Service bulletin 340613

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

"Brake Disc and Brake Pad Guidelines and Reference Information. INFORMATION Examples of components that do not need to be replaced, including cosmetic guidelines: 1.Grooves However, the groove depth must be evaluated to determine if replacement is necessary. If the groove's or grooves' depth goes beyond the minimum thickness, then disc replacement is necessary. NOTE: * Always refer to the Repair Manual for model-specific information. * Always replace discs in pairs (per axle). * Install new brake pads when replacing discs. ??Attach a hang tag to the inside rearview mirror after completion of repair work. 2.NAO-specific color transfer since 2009 introduction Non-asbestos Organic (NAO) brake pad material, by design, reduces brake dust and may generate a visible dark transfer layer between pads and discs. This behavior is specific to the stateof-the-art technology found in NAO pad material. The pad compound incorporates nonferrous metal, which can affect the appearance of the brake discs. Color transfer on friction surfaces: With heavy or extreme braking, color transfer to the disc from the pads is intensified and may generate dark spots or circular traces. Normal braking will gradually reduce the discoloration. This will not affect braking performance. No repair attempt is needed. 3.Light rust on friction surfaces Brake disc friction surfaces are exposed metal. When not in use and exposed to environmental elements (moisture, salt, dirt), surface rust can form. During initial braking, this will self-clean and an audible groan and/or noise is temporarily heard. This will not affect braking performance. No repair attempt is needed. A hang tag can be found in the box of new brake pads. It is advisable to make extra copies for explanation to the customer. Attach the hang tag to the inside rearview mirror after completion of the repair work. Advise the customer to avoid extreme braking for the first 125 miles. This initial ""bedding in"" is important to the brake compo

The document

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Components

Brakes

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