Campaign 84V-006

Power brake booster may have been improperly machined causing stress and possibly cracks in the master cylinder where it is attached to the power…

Defect summary

THE POWER BRAKE BOOSTER MAY HAVE BEEN IMPROPERLY MACHINED CAUSING STRESS AND POSSIBLY CRACKS IN THE MASTER CYLINDER WHERE IT IS ATTACHED TO THE POWER BRAKE BOOSTER.

Remedy

COMPONENTS WILL BE INSPECTED FOR IMPROPER MACHINING AND, IF FOUND, MASTER CYLINDER AND POWER BRAKE BOOSTER WILL BE REPLACED.

Notes

VEHICLE DESCRIPTION: PASSENGER VEHICLES WITH POWER BRAKE BOOSTERS.SYSTEM: BRAKES.CONSEQUENCES OF DEFECT: THE STRESS AND CRACKS COULD CAUSE MISALIGNMENT OF THEPOWER BOOSTER AND MASTER CYLINDER AND POSSIBLE REDUCTION IN BRAKING ABILITY ORLOSS OF BRAKES. AN ACCIDENT COULD OCCUR IF REDUCED BRAKING ABILITY IS NOTCORRECTED.

Source: NHTSA ODI recalls file, campaign 84V006000. Text as published by NHTSA.

Vehicles covered

3 product lines are covered

Owner complaints filed with NHTSA about brakes on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 84V-006
Make	Model	Model years
BMW	533	1984
BMW	633	1984
BMW	733	1984

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

04V-304 Jun 23, 2004
On certain motorcycles, an incorrect sealing ring was mounted to the piston of the rear brake master cylinder
04V-297 Jun 22, 2004
On certain motorcycles, the integral anti-lock brake system (iabs) sensor sealing o-ring connection at the rear axle housing may be damaged
03V-325 Aug 26, 2003
On certain motorcycles, due to the material composition of the rear brake hose, the hose may split open during riding conditions in which a full…
03V-197 May 27, 2003
On certain passenger vehicles, it is possible that the distance between the brake line and the steering shaft joint is not sufficient
03V-001 Jan 9, 2003
On certain sport utility vehicles, it may be possible for the front brake line to slip out of the retaining bracket located at the front strut
02V-194 Jul 24, 2002
On certain passenger vehicles, due to a manufacturing problem, the brake pedal arm pivot shaft could loosen from its support bracket