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.
2009 Jeep Commander 4WD V8-5.7LFACTORY OEM SERVICE PROCEDURE
Installation
INSTALLATION
1. Install coil springs and insulators. Raise axle into place.
2. Install lower control arms (1) to axle brackets (2).
3. Install upper control arms (2) to axle brackets (1).
4. Install shock absorbers (1) to axle brackets (2).
5. Install stabilizer bar (1) and clamps (2) to axle.
6. Install propeller shaft.
7. Install axle vent hose (1) to axle vent (2) and cover bracket.
NOTE: If a bearing flange stud is loose or has backed out tighten stud to 27 Nm (20 ft. lbs.).
8. Install axle shaft (1) into axle tube and backing plate with new O-ring on axle.
9. Slip O-ring (2) through backing plate, then push axle through backing plate until bearing (1) is exposed.
10. Install O-ring (2) axle bearing.
11. Push axle into axle tube.
12. Install axle (2) flange nuts (1) and tighten to 119 Nm (88 ft. lbs.).
13. Install speed sensors (2) in axle tube (1) flange.
14. Install calipers and rotors.
15. Install differential cover (1), fill differential and install fill plug (2).
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:
- 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.
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