Volkswagen ID.4: Connecting brake lines to hydraulic unit

• Connecting brake lines to hydraulic unit, left-hand drive vehicles
• Connecting brake lines to hydraulic unit, right-hand drive vehicles

Connecting brake lines to hydraulic unit, left-hand drive vehicles

To hydraulic unit:

1. Hydraulic unit to rear right wheel brake cylinder

• 5.25 mm in diameter and union screw with short M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

2. From hydraulic unit to front left brake caliper

• 5.25 mm in diameter and union screw with M10 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

3. From hydraulic unit to front right brake caliper.

• 5.25 mm in diameter and union screw with short M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

4. Hydraulic unit to rear left wheel brake cylinder

• 5.25 mm in diameter and union screw with M10 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

5. From hydraulic unit to secondary piston circuit of brake master cylinder.

• 6 mm in diameter and union screw with M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

6. From hydraulic unit to primary piston circuit of brake master cylinder.

• 6 mm in diameter and union screw with M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

On brake master cylinder:

1. Brake servo and brake master cylinder
2. Secondary piston circuit of brake master cylinder to hydraulic unit

• Specified torque⇒ Rep.

  gr. 47; Assembly overview - brake servo/ brake master cylinder

3. Primary piston circuit of brake master cylinder to hydraulic unit

• Specified torque⇒ Rep.

  gr. 47; Assembly overview - brake servo/ brake master cylinder

Connecting brake lines to hydraulic unit, right-hand drive vehicles

To hydraulic unit:

1. Hydraulic unit to rear right wheel brake cylinder

• 5.25 mm in diameter and union screw with short M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

2. From hydraulic unit to front left brake caliper

• 5.25 mm in diameter and union screw with M10 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

3. From hydraulic unit to front right brake caliper.

• 5.25 mm in diameter and union screw with short M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

4. Hydraulic unit to rear left wheel brake cylinder

• 5.25 mm in diameter and union screw with M10 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

5. From hydraulic unit to secondary piston circuit of brake master cylinder.

• 6 mm in diameter and union screw with M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

6. From hydraulic unit to primary piston circuit of brake master cylinder.

• 6 mm in diameter and union screw with M12 × 1 thread
• Specified torque ⇒ Rep. gr. 45; Assembly overview - control unit and hydraulic unit

7. Clip
8. Hydraulic unit

On brake master cylinder:

1. Brake servo and brake master cylinder
2. Secondary piston circuit of brake master cylinder to hydraulic unit

• Specified torque⇒ Rep.

  gr. 47; Assembly overview - brake servo/ brake master cylinder

3. Primary piston circuit of brake master cylinder to hydraulic unit

• Specified torque⇒ Rep.

  gr. 47; Assembly overview - brake servo/ brake master cylinder

Separating control unit from and connecting to hydraulic unitSensors