Chassis Harness/Coolant Return Hose Could Chafe – 2020 Chevrolet 4500

November 20, 2020 NHTSA CAMPAIGN NUMBER: 20V721000

Chassis Harness/Coolant Return Hose Could Chafe

Leaking engine coolant and/or a damaged wire harness may result in a no-start condition, an engine stall, or an electrical short. These scenarios increase the risk of a crash or fire.

 

NHTSA Campaign Number: 20V721

Manufacturer IsuzueBay logo Technical Center of America, Inc.

Components ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM

Potential Number of Units Affected 46

 

Summary

IsuzueBay logo Technical Center of America, Inc. (IsuzueBay logo) is recalling certain 2020 NPR-HD (Crew Cab) and ChevroleteBay logo 4500 (Crew Cab) vehicles equipped with 6.6L gasoline engines. The chassis harness and the coolant return hose from the radiator to the reservoir (surge hose) may chafe. Continued chafing could cause wear in the harness and/or hose, ultimately causing a hole in the hose with the potential for engine coolant to leak and/or causing damage to the harness with the potential for a short circuit.

 

Remedy

IsuzueBay logo and ChevroleteBay logo will notify their respective vehicle owners and dealers of this recall, and specifically of the need to adjust the positive cable in subject vehicles, and owners will be informed that the recall repairs will be done free of charge. The recall began December 11, 2020. For additional information, IsuzueBay logo owners may contact IsuzueBay logo Customer Relations at 1-866-441-9638 and ChevroleteBay logo owners may contact the GM Medium Duty Truck assistance line at 1-800-862-4389. IsuzueBay logo’s number for this recall is V2006.

 

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.

 

Check if your Vehicle has a Recall

 


 


2 Affected Products

Vehicles

MAKEMODELYEAR
CHEVROLETeBay logoLOW CAB FORWARD 45002020
ISUZUeBay logoNPR HD2020

 


11 Associated Documents

Owner Notification Letter(Part 577)

RCONL-20V721-6963.pdf 225.589KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-20V721-8757.pdf 65.562KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-20V721-3631.pdf 111.371KB

 


Recall Acknowledgement

RCAK-20V721-9308.pdf 244.857KB

 


Recall 573 Report

RCLRPT-20V721-3731.PDF 216.838KB

 


Recall Quarterly Report #1, 2020-4

RCLQRT-20V721-1358.PDF 211.155KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-20V721-6394.pdf 106.827KB

 


Remedy Instructions and TSB

RCRIT-20V721-3739.pdf 2854.154KB

 


Recall Quarterly Report #2, 2021-1

RCLQRT-20V721-6720.PDF 211.255KB

 


Recall Quarterly Report #3, 2021-2

RCLQRT-20V721-4345.PDF 211.336KB

 


Recall Quarterly Report #4, 2021-3

RCLQRT-20V721-8064.PDF 211.442KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=20V721&docType=RCL

 


 

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