NHTSA campaign 15V166000 · Manufacturer campaign 15505
IC Bus Recall 15V-166: Improperly Seated Brake Chamber Diaphragm
NHTSA recall 15V166000 (Manufacturer campaign 15505) was reported by Navistar, Inc. on March 23, 2015, with 68 vehicles potentially affected (per NHTSA). NHTSA's record lists the IC Bus Resb, IC Bus Casb and IC Bus Cesb for model years 2015–2016. Owners were notified on June 19, 2015, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 15V166000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 15V166000 (also written 15V-166 or 15V166)
- Filed by
- Navistar, Inc.
- Manufacturer campaign number
- 15505
- Report received
- Potentially affected
- 68 vehicles (per NHTSA)
- Component
- Service Brakes, Air
- Owners notified
Repair completion: 98.53% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 15V166000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
IC Bus
IC Bus Casb
- 2015 · Vehicles built August 8, 2014 – February 20, 2015 (per NHTSA)
IC Bus Cesb
- 2016 · Vehicles built August 8, 2014 – February 20, 2015 (per NHTSA)
IC Bus Resb
NHTSA's recall notice
As NHTSA's recall record states it for campaign 15V166000.
Defect description
Navistar, Inc. (Navistar) is recalling certain model year 2015-2016 IC CE school buses manufactured August 8, 2014, to February 20, 2015, and 2015-2016 IC RE school buses manufactured July 31, 2014, to January 9, 2015, equipped with Haldex air brake actuators. The affected brake actuators may have been manufactured with an incomplete attachment of the internal rubber diaphragm to the actuation mechanism. This could cause dragging or overheated brakes.
Safety consequence
If the brakes drag and overheat there is an increased risk of a wheel end fire.
Manufacturer remedy
Navistar will notify owners, and dealers will replace the Haldex Life Seal Brake chambers, free of charge. The recall began on June 19, 2015. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 15505. Note: This recall supersedes recall 14V-808.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 15V166000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.