GMC C-Series 2001, Owner'S Manual

Page: 292 / 324

7-14
72,000 Miles (120 000 km)
j Check Oil Life Monitor. If engine oil and filter
are changed, reset monitor. See “Engine Oil”
in the Index. (3)(9)
j Check fluid levels (or every 3 months, whichever
occurs first). (1)(2)(6)
j Chassis lubrication service (or every 6 months,
whichever occurs first). (12)
j Inspect door hinge pins and bushings and replace as
necessary. Lubricate door hinge pins and rollers with
engine oil.
j Wheel bearing (grease type) service (or every
24 months, whichever occurs first, and whenever
hubs are removed). (23)
j Wheels and tires service. (15)(46)
j Hydraulic brake service (or every 6 months,
whichever occurs first). (7)
j Hydraulic brake caliper service (or every 6 months,
whichever occurs first). (22)
j Hydraulic parking brake service (or every 6 months,
whichever occurs first). (8)
j Engine drive belts service (or every 12 months,
whichever occurs first). (18)
j Clutch pedal free travel service. (10)
j Thermostatically controlled engine cooling
fan service. (4)(20)
j Shields and underhood insulation service. (4)(5)(21)
j Air intake system service (or every 24 months,
whichever occurs first). (4)(5)(24)
j Fuel tank, fuel cap and fuel lines service (or every
72 months, whichever occurs first). (3)(30)
[
j EGR system inspection (or every 72 months,
whichever occurs first). (3)(31)
j Evaporative Control System Service (if equipped) (or
every 24 months, whichever occurs first). (3)(26)
[
j Rear axle air shift motor service. (11)
j Check air brake relay valve operation and check for
leaks (or every month, or every 300 hours,
whichever occurs first).
j Clean air brake application valve (or every 3 months,
or every 300 hours, whichever occurs first);
lubricate linkage.
j Air brake chamber service (or every 2 months,
whichever occurs first). (41)
j Trailer brake hand control valve service (or every
3 months, or 900 hours, whichever occurs first). (42)