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Service bulletin SSM74874ATT3

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10178096
Published by NHTSA2020-08-07
Manufacturer's numberSSM74874ATT3
Manufacturer's date2020-07-27
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

Brake noise felt through the floor during braking.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Vehicles listed
LAND ROVER DEFENDER2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TUCC_AUG2025_372025-09-03. Other. When pushing the rear brake caliper pistons back during a brake service, the caliper piston dust boot may become twisted or distorted if a twist method is used to retract the piston.
SSM76375ATT2 - 04AUG252025-09-03. Other. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76375ATT1 - 04AUG252025-09-03. Other. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76375 - 04AUG252025-09-03. Other. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76375 - 04AUG252025-09-03. Other. Rear Brake Caliper Piston Dust Boot Distortion Risk
SFCC_MAR2025_202025-04-07. Other. There have been several FRED submissions for a customer allegation of brake judder/vibration.
SFCC_MAR2025_182025-04-07. Other. There have been several FRED submissions for a customer allegation of a brake noise concern.
SFCC_MAR2025_172025-04-07. Other. There have been several FRED submissions for a customer allegation of a rear brake warning being illuminated on the instrument cluster.
SSM761862024-10-07. Other. Clicking Ticking Noise from Front Axle While Turning Left or Right and Full Lock at Low Speeds
S014SOTA4.1.1v32024-01-09. Service bulletin. Enhancements to the following systems: Wireless Device Charger, High Voltage (HV) Battery Charge Control, Sound System, ABS (Anti-Lock Braking System), Belt Integrated Starter PHEVs, Rear Camera for cars without 360 view.