May 20, 2022 NHTSA CAMPAIGN NUMBER: 22V364000
Improperly Tightened Brake Line May Leak
A brake fluid leak can extend the distance required to stop the vehicle, increasing the risk of a crash.
NHTSA Campaign Number: 22V364
Manufacturer General Motors, LLC
Components SERVICE BRAKES, HYDRAULIC
Potential Number of Units Affected 39
Summary
General Motors, LLC (GM) is recalling certain 2022 4500HD, 5500HD, and 6500HD vehicles. The pressure-sensor fitting of the primary hydraulic brake line assembly may not be tightened correctly, which could result in a brake fluid leak.
Remedy
Dealers will tighten the brake pressure switch, bleed the brake system, and top-off the brake fluid, free of charge. Owner notification letters are expected to be mailed July 5, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020. GM’s number for this recall is N222368230.
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.nhtsa.gov.
Check if your Vehicle has a Recall
Condition
General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2022 model year Chevrolet Medium Duty 4500HD/5500HD/6500HD vehicles. Navistar, the manufacturer of these vehicles, has determined that the pressure-sensor fitting of the primary hydraulic brake line assembly may not be tightened to the correct torque and could leak brake fluid. A brake fluid leak could lead to extended braking distances, increasing the risk of a crash.
Correction
Dealers will tighten the brake pressure switch to specification, bleed the brake system, and top-off the brake fluid.
Parts
| Quantity | Part Name | Part No. |
| 3 | Brake Fluid | 19353126  |
Frequently Asked Questions (FAQs) for Safety Recall N222368230
Potential Brake Fluid Leak
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?
Certain Silverado MD 4500HD/5500HD/6500HD vehicles.
Q2) What is the issue or condition?
The pressure sensor fitting of the primary hydraulic brake line assembly may not be tightened to the correct torque and can result in a minor brake fluid leak when the brakes are applied.
Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described?
A brake fluid leak could lead to extended braking distances, increasing the risk of a crash. If brake fluid is lost, drivers may experience soft or low brake pedal feel and a brake warning light may illuminate. Brake fluid may be present on the ground or in the engine compartment.
Q4) What is the remedy/repair?
Dealers will tighten the brake pressure switch to specification, bleed the brake system, and top-off the brake fluid.
Q5) What is the safety risk? Is the vehicle safe to drive?
A brake fluid leak could lead to extended braking distances, increasing the risk of a crash.
Q6) Does the customer have to pay for this remedy/repair?
No, this inspection/repair will be done at no cost to the customer.
Q7) Is the remedy/repair available now?
Yes, please see the attached bulletin for details.
Q8) What should customers do until recall repairs can be completed? Are there any special instructions?
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?
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/.
3 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CHEVROLET | 4500HD | 2022 |
| CHEVROLET | 5500HD | 2022 |
| CHEVROLET | 6500HD | 2022 |
8 Associated Documents
Defect Notice 573 Report
RCLRPT-22V364-9645.PDF 213.893KB
RCLRPT-22V364-9645
Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N222368230 Potential Brake Fluid Leak
RMISC-22V364-7324.pdf 95.922KB
RMISC-22V364-7324
Recall Acknowledgement
RCAK-22V364-3973.pdf 645.309KB
RCAK-22V364-3973
Safety Bulletin
RCSB-22V364-1383.pdf 178.894KB
Manufacturer Notices(to Dealers,etc) – Dealer Message re N222368230 – Safety Recall Potential Brake Fluid Leak
RCMN-22V364-1250
Safety Bulletin
RCSB-22V364-6991.pdf 210.411KB
RCSB-22V364-6991
Manufacturer Notices(to Dealers,etc) – Dealer Message re N222368230-01 – Safety Recall Potential Brake Fluid Leak Customer Letter Added
RCMN-22V364-8300
Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N222368230 Potential Brake Fluid Leak
RMISC-22V364-2767.pdf 95.922KB
RMISC-22V364-2767
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=22V364&docType=RCL
- Provides an extra margin of safety in extreme braking conditions
- Mix of polyglycol ethers ensures hot brake-system operation will not create dangerous vapor
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy pedal
- Both wet and dry boiling points exceed the minimum government standards
- Recommended for all ABS, disc and drum brake systems as well as hydraulic clutches requiring DOT 3 and DOT 4 fluids
- Provides corrosion protection for all metals within the braking system
- Compatible with all conventional brake fluids
- Substantially reduces the possibility of fluid vaporization and eventual brake failure
- Excellent performance in high-temperature braking systems
- High compatibility. Use with or direct replacement for DOT 3, DOT 4, and DOT 5. 1
- Extended Service Interval (ESI): Lasts 100% longer than DOT 3, 50% longer than DOT 4, and 10% longer than DOT 5. 1
- Exceeds all DOT 3, DOT 4, and DOT 5. 1 standards
- Wet boiling point ~ 365 DegreeF/Viscosity at -40 DegreeC ~ 685mm2/s
- Standard brake fluid has a recommended change interval of 2 years. The recommended change interval for Bosch ESI6 is 3 years.
- Premium Brake and Hydraulic clutch fluid that protects internal components from corrosion under normal use
- High boiling point to minimize Brake fluid boiling and vapor lock
- Excellent low temperature capability and stability when used where lower cold viscosities are required
- Provides an extra margin of safety in extreme braking conditions
- Mix of polyglycol ethers ensures hot brake-system operation will not create dangerous vapor
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy pedal
- Both wet and dry boiling points exceed the minimum government standards
- Synthetic quality brake fluid
- Contains special ingredients to guard against vapor lock and moisture absorption
- Exceeds requirements for both DOT 3 and DOT 4 brake fluids
- Specially formulated for DOT 4 brake fluid applications
- Designed for use in disc, drum and ABS brake systems
- PERFORMANCE – The 336⁰ F wet boil point and 521⁰ F dry boil point exceeds common characteristics for DOT 4 brake fluids
- PROTECTION – Provides corrosion protection in brake components
- PEACE OF MIND – Matches needs of all DOT 4 manufacturer recommendations
- HARSH CONDITIONS – Offers low level of compressibility
- FITS EVERYTHING – Compatible with all DOT 3 and DOT 4 applications
- Extremely high wet and dry boiling points
- Miscible and compatible with high-quality synthetic brake fluids
- Assures a high degree of lubricating action on all moving components in the hydraulic brake circuit
- Outstanding protection against the formation of steam bubbles
- Excellent viscosity/temperature properties
Last update on 2023-01-08 / Affiliate links / Images from Amazon Product Advertising API
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