Technical data

Black plate (6,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - CRC - 10/21/14
11-6 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Severe
12 000 km/7,500 mi
24 000 km/15,000 mi 36 000 km/22,500 mi 48 000 km/30,000 mi 60 000 km/37,500 mi 72 000 km/45,000 mi 84 000 km/52,500 mi 96 000 km/60,000 mi
108 000 km/67,500 mi 120 000 km/75,000 mi 132 000 km/82,500 mi 144 000 km/90,000 mi 156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi 204 000 km/127,500 mi 216 000 km/135,000 mi 228 000 km/142,500 mi 240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace engine air cleaner filter. (1) @ @ @
Change automatic transmission fluid and filter.
Filter is external on pickups and internal on vans.
@ @ @
Change automatic transmission external filter -
pickup only.
@ @
Drain and fill engine cooling system. (2) @
Visually inspect accessory drive belts. (3) @
Replace brake fluid. (4) @
Footnotes — Maintenance
Schedule Additional Required
Services - Severe
(1) Or every four years, whichever
comes first.
(2) Or every five years, whichever
comes first. See Cooling System on
page 10-17.
(3) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(4) Or every 10 years, whichever
comes first.