Hyundai Elantra (CN7) 2021-2025 Service Manual
Hyundai Elantra (CN7) 2021-2025 Service Manual
This service manual contains a wealth of information, including technical specifications, maintenance procedures, repair instructions, electrical system insights, engine and transmission details, chassis and body repair guides, HVAC troubleshooting, safety system explanations, emission control data, and a comprehensive list of specialized tools.

The emission control system of your
vehicle is covered by a written limited
warranty. Please see the warranty
information contained in the Owner’s
Handbook & Warranty Information
booklet in your vehicle...
Other information:
Components and components location
Components1. Front muffler2. Catalytic converter & Center muffler3. Rear muffler4. Gasket5. Hanger
Repair procedures
Removal and InstallationFront Muffler1.Disconnect the battery negative terminal.2.Disconnect the oxygen sensor connector (A).3.Remove the heat protector (A). Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 ..
Inspection
•
Wrap the protective tape on the tool to disassemble with the screwdriver or remover. •
Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil. Front Door Lock Module Inspection1.Remove the front door trim.(Refer to Body - "Front Door Trim")2.Remove the..