One problem related to power assist brake vacuum hoses, lines/piping, and fittings has been reported for the 1998 Audi A6. The most recently reported issues are listed below.
Brake booster vacuum can not completed due to lack of parts. Nlm.
| Brake Antilock Control Unit/module problems | |
| Brake Light On problems | |
| Brake Electric Antilock problems | |
| Brake Foundation Components problems | |
| Brake Pedal And Linkage problems | |
| Power Assist Brake Vacuum Hoses, Lines/piping, And Fittings problems | |
| Brake Abs Warning Light problems | |
| Power Assist Brake Vacuum problems |