Owner's Manual
Page 344
... on top of your vehicle: Short Trip/City Intervals At 3,000 Miles (5 000 km): Drive Axle Service (2500 and 3500 Series with locking differential only). Drive Axle Service When Towing (2500 and 3500 Series only). Diesel Engine Only: Thermostatically Controlled Engine Cooling Fan Check (or every 12 months, whichever occurs first). Diesel...
... on top of your vehicle: Short Trip/City Intervals At 3,000 Miles (5 000 km): Drive Axle Service (2500 and 3500 Series with locking differential only). Drive Axle Service When Towing (2500 and 3500 Series only). Diesel Engine Only: Thermostatically Controlled Engine Cooling Fan Check (or every 12 months, whichever occurs first). Diesel...
Owner's Manual
Page 346
... conditions from the Short Trip/City Scheduled Maintenance are true. Long Trip/Highway Intervals At 7,500 Miles (12 500 km): Drive Axle Service (2500 and 3500 Series with a fully warmed engine under highway conditions will cause engine oil to break down slower. Every 7,500 Miles (12 500 km): Engine Oil and...
... conditions from the Short Trip/City Scheduled Maintenance are true. Long Trip/Highway Intervals At 7,500 Miles (12 500 km): Drive Axle Service (2500 and 3500 Series with a fully warmed engine under highway conditions will cause engine oil to break down slower. Every 7,500 Miles (12 500 km): Engine Oil and...
Owner's Manual
Page 349
j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed . 2500 and 3500 Series Only: j Change engine oil and filter (or every 3 months, whichever occurs first). j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check ...
j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed . 2500 and 3500 Series Only: j Change engine oil and filter (or every 3 months, whichever occurs first). j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check ...
Owner's Manual
Page 351
j Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Adjust or replace as needed. 2500 and 3500 Series Only: If driving in the United States. This is a Noise Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j ...
j Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). Adjust or replace as needed. 2500 and 3500 Series Only: If driving in the United States. This is a Noise Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j ...
Owner's Manual
Page 354
... Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed . 2500 and 3500 Series Only: j j 30,000 Miles (50 000 km) 27,000 Miles (45 000 km) DATE ACTUAL MILEAGE SERVICED BY: DATE ACTUAL MILEAGE SERVICED BY: If...
... Emission Control Service. j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed . 2500 and 3500 Series Only: j j 30,000 Miles (50 000 km) 27,000 Miles (45 000 km) DATE ACTUAL MILEAGE SERVICED BY: DATE ACTUAL MILEAGE SERVICED BY: If...
Owner's Manual
Page 357
... 000 km). 7-18 j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed . 2500 and 3500 Series Only: 45,000 Miles (75 000 km) DATE ACTUAL MILEAGE SERVICED BY: If driving in the Index for proper rotation pattern and additional information...
... 000 km). 7-18 j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed . 2500 and 3500 Series Only: 45,000 Miles (75 000 km) DATE ACTUAL MILEAGE SERVICED BY: If driving in the Index for proper rotation pattern and additional information...
Owner's Manual
Page 361
... components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as required. Adjust or replace as needed. 2500 and 3500 Series Only: j j j j 60,000 Miles (100 000 km) DATE ACTUAL MILEAGE SERVICED BY: If driving in the United States. Short Trip/City Scheduled Maintenance j Change...
... components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as required. Adjust or replace as needed. 2500 and 3500 Series Only: j j j j 60,000 Miles (100 000 km) DATE ACTUAL MILEAGE SERVICED BY: If driving in the United States. Short Trip/City Scheduled Maintenance j Change...
Owner's Manual
Page 365
... controlled cooling fan, inspect all hose connections, fasteners and other components are tight. j 7-26 j Check axle fluid level and add fluid as needed. 2500 and 3500 Series Only: If driving in dusty conditions. This is a Noise Emission Control Service. Short Trip/City Scheduled Maintenance 75,000 Miles (125 000 km) (Continued...
... controlled cooling fan, inspect all hose connections, fasteners and other components are tight. j 7-26 j Check axle fluid level and add fluid as needed. 2500 and 3500 Series Only: If driving in dusty conditions. This is a Noise Emission Control Service. Short Trip/City Scheduled Maintenance 75,000 Miles (125 000 km) (Continued...
Owner's Manual
Page 368
... (25 000 km). j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed. 2500 and 3500 Series Only: j j 90,000 Miles (150 000 km) DATE ACTUAL MILEAGE SERVICED BY: If driving in the Index for proper rotation pattern and additional information...
... (25 000 km). j Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) j Check axle fluid level and add fluid as needed. 2500 and 3500 Series Only: j j 90,000 Miles (150 000 km) DATE ACTUAL MILEAGE SERVICED BY: If driving in the Index for proper rotation pattern and additional information...
Owner's Manual
Page 373
... needed . This is a Noise Emission Control Service. j Vehicles With GVWR Above 10,000 lbs. An Emission Control Service. Adjust or replace as needed . 2500 and 3500 Series Only: j 7,500 Miles (12 500 km) DATE ACTUAL MILEAGE SERVICED BY: If your vehicle has a locking differential, drain fluid and refill at first engine...
... needed . This is a Noise Emission Control Service. j Vehicles With GVWR Above 10,000 lbs. An Emission Control Service. Adjust or replace as needed . 2500 and 3500 Series Only: j 7,500 Miles (12 500 km) DATE ACTUAL MILEAGE SERVICED BY: If your vehicle has a locking differential, drain fluid and refill at first engine...
Owner's Manual
Page 395
Wheel bearing lubricant meeting GM Specification 9986115. Rear Axle SAE 80W-90 Axle Lubricant (2500 and (GM Part No. 1052271 3500 Series or equivalent). Front Wheel Bearings Power Steering System Automatic Transmission Key Lock Cylinders Rear Axle SAE 75W-90 Synthetic (1500 Series Only) Axle Lubricant (...
Wheel bearing lubricant meeting GM Specification 9986115. Rear Axle SAE 80W-90 Axle Lubricant (2500 and (GM Part No. 1052271 3500 Series or equivalent). Front Wheel Bearings Power Steering System Automatic Transmission Key Lock Cylinders Rear Axle SAE 75W-90 Synthetic (1500 Series Only) Axle Lubricant (...
Owner's Manual
Page 396
.... 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. use only GM (2500 and Part No. 1052271. Do not add 3500 Series friction modifier. LubriplateR Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Dielectric Silicone...
.... 12377985 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. use only GM (2500 and Part No. 1052271. Do not add 3500 Series friction modifier. LubriplateR Lubricant Aerosol (GM Part No. 12346293 or equivalent) or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB. Dielectric Silicone...