| NHTSA Campaign Number: | 99V131001 |
| Vehicle/Equipment Make: | VOLKSWAGEN OF AMERICA,INC |
| Vehicle/Equipment Model: | A4 |
| Model Year: | 1997 |
| Manufacturer Campaign Number: | UH/KU |
| Manufacturer Component Description: | SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS |
| Manufacturers Involved in Recall: | VOLKSWAGEN OF AMERICA, INC |
| Manufacturered: | 19971001 - 19990228 |
| Type of Report: | V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: | 88121 |
| Date Owner Notified By Manufacturer: | 19991009 |
| Recall Initiated By: | ODI |
| Manufacturer Responsible For Recall: | VOLKSWAGEN OF AMERICA,INC |
| Report Received Date: | 19990521 |
| Record Creation Date: | 20000121 |
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.
THIS CONDITION COULD CAUSE INSUFFICIENT VACUUM TO BE PROVIDED TO THE BRAKE BOOSTER.
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).