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 MANUALSHYUNDAI1999ELANTRA WAGON L4-2.0LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSELECTRONIC BRAKE CONTROL MODULESERVICE AND REPAIR
1999 Hyundai Elantra Wagon L4-2.0L
Electronic Brake Control Module: Service and Repair
1999 Hyundai Elantra Wagon L4-2.0LSECTION Service and Repair
REMOVAL
1. Disconnect the brake tubes from the HECU.
2. Remove the HECU bracket mounting bolt and remove the HECU.
CAUTION:
1. Never attempt to disassemble the HECU.
2. The HECU must be transported and stored in upright position and with sealed ports. The HECU must not be drained.
3. Disconnect the HECU (Hydraulic and electronic Control Unit) and motor connector.
INSTALLATION
1. Follow the reverse order of removal.
2. Tighten the modulator mounting bolts and brake tube nuts to the specified torque.
Tightening torque.
HECU mounting bolt 8 - 10 Nm (80 - 100 kg.cm, 5.6 - 6.9 ft. lbs.)
Brake tube nut 13 - 17 Nm (130 - 170 kg.cm, 9 - 12 ft. lbs.)
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.