# NHTSA SQ SQ97023
> **REDUCED CLUTCH AND BRAKE EFFECTIVENESS** · Opened 1997-11-14 · Closed 1997-12-22
## Investigation
- **Action number:** SQ97023
- **Type:** SQ
- **Open date:** 1997-11-14
- **Close date:** 1997-12-22
- **Manufacturer:** BMW of North America, LLC
- **Affected makes:** BMW
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1998
- **Affected (make, year) variants:** 1
## Summary

IN AUGUST 1997, BMW CONDUCTED A SAFETY RECALL TO CORRECT A CONDITION OF THREAD CONTAMINATION ON THE BRAKE AND CLUTCH LEVERS ADJUSTING SCREWS.THIS GREASE CONTAMINATION NEGATES THE EFFECTIVENESS OF LOCTITE AND THIS CAN SEGNIFICANTLY REDUCE BRAKE EFFECTIVENESS.DUE TO THIS INVESTIGATION, BMW HAS INCREASED THE POPULATION TO INCLUDE ALL THE 1988 MOTORCYCLES.NO FURTHER ACTION IS NECESARY.THIS INVESTIGATION IS CLOSED.RECALL NUMBER ASSIGNED IS 97V-134.02.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=SQ97023)
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