GMC C series 2002 Owner's Manual page 293

54,000 Miles (90 000 km) (Continued)
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Hydraulic brake service (or every 6 months,
whichever occurs first). (7)
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Hydraulic brake caliper service (or every 6 months,
whichever occurs first). (22)
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Hydraulic parking brake service (or every 6 months,
whichever occurs first). (8)
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Clutch pedal free travel service. (10)
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Spark plug service. (3)(28)
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Clean air brake application valve (or every 3 months,
or every 300 hours, whichever occurs first);
lubricate linkage.
57,000 Miles (95 000 km)
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Check Oil Life Monitor. If engine oil and filter
are changed, reset monitor. See "Engine Oil" in
the Index. (3)(9)
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Check fluid levels (or every 3 months, whichever
occurs first). (1)(2)(6)
7-12
60,000 Miles (100 000 km)
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Check Oil Life Monitor. If engine oil and filter
are changed, reset monitor. See "Engine Oil" in
the Index. (3)(9)
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Check fluid levels (or every 3 months, whichever
occurs first). (1)(2)(6)
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Chassis lubrication service (or every 6 months,
whichever occurs first). (12)
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Replace fuel filter(s) (or every 12 months, whichever
occurs first). (3)
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Engine air cleaner filter replacement service
(or every 24 months, whichever occurs first). (3)(4)(27)
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Steering system service. (13)
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Front and rear suspension service. (14)
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- - -
Spring to axle U bolts and shackle
bolts service. (16)
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Exhaust system service (or every 6 months,
whichever occurs first). (3)(4)(17)
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Air brake service (or every 6 months, whichever
occurs first). (39)
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Lubricate door hinge pins and rollers with engine oil.