GMC 2010 T-Series Owner's Manual page 255

1 Front axle service. (25)
1 Rear axle service
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)
® ®
Eaton , Rockwell , Spicer
320 000 km (200,000 Miles)
®
1 Rear axle service
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
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)
® ®
Eaton , Rockwell , Spicer
® ®
Eaton , Rockwell , Spicer
®
®
6-17