FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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18. Distortion on AM or on Both AM and FM

DIAGNOSIS

STEP 1. How much distortion is there?
If there is occasional distortion, go to Step 2.
If there is constant distortion, go to Step 3.

STEP 2. Is there distortion near the radio station?
If yes, the antenna may receive too strong signal.
If no, go to Step 3.

STEP 3. Are the speaker cords in contact with the cone paper?
If yes, move the cords away from the cone paper. Check that a distortion is resolved.
If no, go to Step 4.

STEP 4. Remove the speakers, and check for torn cone paper or foreign material.
If there is torn cone paper or foreign material, repair or replace the speakers. Check that a distortion is resolved.
If there is not torn cone paper or foreign material, go to Step 5.

STEP 5. Check for distortion with the speaker installed.
If yes, install the speaker securely. Check that a distortion is resolved.
If no, repair or replace the radio. Check that a distortion is resolved.