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2006-2007 Mazda MX-5 Popping Noise from Radio When Passing Over Bumps

November 29th, 2010 · No Comments

2006-2007 MX-5 vehicles with VIN from JM1 NC**** ** 100288 to 116742 (produced June 20, 2005 to April 8, 2006)
Some vehicles may experience a popping noise from AM radio stations when passing over bumps. This symptom will be present only when AM band is selected. Due to insufficient crimping, poor contact occurs at antenna feeder connectors 1 and/or 2. As a mass production change, the crimping of the antenna feeder connectors has been revised. Customers having this concern should have their vehicle repaired using the following repair procedure.
1. Verify customer concern.
2. Replace antenna feeders No. 1 and No. 2 with modified ones.
• For antenna feeder No. 1, refer to ANTENNA FEEDER NO. 1 REPLACEMENT procedure.
• For antenna feeder No. 2, refer to the appropriate procedure.
- For soft top equipped models, refer to ANTENNA FEEDER NO. 2 REPLACEMENT – SOFT TOP procedure.
- For retractable hard top equipped models, refer to ANTENNA FEEDER NO. 2 REPLACEMENT – POWER RETRACTABLE HARD TOP procedure.
NOTE: If vehicle is equipped with detachable hardtop (not retractable), detachable hardtop must be removed before performing this procedure.
3. Verify repair.
1. Remove dashboard assembly to access antenna feeder No. 1. Refer to Workshop Manual section 09-17 -DASHBOARD REMOVAL / INSTALLATION. Antenna feeder No. 1 is attached to the rear of the dashboard.
NOTE: It is easier to remove the dashboard with top in the down position. Antenna feeders can be identified by the Orange tape used to attach the feeders to the clips that retain the feeder to the rear of the dashboard and the vehicles body. After removing dashboard, place a fender cover under dashboard to prevent damage. When removing driver and passenger side walls trim, pull toward rear of vehicle when removing to prevent damage to retaining clips. Refer to service bulletin 09-007/07 for additional information.

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