NHTSA Campaign Id 99V131001; Date: May. 21, 1999
This condition could cause insufficient vacuum to be provided to the brake booster.
Recalled Vehicles:1997 Audi A4; 1998 Audi A4; 1999 Audi A4; 1998 Audi A6; 1999 Audi A6; 1998 Volkswagen Passat; 1999 Volkswagen Passat
Component: Service Brakes, Hydraulic:power Assist:vacuum:hoses, Lines/piping, And Fittings
Manufactured by: Volkswagen Of America,inc
Affected Units:: 88,121
Recall Summary:Vehicle description: passenger vehicles equipped with automatic transmissions. A control valve in the vacuum hose connecting the brake booster to the intake manifold may not open or close fully at temperatures below -4 f under certain driving conditions.
How to Fix:Dealers will install a vacuum by-pass system into vehicles operated in these states which is designed to provide sufficient vacuum for full brake assist under all weather conditions.
Recall Notes:Owner notification began October 9, 1999. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact vw at 1-800-822-8987 or Audi at 1-800-822-2834. Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
Date Owners notified by Manufacturer: Oct 9, 1999
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