# Service bulletin TSB\-0121\-08

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: 10033115
- Published by NHTSA: 2010\-07\-08
- Manufacturer's number: TSB\-0121\-08
- Manufacturer's date: 2008\-06\-30
- NHTSA component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

## NHTSA's summary

TOYOTA: SOME FOUR WHEEL DRIVE TRUCKS MAY EXHIBIT A CONDITION WHERE A CYCLIC NOISE CAN BE HEARD FROM THE FRONT OF THE VEHICLE BETWEEN 15 AND 30 MPH \(24\-48KM/H\) ONLY WHEN DRIVING IN 2WD. THIS NOISE CAN BE DESCRIBED AS A HOWL, GROWL, GRIND, OR DRONE NOISE. PRODUCTION CHANGES HAVE BEEN IMPLEMENTED TO HELP PREVENT THIS NOISE. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Transmission and driveline, Differential

## Vehicles listed

- 2007 to 2008 TOYOTA TUNDRA

JSON: [/v1/bulletins/10033115](/v1/bulletins/10033115)

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