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Service bulletin PU-08-014

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 id10144436
Published by NHTSA2018-09-17
Manufacturer's numberPU-08-014
Manufacturer's date2018-08-07
NHTSA componentSUSPENSION:REAR

NHTSA's summary

Hendrickson released a product update regarding a change to its lift axle control kits. Starting in late August 2018, the vent protector will be replaced with a 1/4" NPTF barbed tube fitting and 1/4" ID tube.

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
HENDRICKSON AXLE ASSEMBLY

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