Timing Chain Repair procedures
Components and Components LocationHyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
   Troubleshooting
SymptionSuspect areaRemedyEngine misfire with abnormal internal lower engine noises
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Worn crankshaft bearings
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Loose or out of specification engine flywheel
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Replace the crankshaft and bearings as required.
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Repair or replace the flywheel as req ...
   
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
   Component Location
1. BCM (Body Control Module)2. Ultrasonic sensor
    
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Rear parking assist control unit function is built in BCM (Body Control Module).
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