NHTSA Campaign Id 93V205000; Date: Dec. 7, 1993
Rear wheel lock-up may result in loss of vehiclecontrol and an accident.
Recalled Vehicles:1991 Porsche 911; 1992 Porsche 911; 1993 Porsche 911
Component: Service Brakes, Hydraulic:power Assist:vacuum:hoses, Lines/piping, And Fittings
Manufactured by: Porsche Cars N. A. Inc.
Affected Units:: 1,149
Recall 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.
How to Fix:Porsche dealers will install a modified hydraulic brake pressure reduction valve.
Recall 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.
Date Owners notified by Manufacturer: Jan 3, 1994
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