# Service bulletin 05\-001\-21

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: 10215933
- Published by NHTSA: 2022\-07\-18
- Manufacturer's number: 05\-001\-21
- Manufacturer's date: 2021\-01\-14
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Front Brake \(Chirp/Squeak\) Noise This bulletin involves applying grease to the anti\-rattle clips on both sides ofthe front brakes. The customer may comment on the following: A chirp and/or squeak from front of vehicle over bumps when the brakesare not applied.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215933-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215933-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes

## Vehicles listed

- 2020 to 2021 RAM 1500

## Recalls for the same vehicles and component

- [2024503](/recalls/tc/2024503.md), 2024-09-05: Brakes
- [24V653000](/recalls/nhtsa/24V653000.md), 2024-09-05: ELECTRONIC STABILITY CONTROL \(ESC\):CONTROL MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
- [2021156](/recalls/tc/2021156.md), 2021-03-16: Brakes
- [21V037000](/recalls/nhtsa/21V037000.md), 2021-02-01: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

## Other bulletins for the same vehicles and component

- [113123](/bulletins/11034908.md), 2026-07-08, Service bulletin: SERVICE BRAKES. SPRING KIT \- DISC BRAKE PAD
- [S2505000003](/bulletins/11026634.md), 2025-12-17, Service bulletin: SERVICE BRAKES. Diagnostic Trouble Code \(DTC\) C0050\-00\-Brake System Hydraulic Leak Set After Recent Repair.
- [S2523000091](/bulletins/11026632.md), 2025-12-17, Service bulletin: SERVICE BRAKES. Antilock Brake \(ABS\) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes \(DTCs\)
- [S1805000006 REV.B](/bulletins/11025508.md), 2025-11-13, Service bulletin: SERVICE BRAKES. ESC Light Illuminated. DTC C1252\-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE
- [102950](/bulletins/11013631.md), 2025-02-04, Service bulletin: SERVICE BRAKES. MODULE \- ANTI\-LOCK BRAKE SYSTEM
- [102948](/bulletins/11013630.md), 2025-02-04, Service bulletin: SERVICE BRAKES. MODULE \- ANTI\-LOCK BRAKE SYSTEM
- [S2523000005](/bulletins/11012984.md), 2025-01-21, Service bulletin: SERVICE BRAKES. "Squeak Noise From Brake Pedal When Pressed And Or Released."
- [100418](/bulletins/11008251.md), 2024-10-02, Service bulletin: SERVICE BRAKES. MODULE \- ANTI\-LOCK BRAKE SYSTEM
- [100421](/bulletins/11008249.md), 2024-10-02, Service bulletin: SERVICE BRAKES. MODULE \- ANTI\-LOCK BRAKE SYSTEM
- [99399](/bulletins/11005361.md), 2024-07-31, Other: SERVICE BRAKES. MODULE \- ANTI\-LOCK BRAKE SYSTEM

JSON: [/v1/bulletins/10215933](/v1/bulletins/10215933)

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