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Service bulletin SB-645-012

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 id10037282
Published by NHTSA2011-05-18
Manufacturer's numberSB-645-012
Manufacturer's date2010-11-01
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST:PUMP

NHTSA's summary

VOLVO: CERTAIN VEHICLES MAY HAVE A WHINING NOISE FROM THE STEERING SYSTEM FROM AN INCORRECT POWER STEERING PUMP SUPPLY HOSE. *RM

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

Steering, Power steering

Vehicles listed
VOLVO VHD2009 to 2010

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