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OEM JBL 86160-08110 Repair

These are midbass speakers found in the 2001 Toyota Sienna (and similar models such as the Sequoia). They may fail after a few years of use depending on ambient conditions and how heavily they are used, and start producing a rattling noise. There is foam material that holds the cone semi-rigidly to the metallic assembly, and it has likely come free at the outer edge. They can be fixed easily. Notice the thin metallic region in the picture where the foam had been attached to previously.

Obtain some superglue, with a pen-like tip or precision applicator. I picked up this adhesive from Gorilla and it cost about $4.

Slightly push the foam up from below the speaker using your finger or some other soft material. Place the applicator tip between the foam and the metallic assembly, such that the superglue can be applied directly to the metal. If you are right handed, point the applicator to your left and move in a clockwise direction while applying the glue. If you are left handed, go the other way. Apply a bit of glue to the metal, visually check as you go to make sure it is being applied properly. You can go twice around the circumference to ensure the glue is applied thoroughly. You don’t need to use too much.

Go over the foam and press down at the edge using a piece of cardboard or soft material so it is in contact with the adhesive and metal assembly. Afterwards, press down over the center dust cap and check the movement of the cone, and ensure it could move smoothly. Try to make sure the foam is even all around and it is not pulled too much to one side, but a small amount of unevenness is fine. Let the adhesive cure for the full recommended time, generally 24 hours.

Below I’ve included some more pictures of the terminals and JBL connector. To remove the connector you need to unhook clips at either side, flip that portion up away from the rest of the plastic, and insert a small screwdriver from the wire side (grey wire) and press down on a metallic clip. Then the connector can be pulled free from the terminals.

Below, the terminals and manufacturer information. After testing, I determined the longer terminal (green wire) is negative and the shorter terminal (grey wire) is positive.


Update (February 2013): The glue that I used here did not hold the foam in place for long. You may have to use another type of adhesive, perhaps some form of rubber cement. For best results it may be necessary to purchase a re-foaming/re-edging kit designed to work with this speaker's dimensions and use the components provided there. That will ensure that the speaker provides quality sound for another few, maybe ten, years.