# Service bulletin 985A50

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: 613021
- Published by NHTSA: 2000\-06\-16
- Manufacturer's number: 985A50
- Manufacturer's date: 1998\-03\-18
- NHTSA component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

## NHTSA's summary

EXPERIENCING EXCESSIVE BRAKE PEDAL TRAVEL ACCOMPANIED BY REDUCED BRAKING EFFECTIVENESS WHEN THE VEHICLE IS OPERATED AT AN IDLE FOR EXTENDED PERIODS, IN HILLY TERRAIN, IN HIGH AMBIENT TEMPERATURES AND / OR WHEN THE VEHICLE IS LOCATED IN EXCESS OF ITS GROSS VEHCLE WEIGHT RATING \(GVWR\). \*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

Brakes, Anti\-lock brakes

## Vehicles listed

- 1989 to 1995 FORD F SUPER DUTY

## Other bulletins for the same vehicles and component

- [95212](/bulletins/46478.md), 1996-04-25, Service bulletin: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. THE USE OF PETROLEUM\-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE BECAUSE IT MAY BE INCOMPATIBLE WITH THE RUBBER MATERIAL USED IN THE DISC BRAKE SYSTEM. IF PETROLEUM\-BASED GREASE IS USED TO LUBRICATE ANY PART OF THE DISC BRAKE SYSTEM, IT COULD CAUSE RUBBER PARTS TO SWELL IF LUBRICANT CONTACTS THE RUBBER MATERIAL.

JSON: [/v1/bulletins/613021](/v1/bulletins/613021)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20985A50&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F613021&vehicle=Service%20bulletin%20985A50)