# Service bulletin 26\-050

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: 10083243
- Published by NHTSA: 2016\-10\-21
- Manufacturer's number: 26\-050
- Manufacturer's date: 2016\-09\-01
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

FP26050 DT\-12 BRAKE PISTON SEALS

## 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

- 2016 to 2017 FREIGHTLINER CASCADIA

## Recalls for the same vehicles and component

- [2023051](/recalls/tc/2023051.md), 2023-02-10: Brakes
- [23V073000](/recalls/nhtsa/23V073000.md), 2023-02-10: ELECTRONIC STABILITY CONTROL \(ESC\); SERVICE BRAKES, AIR:ANTILOCK:MODULATOR
- [2022626](/recalls/tc/2022626.md), 2022-11-01: Brakes
- [22V817000](/recalls/nhtsa/22V817000.md), 2022-11-01: SERVICE BRAKES, AIR:ANTILOCK:MODULATOR; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
- [2020444](/recalls/tc/2020444.md), 2020-09-18: Brakes
- [2020305](/recalls/tc/2020305.md), 2020-07-02: Brakes
- [20V390000](/recalls/nhtsa/20V390000.md), 2020-07-02: SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE
- [19V370000](/recalls/nhtsa/19V370000.md), 2019-05-14: SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
- [18V353000](/recalls/nhtsa/18V353000.md), 2018-05-29: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
- [2017583](/recalls/tc/2017583.md), 2017-11-28: Brakes

## Other bulletins for the same vehicles and component

- [CALFTL42\-004](/bulletins/10194477.md), 2021-05-26, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES, HYDRAULIC. Customer Advisory Letter for Drive Axle Drum Brake S\-Cam U\-Bolt Replacement.
- [CALFTL54\-010REV3](/bulletins/10189342.md), 2021-03-26, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. Revised Customer Advisory Letter for ABS Warning Light Illumination with ABS code SA 11, SPN 629, FMI 11. REVISED: This CAL revises the CAL issued August 10th, 2020. Western Star 49X vehicles have been added to the CAL scope and instructions for downloading and installing software to address the ABS warning light illumination with ABS code SA 11, SPN 629, FMI 11 have replaced the corrective action of the previous CAL.
- [Techtalk6578](/bulletins/10184895.md), 2020-12-31, Service bulletin: SERVICE BRAKES, AIR. Tech Talk discussion on New Cascadia "low air pressure" warning light.
- [SS1033700](/bulletins/10179404.md), 2020-09-04, Service bulletin: VEHICLE SPEED CONTROL; SERVICE BRAKES. Updated Service Solution for New Cascadia Cruise Control will Not Set. Service brake state change is required to set the cruise control. Since the CPC looks to the SSAM for service brake signal the SSAM must be sending a brake signal for cruise control to function. Replaces original Service Solution from July 2018.
- [CALFTL54\-010REV](/bulletins/10179076.md), 2020-09-01, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; EQUIPMENT. Revised Customer Advisory Letter for New Cascadia ABS Warning Light Illumination work instructions. Due to the enhanced vigilance of the New Cascadia ABS controller, some fault codes and indicator lights do not necessarily require immediate maintenance attention. DTNA and WABCO are currently jointly working on a long\-term corrective plan for the condition. REVISED: This CAL replaces the CAL issued June 17th, 2020. The phrase "if equipped" in reference to cab load disconnect switches has been removed.
- [SB42\-078](/bulletins/10177606.md), 2020-07-31, Service bulletin: SERVICE BRAKES, AIR:DRUM:SHOES/LININGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS. Freightliner Service Bulletin for Meritor Steer Axle Drum Brake Squeal. Some Cascadia and New Cascadia vehicles equipped with Meritor steer axle drum brakes with a front axle rating less than 13,300 lb \(6038 kg\) have experienced brake squealing noise when the service brakes are applied at lower speeds. NOTE: This is a nuisance noise issue and not a failure. The solution given in this service bulletin may fix this issue.
- [CALFTL54\-010](/bulletins/10176745.md), 2020-06-26, Service bulletin: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. Customer Advisory Letter for New Cascadia ABS Warning Light Illumination work instructions. Due to the enhanced vigilance of the New Cascadia ABS controller, some fault codes and indicator lights do not necessarily require immediate maintenance attention. DTNA and WABCO are currently jointly working on a long\-term corrective plan for the condition.
- [CALFTL42\-002](/bulletins/10176744.md), 2020-06-26, Service bulletin: SERVICE BRAKES, AIR; SERVICE BRAKES, HYDRAULIC. Customer Advisory Letter for Antilock Brake System \(ABS\) Modulator Valve Replacement work instructions.
- [CALABSMODVALVE1](/bulletins/10176743.md), 2020-06-26, Service bulletin: SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR. Customer Advisory Letter for ABS Modulator Valve Replacement. Provides additional information as announced in CALABSMODVALVE communication.
- [CALABSMODVALVE](/bulletins/10174987.md), 2020-05-14, Service bulletin: SERVICE BRAKES, AIR; SERVICE BRAKES, HYDRAULIC. Customer Advisory Letter for ABS Modulator Valve Replacement. DTNA has decided to remove and replace the ABS modulator valves as part of an ongoing supplier quality study.

JSON: [/v1/bulletins/10083243](/v1/bulletins/10083243)

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