Service bulletin 2052785/4

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

Condition: Customer statement: Noise complaint from the braking system. Workshop findings: The noise can be reproduced and clearly assigned to the braking system. Technical Background Brake noises can be attributed to many causes. Eight of the most common causes are: 1. Brake discs or pads are close to their wear limit. 2. New brake pads and/or discs have not been properly bedded in after installation. 3. Aftermarket pads or discs are installed. 4. There is debris such as small stones, grit, road salt or sand between the brake disc and pad. 5. Discs are covered in rust. Rust can form when the vehicle has been stationary for long periods of time (Figure 1). 6. Discs have a groove in them (Figure 2) 7. There is chemical contamination on the braking surface of the disc due to a wheel or tyre cleaner being sprayed directly onto the disc (Figure 3). 8. There are pad marks on the brake disc as a result of the brake pad material transferring to the discs. This can occur when a vehicle has been stood for long periods of time in a wet or snowy environment (Figure 4).

The document

• NHTSA's copy of the document (PDF)
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The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Listing a model year does not mean every vehicle of it is concerned: the document says which.

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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