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.
Repair Procedures: Removal
- Turn ignition switch OFF and disconnect the negative (-) battery cable
- Remove the Engine room fuse & relay box (B) after removing the cover (A).
- Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a wrench.
Tightening torque:
A: 11.8 ~ 15.7 N.m (1.2 ~ 1.6 kgf.m, 8.7 ~ 11.6 lb-ft)
B: 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)
- Disconnect the ESP control unit connector (A).
- Loosen the HECU bracket bolts (A: 3 EA), then remove HECU and bracket.
Tightening torque:
21.8 ~ 32.4 N.m (2.2 ~ 3.3 kgf.m, 15.9 ~ 23.9 lb-ft)
- Remove the bolts, then remove the bracket from HECU.
Tightening torque:
10.8 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 8.0 ~ 10.1 lb-ft)
CAUTION:- Never attempt to disassemble the HECU.
- The HECU must be transported and stored in.
- Never shake to the HECU.
NO RELATED
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.