Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSDODGE AND RAM1999DAKOTA SLT, 2D PICKUP, 3.9 X, 4WD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSQUICK-SERVICESERVICE INTERVALS & SPECIFICATIONSREPLACEMENT INTERVALS (RAM PICKUP - HEAVY-DUTY - GASOLINE)
1999 Dodge and Ram Dakota SLT, 2D Pickup, 3.9 X, 4WD, Standard
Replacement Intervals (Ram Pickup - Heavy-Duty - Gasoline)
1999 Dodge and Ram Dakota SLT, 2D Pickup, 3.9 X, 4WD, StandardSECTION Replacement Intervals (Ram Pickup - Heavy-Duty - Gasoline)
| Component | Months | Miles | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air Filter | ||||||||||||||||||||||
| 5.9L | ||||||||||||||||||||||
| Normal Service | 24 | 24,000 | ||||||||||||||||||||
| Severe Service | (3) | (4) 12,000 | ||||||||||||||||||||
| 8.0L | 12 | 12,000 | ||||||||||||||||||||
| Air Injection Pump Filter | ||||||||||||||||||||||
| Normal Service | 24 | 24,000 | ||||||||||||||||||||
| Severe Service | (3) | (4) 12,000 | ||||||||||||||||||||
| Coolant | (5) | (5) | ||||||||||||||||||||
| EGR Valve (5.9L Only) (6) | ||||||||||||||||||||||
| Normal Service | 60 | 60,000 | ||||||||||||||||||||
| Severe Service | (3) | 60,000 | ||||||||||||||||||||
| Engine Oil | ||||||||||||||||||||||
| Normal Service | 6 | 6000 | ||||||||||||||||||||
| Severe Service | (3) | 3000 | ||||||||||||||||||||
| Engine Oil Filter | ||||||||||||||||||||||
| 5.9L | ||||||||||||||||||||||
| Normal Service | 12 | 12,000 | ||||||||||||||||||||
| Severe Service | (3) | 6000 | ||||||||||||||||||||
| 8.0L | ||||||||||||||||||||||
| Normal Service | 6 | 6000 | ||||||||||||||||||||
| Severe Service | (3) | 3000 | ||||||||||||||||||||
| PCV Valve (5.9L Only) | ||||||||||||||||||||||
| Normal Service | 60 | 60,000 | ||||||||||||||||||||
| Severe Service (7) | (3) | 30,000 | ||||||||||||||||||||
| Distributor Cap & Rotor (5.9L Only) | ||||||||||||||||||||||
| Normal Service | 60 | 60,000 | ||||||||||||||||||||
| Severe Service | (3) | 60,000 | ||||||||||||||||||||
| Spark Plugs | ||||||||||||||||||||||
| Normal Service | 30 | 30,000 | ||||||||||||||||||||
| Severe Service | (3) | 30,000 | ||||||||||||||||||||
| Spark Plug Wires | ||||||||||||||||||||||
| Normal Service | 60 | 60,000 | ||||||||||||||||||||
| Severe Service | (3) | 60,000 | ||||||||||||||||||||
| Oxygen Sensor (5.9L Only) | ||||||||||||||||||||||
| Normal Service | 82 | 82,500 | ||||||||||||||||||||
| Severe Service | (3) | 82,500 | ||||||||||||||||||||
| Automatic Transmission Fluid, Filter & Band Adjustment | ||||||||||||||||||||||
| Normal Service | 24 | 24,000 | ||||||||||||||||||||
| Severe Service | (3) | 12,000 | ||||||||||||||||||||
| Manual Transmission Fluid | (8) | (8) | ||||||||||||||||||||
| Transfer Case Fluid (4WD) | ||||||||||||||||||||||
| Normal Service | 36 | 36,000 | ||||||||||||||||||||
| Severe Service | (3) | 18,000 | ||||||||||||||||||||
| Front Differential Fluid (4WD) (9) | ||||||||||||||||||||||
| Severe Service | (3) | 12,000 | ||||||||||||||||||||
| Rear Differential Fluid (9) | (3) | 12,000 | ||||||||||||||||||||
| Repack Front Wheel Bearings | ||||||||||||||||||||||
| 2WD | ||||||||||||||||||||||
| Normal Service | 24 | 24,000 | ||||||||||||||||||||
| Severe Service | (3) | 9000 | ||||||||||||||||||||
| 4WD | ||||||||||||||||||||||
| Normal Service | 18 | 18,000 | ||||||||||||||||||||
| Severe Service | (3) | 6000 | ||||||||||||||||||||
|
||||||||||||||||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.