Date: 2007-07-24
Navistar, Inc.
NHTSA Action Number: RQ07001
Components: ENGINE AND ENGINE COOLING
Subject: ENGINE COMPARTMENT FIRES
Opened From: 2007-07-24 - 2007-12-04
Summary
ON AUGUST 18, 2004, INTERNATIONAL TRUCK AND ENGINE CORPORATION NOTIFIED THE OFFICE OF DEFECT INVESTIGATIONS (ODI) OF SEVERAL DEFECT CONDITIONS THAT COULD POTENTIALLY RESULT IN ENGINE COMPARTMENT FIRES IN APPROXIMATELY 290 MODEL YEAR (MY) 2005 REAR ENGINE SCHOOL BUSES (RESB) BUILT FROM MARCH 3, 2004 THROUGH AUGUST 5, 2004 (RECALL 04V-400).ACCORDING TO INTERNATIONAL, THE THREE CONDITIONS THAT MIGHT LEAD TO FIRE ON THE RESB MODEL BUSES INCLUDE CHAFING OF A HIGH PRESSURE POWER STEERING FLUID HOSE, CHAFFING OF THE ENGINE ELECTRICAL HARNESS, AND A LEAK IN AN OPTIONAL OIL PRESSURE SWITCH.ON JULY 24, 2007, AFTER REVIEWING 2007 QUARTER ONE EWR DATA, ODI BECAME AWARE OF ENGINE COMPARTMENT FIRE REPORTS IN MY 2005 AND 2006 CONVENTIONAL ENGINE SCHOOL BUSES (CESB), SEEMINGLY SIMILAR IN NATURE TO FIRES THAT HAD BEEN DESCRIBED IN RECALL 04V-400 MENTIONED ABOVE.AS A RESULT, ODI OPENED THIS RQ ON THE CESB MODELS TO DETERMINE IF THE ORIGINAL SCOPE WAS ADEQUATE (SHOULD THE ORIGINAL RECALL HAVE INCLUDED THE CESB MODELS). DURING ODI'S REVIEW OF WARRANTY DATA RECEIVED IN RESPONSE TO AN INFORMATION REQUEST (IR) LETTER, WE DID NOT FIND A RELATED TREND IN THE WARRANTY CLAIMS THAT SUGGESTED RECALL 04V-400 SHOULD BE EXPANDED TO INCLUDE THE CESB VEHICLES.IT WAS FOUND THAT THE CESB ENGINE CONFIGURATION AND ASSOCIATED WIRE HARNESS, POWER STEERING HOSE, AND OIL LINE CONFIGURATIONS WERE COMPLETELY DIFFERENT THAN THE PREVIOUSLY RECALLED RESB MODEL VEHICLES.THEREFORE, THIS INVESTIGATION IS CLOSED. FURTHER USE OF AGENCY RESOURCES ON THIS INVESTIGATION DOES NOT APPEAR TO BE WARRANTED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.ALTHOUGH THE WARRANTY DATA REVIEWED DURING THE RQ DID NOT SUPPORT EXPANDING RECALL 04V-400, IT DID IDENTIFY A NEW AND DIFFERENT ISSUE THAT APPEARS TO BE CAUSING FIRES ON THE CESB VEHICLES.OF 375 WARRANTY CLAIMS REVIEWED, 127 OF THE CLAIMS IDENTIFIED THE FUSE HOLDER IN THE BATTERY BOX AS BURNING, SHORTING OUT OR CATCHING FIRE.THEREFORE, A NEW INVESTIGATION WILL BE OPENED TO DETERMINE IF THE FUSE HOLDER ON THE 2005-2006 CESB VEHICLES POSES AN UNREASONABLE RISK TO MOTOR VEHICLE SAFETY.
Investigation Documents
For Latest Documents related to this Investigation, visit the NHTSA Website.
Click the (+) Plus Sign
Then click Associated Document(s).
- Advanced protection against the four main causes of engine...
- Delivers 40% stronger wear protection than industry...
- Provides 15% better deposit defense vs. industry standards...
- Up to 2.5X better heat protection vs. industry standards to...
- Engineered for excellent low-temperature flow, reducing...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
- Advanced friction-fighting additives help maximize...
- Provides performance benefits for high mileage, new and...
Search NHTSA Database for Recalls
Search NHTSA Database for (TSB's) Technical Service Bulletins
Technical Service Bulletins TSB's List
Previous Investigation | Next Investigation |
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble emission codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
- OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Pls confirm with our customer service whether it is compatible with your vehicle before purchasing.
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
- Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
- Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
- 2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
- Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner:scroll up/down,enter/exit and buttons that quick query VIN vehicle number& the DTC fault code.
- ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
- 【Your Personal CEL Doctor – Read & Clear Engine Codes】The NT301 OBD2 scanner lets you read diagnostic trouble codes (DTCs), check em-issions readiness, turn off your Check Engine Light (CEL) or MIL, reset monitors, and view live data streams. It retrieves your vehicle's VIN instantly. Like all standard OBD2 scanners, it clears codes only after repairs are completed—if the issue persists, the code will return. Designed for DIYers who want to understand what’s really going on under the hood.
- 【Easy Code Reading – Just Plug & Play】Simply plug into the OBD2 port, turn the ignition to “ON” (engine off), and select the correct menu: Select OBDII-> Wait for seconds-> Select Read codes. For accurate results, ensure your vehicle is compatible and the OBD2 port is free from damage or wiring issues. No batteries needed— powered directly by your car.
- 【Live Data Graphing & Accuracy for Most OBD2 Vehicles】View and log live sensor data in graph form—monitor oxygen sensors, fuel trims, coolant temp, RPM, and more. Spot trends and suspicious values in real time. Compatible with most 1996+ gasoline cars, light trucks, and SUVs sold in the U.S., as well as many 2000+ European and Asian models. Also works on 12V diesel vehicles equipped with OBD2.
- 【S-mog Check Helper – Know Your Readiness Status at a Glance】With dedicated I/M readiness hotkeys and a simple Red-Yellow-Green LED indicator, you’ll instantly know if your vehicle is ready for em-issions testing. Built-in speaker provides audio feedback. No guesswork—just confidence before you head to the test center.
- 【A Must-Have Tool for Every Home Mechanic】Compact, rugged, and ready to use right out of the box. The 2.8” color screen is easy to read, even in daylight. No charging or setup required—just plug into the 16-pin DLC and start diagnosing. Recommended by professional mechanics on YouTube and trusted by DIYers worldwide.
Last update on 2026-03-25 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.