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.
2008 Jeep Commander 4WD V6-3.7LFACTORY OEM SERVICE PROCEDURE
Removal
REMOVAL
1. Remove the negative battery cable from the battery.
2. Install a brake pedal prop rod.
3. Siphon the master cylinder.
4. Disconnect the HCU electrical connectors (5).
5. Remove the primary brake line at the master cylinder.
6. Remove the primary brake line from the HCU (4).
7. Remove the secondary brake line at the master cylinder.
8. Remove the secondary brake line at the HCU (4)
9. Remove the 4 chassis lines (3) at the HCU (4).
10. Remove the 1 mounting nut and 1 bolt holding the HCU bracket attachment to the vehicle.
11. Remove the HCU (3) with the bracket (5) from the vehicle.
12. Remove the 3 ABM bolts securing the ABM (1) to the HCU (2).
13. Separate the ABM (1) from the HCU (2).
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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