Brakes:hydraulic:power assist:check valve
Defect Summary
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.
Safety Consequence
Rear wheel lock-up may result in loss of vehiclecontrol and an accident.
Corrective Action
Porsche dealers will install a modified hydraulic brake pressure reduction valve.
Similar Recalls
Other recalls from Porsche Cars North America, Inc. or involving Service Brakes, Hydraulic.
FAQ: Recall 93V205000
Your rights, the repair process, and what each field on this page means.
What is recall 93V205000?
NHTSA recall 93V205000 was issued by Porsche Cars North America, Inc. on December 7, 1993. It addresses: Brakes:hydraulic:power assist:check valve. The recall affects approximately 1,149 vehicles, with the defect involving the Service Brakes, Hydraulic component.
How do I get this recall repaired?
Contact any authorized Porsche Cars North America, Inc. dealer and reference NHTSA recall ID 93V205000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.