GMC TopKick 2007, Owner'S Manual

Page: 378 / 430

❑
Fuel tank, fuel cap and fuel lines service
(or every 72 months, whichever occurs
first).
(2) (26) †
❑
Exhaust Gas Recirculation (EGR) system
inspection (if equipped) (or every 72 months,
whichever occurs first).
(2) (27)
❑
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).
82,500 Miles (132 000 km)
❑
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)
❑
Check fluid levels (or every 3 months,
whichever occurs first).
(1) (5)
❑
Chassis lubrication service (or every 6 months,
whichever occurs first).
(11)
❑
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)
378