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.
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HOMESERVICE MANUALSSUBARU2002LEGACY L SEDAN AWD F4-2.5L SOHCREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - BRAKES AND TRACTION CONTROLELECTRONIC BRAKE CONTROL MODULESERVICE AND REPAIRABS
2002 Subaru Legacy L Sedan AWD F4-2.5L SOHC
ABS
2002 Subaru Legacy L Sedan AWD F4-2.5L SOHCSECTION ABS
REMOVAL
1. Disconnect ground cable from battery.
2. Remove air intake duct from engine compartment to facilitate removal of ABSCM & H/U.
3. Use an air gun to get rid of water around the ABSCM & H/U.
CAUTION: The contact will be insufficient if the terminal gets wet.
4. Pull off the lock of the ABSCM & H/U connector to remove it.
5. Disconnect connector from ABSCM & H/U.
CAUTION: Be careful not to let water or other foreign matter contact the ABSCM & H/U terminal.
6. Unlock cable clip.
7. Disconnect brake pipes from ABSCM & H/U.
CAUTION: Wrap brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.
8. Remove ABSCM & H/U ground terminal from bracket.
9. Remove ABSCM & H/U from engine compartment.
CAUTION:
^ ABSCM & H/U cannot be disassembled. Do not attempt to loosen bolts and nuts.
^ Do not drop or bump ABSCM & H/U.
^ Do not turn the ABSCM & H/U upside down or place it on its side.
^ Be careful to prevent foreign particles from getting into ABSCM & H/U.
^ Apply a coat of rust-preventive wax (Nippeco LT or GB) to bracket attaching bolt after tightening.
^ Do not pull harness when disconnecting connector.
INSTALLATION
1. Install ABSCM & H/U.
CAUTION: Confirm that the specifications of the ABSCM & H/U conforms to the vehicle specifications.
Tightening torque: 18 Nm (1.8 kgf-m, 13.0 ft. lbs.)
2. Install ABSCM & H/U ground terminal to bracket.
Tightening torque: 32 Nm (3.3 kgf-m, 24 ft. lbs.)
3. Connect brake pipes to their correct ABSCM & H/U connections.
Tightening torque: 15 Nm (1.5 kgf-m, 10.8 ft. lbs.)
4. Using cable clip, secure ABSCM & H/U harness to bracket.
5. Connect connector to ABSCM & H/U.
CAUTION:
^ Be sure to remove all foreign matter from inside the connector before connecting.
^ Ensure that the ABSCM & H/U connector is securely locked.
6. Install air intake duct.
7. Connect ground cable to battery.
8. Bleed air from the brake system.
1. Disconnect ground cable from battery.
2. Remove air intake duct from engine compartment to facilitate removal of ABSCM & H/U.
3. Use an air gun to get rid of water around the ABSCM & H/U.
CAUTION: The contact will be insufficient if the terminal gets wet.
4. Pull off the lock of the ABSCM & H/U connector to remove it.
5. Disconnect connector from ABSCM & H/U.
CAUTION: Be careful not to let water or other foreign matter contact the ABSCM & H/U terminal.
6. Unlock cable clip.
7. Disconnect brake pipes from ABSCM & H/U.
CAUTION: Wrap brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.
8. Remove ABSCM & H/U ground terminal from bracket.
9. Remove ABSCM & H/U from engine compartment.
CAUTION:
^ ABSCM & H/U cannot be disassembled. Do not attempt to loosen bolts and nuts.
^ Do not drop or bump ABSCM & H/U.
^ Do not turn the ABSCM & H/U upside down or place it on its side.
^ Be careful to prevent foreign particles from getting into ABSCM & H/U.
^ Apply a coat of rust-preventive wax (Nippeco LT or GB) to bracket attaching bolt after tightening.
^ Do not pull harness when disconnecting connector.
INSTALLATION
1. Install ABSCM & H/U.
CAUTION: Confirm that the specifications of the ABSCM & H/U conforms to the vehicle specifications.
Tightening torque: 18 Nm (1.8 kgf-m, 13.0 ft. lbs.)
2. Install ABSCM & H/U ground terminal to bracket.
Tightening torque: 32 Nm (3.3 kgf-m, 24 ft. lbs.)
3. Connect brake pipes to their correct ABSCM & H/U connections.
Tightening torque: 15 Nm (1.5 kgf-m, 10.8 ft. lbs.)
4. Using cable clip, secure ABSCM & H/U harness to bracket.
5. Connect connector to ABSCM & H/U.
CAUTION:
^ Be sure to remove all foreign matter from inside the connector before connecting.
^ Ensure that the ABSCM & H/U connector is securely locked.
6. Install air intake duct.
7. Connect ground cable to battery.
8. Bleed air from the brake system.
RENDER: 1.0x
NO RELATED
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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.