Control Module And Hydraulic Unit; Vehicle With Vacuum Brake Booster Is Shown

Fig 1: Identifying Control Module And Hydraulic Unit Components (Vehicle With Vacuum Brake Booster)

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 25 Nm
2. Mounting Bracket
3. Spacer Sleeve
4. Nut
   • 8 Nm
5. ABS Hydraulic Unit -N55-
   • If the ABS Control Module -J104- is faulty, it can be replaced separately.
   • If the ABS Hydraulic Unit -N55- is faulty, it must be replaced together with the ABS Control Module -J104-.
   • Refer to ABS Control Module -J104- / ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING .
   • Refer to CONTROL MODULE, SEPARATING FROM HYDRAULIC UNIT 
   • Refer to CONTROL MODULE, INSTALLING ON HYDRAULIC UNIT 
6. Brake Line
   • From brake master cylinder to the hydraulic unit
   • Do not change the bending shape.
   • Replace a damaged or bent brake line
   • 16 Nm
7. Brake Line
   • From brake master cylinder to the hydraulic unit
   • Do not change the bending shape.
   • Replace a damaged or bent brake line
   • 16 Nm
8. Brake Line
   • To the brake caliper
   • Do not change the bending shape.
   • Replace a damaged or bent brake line
   • 14 Nm
9. ABS Control Module -J104-
   • If the ABS Control Module -J104- is faulty, it can be replaced separately.
   • If the ABS Hydraulic Unit -N55- is faulty, it must be replaced together with the ABS Control Module -J104-.
   • Refer to ABS Control Module -J104- / ABS Hydraulic Unit -N55-, REMOVING AND INSTALLING .
   • Can be replaced separately if faulty.
   • Refer to CONTROL MODULE, SEPARATING FROM HYDRAULIC UNIT .
   • Refer to CONTROL MODULE, INSTALLING ON HYDRAULIC UNIT 
10. Bolt
    • Tighten in two steps alternating from side to side.
    • 1. Step: 1 to 1.5 Nm (to position the seal)
    • 2. Step: 2.5 Nm
11. Rubber Bushing
    • Quantity: 3