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Service bulletin TSI–12–08–01

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 id10044045
Published by NHTSA2012-05-08
Manufacturer's numberTSI–12–08–01
Manufacturer's date2012-04-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

NHTSA's summary

NAVISTAR: THIS TSI OUTLINES THE IMPORTANCE OF PROPER INSPECTIONS AND MAINTENANCE OF BUS BATTERY CABLES, HARNESS, AND TRANSMISSION COOLER HOSES IN THE AIR-MANAGEMENT PANEL AREA. INCLUDING SCHOOL AND COMMERCIAL BUSES BUILT PRIOR TO JULY 2007. *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

Electrical system, Transmission and driveline, 12-volt battery, Automatic transmission

Vehicles listed
NAVISTAR SCHOOL BUS1987 to 1989
NAVISTAR SCHOOL BUS1991 to 1993
NAVISTAR SCHOOL BUS1996

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