Chevrolet 2000 C-Series Owner's Manual page 282

48,000 Miles (80 000 km) (Continued)
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Rear axle air shift motor service. (11)
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Check air brake relay valve operation and check
for leaks (or every month, or every 300 hours,
whichever occurs first).
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Air brake chamber service (or every 2 months,
whichever occurs first). (41)
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Trailer brake hand control valve service (or every
3 months, or 900 hours, whichever occurs first). (42)
51,000 Miles (85 000 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)
54,000 Miles (90 000 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
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Chassis lubrication service (or every 6 months,
whichever occurs first). (12)
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Inspect door hinge pins and bushings and replace
if necessary. Lubricate door hinge pins and rollers
with engine oil.
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Wheels and tires service. (15)
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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)