# Service bulletin 12590

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: 6091822
- Published by NHTSA: 2000\-11\-15
- Manufacturer's number: 12590
- Manufacturer's date: 1999\-03\-01
- NHTSA component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

## NHTSA's summary

SOME 4X4 VEHICLES MAY EXHIBIT A MOAN NOISE FROM THE FRONT DIFFERENTIAL WHEN THE VEHICLE IS OPERATING IN 4X2 MODE AND GOES AWAY WHEN OPERATING IN 4X4 MODE. \*TT

## 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

- 1997 to 1999 FORD F\-150
- 1997 to 1999 FORD F\-250

## Other bulletins for the same vehicles and component

- [99143](/bulletins/608419.md), 1999-11-24, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SOME 4X4 VEHICLES BUILT WITH CENTER DISCONNECT FRONT AXLES MAY EXHIBIT A MOANING NOISE FROM THE FRONT DIFFERENTIAL WHILE OPERATING IN 4X2 MODE. \*TT
- [996139](/bulletins/606989.md), 1999-09-09, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:DRIVELINE. CONCERNS WITH FRONT DIFFERENTIAL NOISE. \*TT
- [996113](/bulletins/606979.md), 1999-09-09, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:DRIVELINE. EXPERIENCING FRONT DIFFERENTIAL NOISE. \*TT
- [5955](/bulletins/605263.md), 1999-06-07, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SUBJECT REGARDING FRONT DIFFERENTIAL NOISE INVESTIGATION. \*TT

JSON: [/v1/bulletins/6091822](/v1/bulletins/6091822)

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