Hyundai Sonata LF: Audio / Audio Unit Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Audio / Audio Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the cluster fascia upper panal.
(Refer to Body - "Cluster Fascia Upper Panel")
3.
Remove the audio head unit (A) after loosening the screws.

4.
Remove the audio head unit after disconnecting the connectors and cable (A).

   
When the compact disc is not ejected, do not remove it forcibly.
Installation
1.
Connect the audio unit connectors and cable.
2.
Install the audio head unit.
3.
Install the cluster fascia upper panel.
4.
Connect the negative (-) battery terminal.
   
A.
Make sure the connector are connected in properly.
B.
Check the audio system.

    Audio Unit Components and Components Location

    C..

    Speakers Repair procedures

    Inspection 1. Troubleshooting for Speaker (1) Basic inspection of speaker Inspect the sound from speaker after verifying that the speaker mounting screws is removed and the wiring connector is connected precisely to remove vibration transmitted from body trims and surrounding parts...

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    Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting


    Troubleshooting SymptomPossible causeRemedyHard steeringImproper front wheel alignmentExcessive turning resistance of lower arm ball jointLow tire pressureNo power assistCorrectReplaceAdjustRepair or replacePoor return of steering wheel to centerImproper front wheel alignmentCorrectPoor or rough rideImproper front wheel alignmentMalfunctioning shock absorberBroken or worn stabilizerBroken or worn coil springWorn lower arm bushingCorrectRepair or replaceReplaceReplaceReplace the lower arm assemblyAbnormal tire wearImproper front wheel alignmentImproper tire pressureMalfunctioning shock absorberCorrectAdjustRepair or replaceWanderingImproper front wheel alignmentPoor turning resistance of lower arm ball jointLoose or worn lower arm bushingCorrectReplaceRetighten or replaceVehicle pulls to one sideImproper front wheel alignmentExcessive turning resistance of lower arm ball jointBroken or worn coil springBent lower armCorrectReplaceReplaceRepair or replaceSteering wheel shimmyImproper front wheel alignmentPoor turning resistance of lower arm ball jointBroken or worn stabilizerWorn lower arm bushingMalfunctioning shock absorberBroken or worn coil springCorrectReplaceReplaceReplaceRepair or replaceReplaceBottomingBroken or worn coil springMalfunctioning shock absorberReplaceRepair or replace Wheel /tire noise, vibration and harshness concerns are directly related to vehicle speed and are not generally affected by acceleration, coasting or decelerating...

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