February 20, 2018 NHTSA CAMPAIGN NUMBER: 18V124000
Propane Booster Pump Relay may Fail Causing Stall
If the fuel pump stops, the bus will stall, increasing the risk of a crash.
NHTSA Campaign Number: 18V124
Manufacturer Navistar
, Inc.
Components ELECTRICAL SYSTEM, FUEL SYSTEM, OTHER
Potential Number of Units Affected 1,047
Summary
Navistar, Inc. (Navistar) is recalling certain 2016-2019 IC bus CE school buses equipped with 8.8L liquid propane gas (LPG) engines. The LPDM relay for the propane booster pump and the scavenge pump may intermittently fail, causing the fuel pump to stop.
Remedy
Navistar will notify owners, and dealers will replace the LPDM relay, free of charge. The recall began on April 12, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar’s number for this recall is 18501.
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.
4 Affected Products
Vehicle
| IC BUS | CE | 2016-2019 |
8 Associated Documents
Owner Notification Letter(Part 577)
RCONL-18V124-6144.pdf 34.558KB
Remedy Instructions and TSB
RCRIT-18V124-7540.pdf 274.264KB
Defect Notice 573 Report
RCLRPT-18V124-2383.pdf 215.926KB
Recall Acknowledgement
RCAK-18V124-5443.pdf 307.248KB
Recall Quarterly Report #4, 2019-1
RCLQRT-18V124-4273.PDF 211.419KB
Recall Quarterly Report #2, 2018-3
RCLQRT-18V124-4613.PDF 214.611KB
Recall Quarterly Report #3, 2018-4
RCLQRT-18V124-1250.PDF 211.322KB
Recall Quarterly Report #1, 2018-2
RCLQRT-18V124-2355.PDF 214.516KB
Latest Recalls Documents
- Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
- Small size/Low power consumption/High contact voltage/ High sensitivity.
- Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
- Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
- Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
- High switching capability: Normally open 40A/14V DC and normally close 30A/14V DC. Suitable for Nilight LED light bar wiring harness kit
- Premium quality: Durable relay and harness socket with 5 wires; Made by high-grade materials to ensure superior quality and long lifespan
- Male-female slot design: Unique male-female slot design, easy to connect the relay with harness socket, clean and neat after installation
- Easy wiring: The relay sockets come with different colors for loads/accessories, simple and convenient wiring
- Package include: 5 x relay and 5 x relay socket with wires.Fit type: Universal fit
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- 12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
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- Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
- Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC
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- Mounting Design Feature - The interlocking mounting design of unique male and female slot on each socket edge, connect relays together and manage cables easily, offering clean and neat installation.
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