NHTSA Campaign Id 99V131001; Date: May. 21, 1999
This condition could cause insufficient vacuum to be provided to the brake booster.
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
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.
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.
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
Also see: