Factory maintenance schedule OEM · verified
Normal service, condensed from the factory interval matrix.
Under the factory schedule, replace the engine oil and filter every 5,000 mi; spark plugs every 60,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.
| At 5,000 mi | Diesel Fuel Injection Pump (inspect) · Throttle Plate (inspect) · Throttle Return Spring (inspect) · Universal Vehicle Operation (inspect idle speed) |
| Every 5,000 mi | Clutch Master Cylinder (inspect fluid level) · Clutch Release Lever Pivot Points (lubricate) · Driveshaft U-Joint (lubricate) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Fuel Filter Water Separator (inspect) |
| At 7,500 mi | Tire & Wheel Assembly (rotate) |
| Every 7,500 mi | Driveshaft Slip Yoke (lubricate) · Tire & Wheel Assembly (rotate) |
| Every 15,000 mi | Accessory Drive Belt (inspect) · Brake Line (inspect) · Brake System (inspect) · Diesel Fuel Injection Pump (inspect) · Disc Brake Caliper Guide Pin (lubricate) · Throttle Plate (inspect) |
| Every 30,000 mi | Air Intake System (inspect) · Brake Hydraulic System (inspect fluid level) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Engine Coolant System (drain, flush & refill) · Exhaust System (Complete) (inspect) |
| Every 60,000 mi | Air Injection System (inspect) · Fuel Filter (replace) · Idle Air Bypass Solenoid (inspect) · PCV Valve (replace) · Spark Plug Wires (replace) · Throttle Body (inspect) |
| Every 100,000 mi | Drive Axle Assembly (drain & refill) |