HARLEY-DAVIDSON 1000 1979: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

General Information

NHTSA Campaign ID Number: 79V169000

Make Model Year
HARLEY-DAVIDSON 1000 1979
Date Owners Notified Date Received by ODI Date Added to Database
1979-08-24 1979-07-09 1979-10-12

Production Dates: 1978-02-01 - 1979-05-01

Manufacturers Involved: Harley-Davidson Motor Company

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Potential Number Of Units Affected: 21970

Report Initiator: MFR MFR Report

Summary

THE REAR BRAKE MASTER CYLINDER PLASTIC PISTON EMPLOYS A NON-SPECIFIED MATERIAL WHICH MAY ALLOW EXCESSIVE WATER ABSORPTION. AS A RESULT, THE PLASTIC PISTON MIGHT STICK IN THE MASTER CYLINDER PISTON BORE AND CAUSE BRAKE DRAG.

Remedy

DEALER WILL REPLACE REAR BRAKE MASTER CYLINDER PISTONS WITHOUT CHARGE TO OWNER.

Notes

VEHICLE DESCRIPTION: MOTORCYCLES.SYSTEM: SERVICE BRAKES; REAR BRAKE MASTER CYLINDER.CONSEQUENCES OF DEFECT: IF THIS CONDITION BECOMES SEVERE ENOUGH, IT COULD CAUSESKIDDING OF THE REAR WHEEL, LOSS OF VEHICLE CONTROL, AND AN ACCIDENT.