Product Safety Recall N202303140 Brake Line Routing – 2019 Chevrolet Low Cab Forward 4500

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April 3, 2020 NHTSA CAMPAIGN NUMBER: 20V193000

Rear Brake Line Clips Incorrectly Installed

If the rear driver side brake fails, the vehicle may experience reduced braking, increasing the risk of a crash.

 

NHTSA Campaign Number: 20V193

Manufacturer Isuzu Technical Center of America, Inc.

Components SERVICE BRAKES

Potential Number of Units Affected 157

 

Summary

Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2019 NPR GAS, 2019 NPRHD GAS and 2019 Chevrolet 4500 vehicles. The brake line clips for the rear driver side brake line may have been incorrectly installed, potentially allowing contact the brake line to contact a grounding bolt, potentially causing a loss of the rear driver side brakes.

 

Remedy

Isuzu will notify owners, and dealers inspect and replace brake line assembly or reposition the brake line into the proper position, as necessary, free of charge. The recall began May 15, 2020. Owners may contact Isuzu customer service at 1-866-441-9638. Isuzu’s number for this recall is V2002.

 

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

 


 


Frequently Asked Questions (FAQs) for Safety Recall N202303140
Brake Line Routing

 

These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety recall identified above. 

Q1) Which vehicles are involved?
A1) 2019 Chevrolet Low Cab Forward 4500

 

Q2) What is the issue or condition?
A2) In some of the affected vehicles, the brake line clip(s) for the rear driver side brake line (which is routed inside the passenger side frame rail) may have been incorrectly installed, potentially allowing the brake line to make contact with a grounding bolt.  Repeated contact with the bolt could compromise the rear driver side brake line, leading to a loss of brake fluid and resulting in a drop in the hydraulic brake pressure and a reduction or loss of the rear driver side braking performance. All of the remaining brakes (front, passenger side rear and parking brake) will continue to operate normally.

 

Q3) What symptoms may be experienced?  What warning signs may be associated with the issue or condition described?
A3) If the rear driver side brake line is compromised, the vehicle may leak brake fluid and the brake malfunction light will illuminate if the brake fluid decreases below minimum specifications.

 

Q4) What is the remedy/repair?
A4) Dealers will inspect the brake line mounting clips of affected vehicles in their inventory (if applicable) to determine if the brake line clip(s) were installed correctly per the inspection procedure provided in this bulletin. This service will be performed free of charge.  If the clips are not installed correctly, the brake line will have to be replaced when parts become available and an updated version of this bulletin is issued. In the meantime, all vehicles that require brake line replacement must remain in dealer inventory until the revised (updated) campaign bulletin is released and the campaign brake line replacement procedures are performed.

 

Q5) What is the safety risk?  Is the vehicle safe to drive?
A5) If the rear driver side brake fails, the braking performance of the vehicle can be reduced, increasing the risk of a crash.

 

Q6) Does the customer have to pay for this remedy/repair?
A6) No, this inspection/repair will be done at no cost to the customer.

 

Q7) Is the remedy/repair available now?
A7) An inspection is provided in the bulletin for the interim; the repair is not available at this time for those vehicles that fail inspection.

 

Q8) What should customers do until recall repairs can be completed?  Are there any special instructions?
A8) If special instructions are provided, they will be included in the notification letters to customers.

 

Q9) How can customers check to see if their vehicle is involved in this field action?
A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/.

 

Q10) If customers are concerned, can they get a rental car or courtesy transportation?
A10) Courtesy Transportation is not included on Medium Duty Vehicles.

 

 


IMPORTANT SAFETY RECALL

May 2020

This notice applies to your vehicle, VIN: _____________________________________ Dear General Motors Customer:

This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.

General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2019 model year Chevrolet Low Cab Forward 4500 vehicles.  As a result, GM is conducting a safety recall.  We apologize for this inconvenience.  However, we are concerned about your safety and continued satisfaction with our products.

I M P O R T A N T

  • Your vehicle is involved in GM safety recall N202303140.
  • Schedule an appointment with your GM dealer.
  • This service will be performed for you at no charge.

