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.

2011 Hyundai Azera GLSFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

Remove the air cleaner. (Refer to MASTER CYLINDER
Disconnect the brake tube from the HECU by unlocking the nuts counterclockwise with a spanner.

Fig 1: Identifying HECU
Courtesy of HYUNDAI MOTOR CO.
Disconnect the connector(A) from the HECU.

Fig 2: Identifying HECU Connector With HECU Bracket Mounting Bolts
Courtesy of HYUNDAI MOTOR CO.
Remove the two HECU brake mounting bolts(B), and then disassemble the HECU with the bracket.
CAUTION:
1. Never attempt to disassemble the HECU.
2. The HECU must be transported and stored in
3. Never apply shock to the HECU.
Remove the two HECU mounting nuts and washers, and then remove the bracket.

Factory Service Tools

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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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