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Service bulletin LTB00990NAS4

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 id10142781
Published by NHTSA2018-07-16
Manufacturer's numberLTB00990NAS4
Manufacturer's date2018-05-18
NHTSA componentSERVICE BRAKES, AIR:DISC

NHTSA's summary

Corrosion may be evident on the rear brake discs, which may also be accompanied by a grinding noise and/or vibration/judder while 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 DISCOVERY2016
LAND ROVER DISCOVERY2017, 2018
LAND ROVER DISCOVERY SPORT2015
LAND ROVER RANGE ROVER EVOQUE2016, 2017, 2018

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.
SSM73635_11_30_22021-03-15. Service bulletin. Issue: Vehicle fails PDI routine due to telematics will not activate ? e-Call button fails to illuminate
SSM734872021-03-15. Service bulletin. The plastic cover of the front seat height adjuster lever on vehicles with manually adjustable seats can break on removal, leaving it loose when refitted and likely to become adrift (see attachment).