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Service bulletin IK-0400051

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 id10036704
Published by NHTSA2011-04-11
Manufacturer's numberIK-0400051
Manufacturer's date2014-03-11
ReplacesIK-0400051-B
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

NAVISTAR: BENDIX AIR DRYER TROUBLESHOOTING ALL MODELS; AD-9, AD-IS, AD-IP. DRYER IS CONSTANTLY CYCLING OR PURGING; DRYER PURGES FREQUENTLY (EVERY 4 MINS. OR LESS WHILE VEHICLE IS IDLING); WATER IN VEHICLE RESERVOIR; WATER AND/OR OIL IN SUPPLY OR SERVICE RESERVOIR. NO MODEL YEARS LISTED. *PE UPDATED 3/26/13. *PE UPDATED 04/15/2014 *JS

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
BENDIX AD-2 AIR DRYER

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