Service bulletin 29030
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10137758 |
| Published by NHTSA | 2018-05-21 |
| Manufacturer's number | 29030 |
| Manufacturer's date | 2016-04-11 |
| NHTSA component | EQUIPMENT:MECHANICAL |
NHTSA's summary
29030 ? Customer Satisfaction Program. These vehicles may have been built with grease applied to the trailing arm to knuckle attachment bolts. Grease added under the shoulder of the bolts could result in the bolts slipping over time. If the bolts loosen there would be an increasing amount of noise from the rear suspension. Left unaddressed, the upper bolts could potentially back out completely. This would result in a noticeable swaying of the vehicles? rear end from road inputs while driving, and increased noise. The vehicle handling is not affected. Dealers are to replace the four rear control arm to knuckle bolts. It will also be necessary to clean any grease from the bolt mounting surfaces.
The document
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
Equipment and accessories
| CHEVROLET SILVERADO 1500 | 2014 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 2500 | 2015 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA DENALI | 2014, 2015 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 18V267000 | 2018-04-26. EQUIPMENT |
|---|---|
| 13V544000 | 2015-10-30. EQUIPMENT:OTHER:LABELS |
| 14V345000 | 2014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL |
| 2014216 | 2014-06-06. Accessories |
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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