# Service bulletin 050498

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: 601570
- Published by NHTSA: 1998\-08\-10
- Manufacturer's number: 050498
- Manufacturer's date: 1998\-06\-12
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE

## NHTSA's summary

VEHICLES LISTED ON THIS BULLETIN ARE EQIPPED WITH REAR HEIGHT SENSING PROPORTIONING VALVE THAT ADJUST BRAKE PRESSURE TO THE REAR BRAKES BASED UPON DISTANCE BETWEEN FRAME AND REAR AXLE. \*AK

## 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

## Vehicles listed

- 1997 to 1999 DODGE RAM

## Recalls for the same vehicles and component

- [04V185000](/recalls/nhtsa/04V185000.md), 2004-04-12: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
- [1998074](/recalls/tc/1998074.md), 1998-04-20: Brakes
- [98V075000](/recalls/nhtsa/98V075000.md), 1998-04-08: SERVICE BRAKES, AIR:DISC:ROTOR

## Other bulletins for the same vehicles and component

- [050797](/bulletins/6088771.md), 2000-01-07, Service bulletin: PARKING BRAKE:CONVENTIONAL. CONCERNS WITH PARK BRAKE RELEASE HANDLE DOES NOT FULLY RETURN TO REST POSITION. \*NLM
- [050597](/bulletins/6088765.md), 2000-01-07, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS. CONCERNS WITH ACCELERATED BRAKE LINING WEAR, FRONT VERSUS REAR. \*NLM
- [050699](/bulletins/606161.md), 1999-08-11, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. INFORMATION REGARDING ACCELERATED BRAKE LINING WEAR, FRONT VERSUS REAR. \*TT
- [050799](/bulletins/606160.md), 1999-08-11, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. BRIEF INFORMATION ON THE USE OF ASBESTOS FIBER BRAKE LININGS. \*TT
- [050797](/bulletins/54433.md), 1998-04-07, Service bulletin: PARKING BRAKE. CONDITION WITH PARK BRAKE RELEASE HANDLE DOES NOT FULLY RETURN TO REST POSITION. \*YC
- [050497](/bulletins/54386.md), 1998-04-07, Service bulletin: SERVICE BRAKES, AIR:DRUM:SHOES/LININGS. FRONT BRAKE LINING WEAR PREMATURELY WHEN COMPARED TO THE WEAR EXPERIENCED ON THE REAR BRAKE LININGS. \*YC
- [050397](/bulletins/51965.md), 1997-07-17, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS. BRAKES \- CHASSIS DYNAMICS DIAGNOSIS. \*TW

JSON: [/v1/bulletins/601570](/v1/bulletins/601570)

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