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Service bulletin IK1400004

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 id10154781
Published by NHTSA2019-03-18
Manufacturer's numberIK1400004
Manufacturer's date2019-02-05
NHTSA componentSUSPENSION:REAR

NHTSA's summary

Compressor Cycles While Driving/Dual Leveling Valve Adjustment Procedure; only models with feature code 14WAS (Dual Height Control Valves on Rear Suspension)

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
IC BUS IC BUS
INTERNATIONAL INTERNATIONAL

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