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NHTSA recall 93V205000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

Campaign
Published byNHTSA (United States)
Campaign number93V205000
ManufacturerPORSCHE CARS N.A. INC.
Reported1993-12-07
Owners notified1994-01-03
ComponentSERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS
Units potentially affected1149

What is wrong

THE HYDRAULIC BRAKE PRESSURE REDUCTION VALVE CAUSES THE RATE OF HYDRAULIC PRESSURE REDUCTION TO SLOW DOWN, WHICH MAY RESULT IN THE REAR WHEELS LOCKING-UP EVEN WITH THE ANTI-LOCK BRAKE SYSTEM IN OPERATION.

What can happen

REAR WHEEL LOCK-UP MAY RESULT IN LOSS OF VEHICLECONTROL AND AN ACCIDENT.

The remedy

PORSCHE DEALERS WILL INSTALL A MODIFIED HYDRAULIC BRAKE PRESSURE REDUCTION VALVE.

Notes

SYSTEM: BRAKES; HYDRAULIC; POWER ASSIST; CHECK VALVE.VEHICLE DESCRIPTION: PASSENGER VEHICLES; MODELS 911 TURBO AND 911 AMERICAROADSTER.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPONSERVICE DATE AND THE REMEDY IS NOT PROVIDED WITHIN A REASONABLE TIME AND FREEOF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT OR NONCOMPLIANCE, PLEASECONTACT PORSCHE SERVICE CENTER AT 1-800-545-8039. ALSO CONTACT THE NATIONALHIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

Vehicles this campaign lists
1991 PORSCHE 911Built 1990-07-01 to 1992-10-01.
1992 PORSCHE 911Built 1990-07-01 to 1992-10-01.
1993 PORSCHE 911Built 1990-07-01 to 1992-10-01.

A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.

Bulletins for the same vehicles and component

Bulletins for the same vehicles and component
No. 1801.42022-04-05. Service bulletin. Advanced technical information for a brake squeal.
ATIALL416052021-06-28. Service bulletin. Understanding and addressing brake squeal complaints.
122-L5E2R-042018-04-23. Service bulletin. Subject: Replacing brake booster during repairs Information: If the brake booster on the 911 Carrera 2/Targa/Speedster (964) needs to be replaced, the replacment brake booster will be a 911 (993) version. During conversion, the brake master cylinder, mounting saddle and (push rod) joint screw must be replaced (? Figure 1). The power steering pressure and return linesmay also have to be replaced.
GRP4/93101995-11-01. Service bulletin. BRAKE VIBRATION DAMPER APPLICATION - NEW DAMPING PLATE WITH STEEL CLIP. *TW

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

Check one vehicle officially