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.
2003 Jeep Grand Cherokee OverlandFACTORY OEM SERVICE PROCEDURE
Engine Controls - Service & Adjustment Specifications: Capacities
FLUID CAPACITIES
| Application | (1) Quantity | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crankcase (2) | ||||||||||||||||||||
| 4.0L & 4.7L | 6.0 Qts. (5.7L) | |||||||||||||||||||
| Cooling System | ||||||||||||||||||||
| 4.0L | (3) 15.0 Qts. (14.1L) | |||||||||||||||||||
| 4.7L | (3) 14.5 Qts. (13.7L) | |||||||||||||||||||
| Automatic Transmission | ||||||||||||||||||||
| 42RE (4) | ||||||||||||||||||||
| Drain & Refill | 4.0 Qts. (3.8L) | |||||||||||||||||||
| Dry Fill | 9.6-10.0 Qts. (9.1-9.5L) | |||||||||||||||||||
| 545RFE (4) | ||||||||||||||||||||
| Drain & Refill | ||||||||||||||||||||
| 2WD | 11 Pts. (5.2L) | |||||||||||||||||||
| 4WD | 13 Pts. (6.2L) | |||||||||||||||||||
| Dry Fill | 14 Qts. (13.3L) | |||||||||||||||||||
| Axles | ||||||||||||||||||||
| Front | ||||||||||||||||||||
| Model 186 FBI (5) | 2.5 Pts. (1.2L) | |||||||||||||||||||
| Rear | ||||||||||||||||||||
| Model 198 RBI (6) | 3.5 Pts. (1.7L) | |||||||||||||||||||
| Model 226 RBA (6) | 4.8 Pts. (2.3L) | |||||||||||||||||||
| Power Steering (7) | N/A | |||||||||||||||||||
| Transfer Case | ||||||||||||||||||||
| NV 242 (4) | 3.0 Pts. (1.4L) | |||||||||||||||||||
| NV 247 (8) | 3.4 Pts. (1.6L) | |||||||||||||||||||
|
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Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
