
Only: Check oil life system. If engine oil and filter are
changed, reset system. See "Engine Oil (DURAMAX
Diesel)" in the Index. (2) (9)
Chassis lubrication service (or every 6 months,
whichever occurs first). (11)
Check fluid levels (or every 3 months, whichever
occurs first). (1) (5)
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 5-35
for more information.
®