GMC 2010 T-Series, Owner'S Manual

Page: 255 / 294

1 Front axle service. (25)
1 Rear axle service – Eaton
®
, Rockwell
®
, Spicer
®
axles (or every 12 months, whichever occurs
first).
(24)
1 Exhaust brake service, if equipped. Check for
excessive spindle free play and smooth operation.
Lubricate ball joint cap.
1 Inspect air compressor discharge port (or every
6 months or every 1,800 hours, whichever
occurs first).
1 Trailer brake hand control valve service (or every
12 months, or every 3,600 hours, whichever o
ccurs first).
(29)
240 000 km (150,000 Miles)
1 Cooling system service (or every 60 months since
last service, whichever occurs first).
(2) (23)
1 Inspect engine drive belt; replace as necessary.
1 Diesel Particulate Filter (DPF) service (or every
4,500 hours, whichever occurs first). Then every
240 000 km (150,000 Miles), or every 4,500 hours,
whichever occurs first.
(32)
320 000 km (200,000 Miles)
1 Rear axle service – Eaton
®
, Rockwell
®
, Spicer
®
axles (or every 12 months, whichever occurs
first).
(24)
1 Remove, disassemble, clean, and inspect the air
brake trailer supply valve (or every 2 years,
or every 7,200 hours, whichever occurs first).
1 Inspect engine drive belt; replace as necessary.
480 000 km (300,000 Miles)
1 Rear axle service – Eaton
®
, Rockwell
®
, Spicer
®
axles (or every 12 months, whichever occurs
first).
(24)
1 Remove, disassemble, clean, and inspect the air
brake air dryer (or every 3 years, or 10,800 hours,
whichever occurs first). Replace desiccant.
1 Diesel Particulate Filter (DPF) service (or every
4,500 hours, whichever occurs first). Then every
240 000 km (150,000 Miles), or every 4,500 hours,
whichever occurs first.
(32)
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