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Service bulletin LS Brake Mod.

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 id10175879
Published by NHTSA2020-06-01
Manufacturer's numberLS Brake Mod.
Manufacturer's date2020-05-15
NHTSA componentSUSPENSION:REAR:SPRINGS; SERVICE BRAKES

NHTSA's summary

LiquidSpring brake line modification instructions for vehicles affected by LiquidSpring recall notice 20E031. Illustrates required processes for repairing affected vehicle rear braking system.

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, Suspension

Vehicles listed
FRAZER RAM 4500 CHASSIS2019 to 2020
FRAZER RAM 5500 CHASSIS2019 to 2020

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