ABS Layout

Fig 1: Identifying ABS And Brake Booster

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. ABS Hydraulic Unit -N55- with ABS Control Module -J104-
2. Brake booster with tandem brake master cylinder

The ABS Control Module -J104- -1- and ABS Hydraulic Unit -N55- -2- are a single unit. Separation is only possible when removed from the vehicle. The hydraulic pump -3- must not be separated from the ABS Hydraulic Unit -N55-.

Fig 2: Identifying Control Module, Hydraulic Unit And Hydraulic Pump

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Separation is not possible on vehicles with hydraulic brake booster or hill start assist.