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Service bulletin SP657-002

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 id10163920
Published by NHTSA2019-08-19
Manufacturer's numberSP657-002
Manufacturer's date2019-07-22
NHTSA componentSUSPENSION

NHTSA's summary

For certain Volvo VN trucks built between 09/21/2015 and 09/07/2018, a new improved torque procedure has been introduced to maintain and distribute torque properly on the hardware attaching the Link auxiliary axle to the frame mounted brackets. Follow the repair instructions outlined in this document for retorquing the indicated nuts or bolts.

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

Suspension

Vehicles listed
VOLVO VN2016 to 2019

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