 

Why is your vehicle being recalled? Isuzu Motors Limited, manufacturer of 2019 Chevrolet Low Cab Forward 4500 medium duty vehicles has decided that a defect, which relates to motor vehicle safety, exists in these vehicles.  In some of the affected vehicles, the brake line clip(s) for the rear driver side brake line (which is routed inside the passenger side frame rail) may have been incorrectly installed, potentially allowing the brake line to make contact with a grounding bolt.  Repeated contact with the bolt could compromise the rear driver side brake line, leading to a loss of brake fluid and resulting in a drop in the hydraulic brake pressure and a reduction or loss of the rear driver side braking performance. All of the remaining brakes (front, passenger side rear and parking brake) will continue to operate normally. If the rear driver side brake fails, the braking performance of the vehicle can be reduced, increasing the risk of a crash.
What will we do? Your GM dealer will inspect the brake line mounting clips to determine if the brake line clip(s) were installed correctly.  If the clips are not installed correctly, the brake line will have to be replaced.  This service will be performed for you at no charge.  Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual inspection and service correction time of approximately two hours.
Do you have questions? If you have questions or concerns that your dealer is unable to resolve, please contact the appropriate Customer Assistance Center at the number listed below.

 

 

Division Number Text Telephones (TTY)
Puerto Rico – English 1-800-496-9992
Puerto Rico – Español 1-800-496-9993
Virgin Islands 1-800-496-9994
GM Medium Duty Truck 1-800-862-4389

 

 

If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE, Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to https://www.safercar.gov.  The National Highway Traffic Safety Administration Campaign ID Number for this recall is 20V193.

Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.

Maryann L. Combs
Vice President
Global Vehicle Safety

 

GM Recall: N202303140

 


Chronology of Defect / Noncompliance Determination  573.6 (c) (6) (7)

Describe the chronology of events leading up to the defect decision or test data for the noncompliance decision: (2000)
The Isuzu North America group responsible for the vehicles’ Body Builder Guides received an initial inquiry on February 12, 2020 from an upfitter/body builder about one vehicle, asking whether there had been a change in the brake line routing or retention structure/design; the upfitter soon found three additional new vehicles with the routing similarly situated. After finding no relevant design changes, that group referred the matter to Isuzu’s North America’s Quality Assurance (QA) department for further review on February 24, 2020.

A yard inspection of 1822 vehicles at the Charlotte production plant began the next day and was completed on February 27, 2020. The yard vehicles had been built between January 2019 and February 2020. Finding no improperly routed brake lines, the yard inspection confirmed that the issue may have been limited to a particular production period.

Isuzu received one additional report of a mis-routed brake line from another upfitter.  All five of the reports involved vehicles built on July 8, 2019.  Isuzu QA consulted with the Charlotte production staff, who, after investigating the issue, reported on March 12 that each of the five vehicles was built during the night shift of the production week of July 8-12, 2019.  During that week’s night shift, a temporary worker had covered the station responsible for installing the brake line while the permanent worker was on vacation. The production facility was unable to confirm that the temporary worker had received appropriate training.

A total of 164 vehicles were built during the night shift from July 8-12, 2019.  Approximately 40 percent of those remain with body builders or are in dealer inventory.  Isuzu has received no warranty claims with regard to vehicles that have already been retailed. A recent sampling of completed trucks found that nine vehicles built during the night shift of July 8, 2019 had improperly installed clips on the brake line in question.

On March 27, 2020, Isuzu decided to conduct a safety recall to inspect vehicles with the chassis built on the night shift during the week of July 8-12, 2019.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
ISUZU NPR 2019

 


19 Associated Documents

Remedy Instructions and TSB

RCRIT-20V193-7639.pdf 262.032KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-3418.pdf 36.366KB

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Defect Notice 573 Report

RCLRPT-20V193-3911.PDF 215.677KB

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Remedy Instructions and TSB

RCRIT-20V193-5314.pdf 272.638KB

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Miscellaneous Document- Chronology

RMISC-20V193-3036.pdf 141.72KB

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Recall Acknowledgement

RCAK-20V193-8622.pdf 244.848KB

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Remedy Instructions and TSB

RCRIT-20V193-1200.pdf 1701.692KB

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Remedy Instructions and TSB

RCRIT-20V193-2490.pdf 1003.145KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-2061.pdf 277.917KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-2985.pdf 35.748KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-8785.pdf 12.106KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-8255.pdf 132.82KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-6475.pdf 94.749KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-20V193-7976.pdf 259.214KB

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Owner Notification Letter(Part 577)

RCONL-20V193-6620.pdf 74.782KB

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Manufacturer Notices(to Dealers,etc)

RCMN-20V193-8064.pdf 106.918KB

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Recall Quarterly Report #1, 2020-2

RCLQRT-20V193-3264.PDF 211.153KB

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Recall Quarterly Report #2, 2020-3

RCLQRT-20V193-5952.PDF 211.253KB

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Recall Quarterly Report #3, 2020-4

RCLQRT-20V193-5647.PDF 211.339KB

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Latest Recalls Documents

For the Latest and Most Recent Recalls Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=20V193&docType=RCL

 


 

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