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Service bulletin 56301

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 id604084
Published by NHTSA1999-04-08
Manufacturer's number56301
Manufacturer's date1999-01-01
NHTSA componentSERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE

NHTSA's summary

SERVICE PROCEDURES REGARDING E-12 FOOT BRAKE VALVE LEAK TEST. *TT

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
VOLVO VN

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