DD8 Long Haul
Long Haul service (over-the-road transport) applies to vehicles that annually travel more than 60,000 miles (96,000 km) and average greater than 8.5 miles per gallon with minimal city stop-and-go operation. Examples of Long Haul service are regional delivery that is mostly freeway mileage, interstate transport, and any road operation with high annual mileage.
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DD8: Long Haul Maintenance Intervals GHG17 with ULSD Fuel GHG17 Using DFS 93K222(CK-4) or 93K223(FA-4) Approved Oils |
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| Lubricating Oil | Replace every 60,000 miles (96,000 km) (2,000 hrs)* | ||||
| Lubricating Oil Filter | Replace every 60,000 miles (96,000 km) (2,000 hrs)* | ||||
| Coolant - Standard Life |
Maintain every 60,000 miles (96,000 km) (2,000 hrs)* Replace every 300,000 miles (480,000 km) (3,600 hrs) * |
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| Coolant - Extended Life |
Maintain every 120,000 miles (193,000 km) (2,000 hrs)* Replace every 600,000 miles (965,000 km) (7,200 hrs)* |
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| Fuel Filters (frame and engine) | Replace every 60,000 miles (96,000 km) (2,000 hrs)* | ||||
| Engine Steam Clean | At every oil change to remove particle buildup, grime, salt and normal fluid seepage, see How to Clean an Engine | ||||
| Valve Lash Adjustment | Adjust every 120,000 miles (193,000 km) (4,000 hrs)* | ||||
| Belts |
Inspect every 60,000 miles (96,000 km) (2,000 hrs)* Replace every 150,000 miles (241,000 km) (5,000 hrs)* |
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| Air System | Inspect every 60,000 miles (96,000 km) (2,000 hrs)* | ||||
| Air Cleaner | Refer to vehicle maintenance procedures | ||||
| Exhaust System | Inspect every 60,000 miles (96,000 km) (2,000 hrs)* | ||||
| Aftertreatment Devices | Inspect external hardware and connections every 6 months or at oil change intervals. * | ||||
| Diesel Particulate Filter ** |
A Check Engine Indicator or mileage/time intervals indicate when ash cleaning is required. Use DETROIT Diesel Corporation’s authorized DPF cleaning procedure. Failure to follow this procedure could result in engine and/or aftertreatment damage, causing degraded vehicle performance including excess fuel consumption and decreased engine life. Normal DPF ash clean interval is every 150,000 miles (241,000 km) (5,000 hrs)* |
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| DEF Pump Filter | Replace every 500,000 miles (805,000 km) (10,000 hrs) (3 years)* | ||||
| Air Compressor | Inspect every 60,000 miles (96,000 km) (2,000 hrs)* | ||||
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*Whichever comes first. Note: Reaching the Davco change line supersedes these intervals. **Detroit highly recommends exchanging the DPF with a Detroit™ genuine DPF to ensure maximum life. |
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