Service brakes, hydraulic: foundation components: master cylinder
- Component
- Service brakes, hydraulic: foundation components: master cylinder
- Manufacturer
- HARLEY-DAVIDSON MOTOR CO.
- Vehicles affected
- 21,970
- Reported to NHTSA
- 1979-07-09
- Owners notified
- 1979-08-24
Defect description
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.
Manufacturer remedy
DEALER WILL REPLACE REAR BRAKE MASTER CYLINDER PISTONS WITHOUT CHARGE TO OWNER.