SC-31 Loss of Brake Function from Caliper Corrosion – 2017-2021 Royal Enfield Himalayan Motorcycles

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February 27, 2023 NHTSA CAMPAIGN NUMBER: 23V129000

Loss of Brake Function from Caliper Corrosion

A loss of brake function can increase the risk of a crash.

 

NHTSA Campaign Number: 23V129000

Manufacturer Royal Enfield North America Limited

Components SERVICE BRAKES, HYDRAULIC

Potential Number of Units Affected 4,891

 

Summary

Royal Enfield North America Limited (Royal Enfield) is recalling certain 2017-2021 Himalayan motorcycles. The salt used to treat the roads in the winter may corrode the brake calipers, causing a decrease or total loss of brake function.

 

Remedy

Dealers will replace the front and rear brake calipers, free of charge. The manufacturer has not yet provided a schedule for recall notification. Owners may contact Royal Enfield’s customer service at 1-866-600-1122. Royal Enfield’s number for this recall is SC-31.

 

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.

 


Bleeding the Hydraulic Brake System With DOL Tool (Front & Rear)

 

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CALIPER DISMANTLING & ASSEMBLY PROCEDURE (FRONT & REAR) HIMALAYAN MODEL

 

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Chronology :

Below mentioned motorcycle customer reported for front wheel dragging / locking phenomenon while riding their motorcycle. (This incident was in the UK)

Case 1 : Himalayan reported on 11th Mar’20 at 2,000 Miles

Steps taken by Royal Enfield after the reported events.

Analysis and discussion with safety office, QA, etc., with dates

Root Cause: Joint analysis with Bosch (ABS system supplier) and Brembo (brake caliper supplier) was performed on the affected part.

It was concluded that when motorcycles are used on roads on which a large quantity of salt has been applied during the winter for melting ice, and if brake calipers are not cleaned thereafter, corrosion of the brake calipers can occur which can cause the brakes to drag or become ineffective.

Even though feedback was received only from the UK, Brake Caliper manufacturer Brembo, advised that this phenomenon may occur in other countries where salt is used in winter such as the US, other European Countries and South Korea.

Brembo has recommended using anodized calipers to combat this corrosion for the countries using salt to melt ice on the roads.

 


5 Affected Products

Vehicle

MAKE MODEL YEAR
ROYAL ENFIELD HIMALAYAN 2017-2021

 


13 Associated Documents

Manufacturer Notices(to Dealers,etc) – CALIPER DISMANTLING & ASSEMBLY PROCEDURE (FRONT & REAR) HIMALAYAN MODEL

RCMN-23V129-3073.pdf 7927.597KB

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Defect Notice 573 Report

RCLRPT-23V129-3590.PDF 214.062KB

 


573 Report – Himalayan

RMISC-23V129-0183.pdf 103.643KB

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Manufacturer Notices(to Dealers,etc) – Himalayan Recall Email

RCMN-23V129-8141.pdf 65.686KB

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Recall Acknowledgement

RCAK-23V129-3197.pdf 647.959KB

 


Manufacturer Notices(to Dealers,etc) – Bleeding the Hydraulic Brake System With DOL Tool (Front & Rear)

RCMN-23V129-9885.pdf 6404.457KB

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Safety Bulletin

RCSB-23V129-4975.pdf 1399.897KB

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Royal Enfield – Dealer Email Body – February 2023

RCMN-23V129-7848.pdf 143.891KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-23V129-3457.pdf 181.396KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-23V129-7380.pdf 97.653KB

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Recall 573 Report – May 4, 2023

RCLRPT-23V129-4496.PDF 215.853KB

 


Recall 573 Report – May 4, 2023

RCLRPT-23V129-5514.PDF 215.853KB

 


Recall Quarterly Report #3, 2023-3

RCLQRT-23V129-9630.PDF 211.469KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V129&docType=RCL

 


 

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