Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 771
3
Control Module and Hydraulic Unit
⇒ “3.1 Overview - Control Module and Hydraulic Unit”,
page 15
⇒ “3.2 ABS Control Module J104 / ABS Hydraulic Unit N55 , Re‐
moving and Installing”, page 17
⇒ “3.3 Control Module, Separating from Hydraulic Unit”,
page 31
⇒ “3.4 Control Module, Attaching to Hydraulic Unit”, page 32
⇒ “3.5 Brake Lines, Attaching to Hydraulic Unit”, page 33
3.1
Overview - Control Module and Hydraulic Unit
1 - ABS Control Module - J104-
❑ Removing and instal‐
ling. Refer to
.
2 - ABS Hydraulic Unit - N55-
❑ Removing and instal‐
ling. Refer to
.
3 - TORX
®
Bolt
❑ 1. Step: Preliminary
tightening specification
1 Nm to 1.5 Nm (to in‐
stall the seal)
❑ 2. Step: final tightening
specification: 2.5 Nm
❑ Install the new TORX
®
bolt in two steps switch‐
ing back and forth.
4 - Brake Line
❑ 14 Nm
❑ Identification: 5.25 mm
diameter and tube fitting
with a M12 x 1 thread
❑ To the right rear brake
caliper
5 - Brake Line
❑ 14 Nm
❑ Identification: 5.25 mm diameter and tube fitting with a M10 x 1 thread
❑ To the left front brake caliper
6 - Brake Line
❑ 14 Nm
❑ To the right front brake caliper
❑ Identification: 5.25 mm diameter and tube fitting with a M12 x 1 thread
7 - Brake line
❑ 14 Nm
❑ Identification: 5.25 mm diameter and tube fitting with a M10 x 1 thread
❑ To the left rear brake caliper
8 - Brake Line
❑ 14 Nm
❑ Identification: 6 mm diameter and tube fitting with a M12 x 1 thread
❑ Brake master cylinder/primary piston circuit to the ABS Hydraulic Unit - N55-
9 - Brake Line
❑ 14 Nm
❑ Identification: 6 mm diameter and tube fitting with a M12 x 1 thread
❑ Brake master cylinder/secondary piston circuit to the ABS Hydraulic Unit - N55-
10 - Brake Booster
❑ Removing and installing
11 - Bracket
12 - Bolt
❑ 8 Nm
13 - Rubber Buffer
14 - Heat Shield
For allocation. Refer to the Parts Catalog
15 - Hex Nut
❑ 20 Nm
16 - Bracket
17 - Hex Nut
❑ 20 Nm
3.2
ABS Control Module - J104- / ABS Hy‐
draulic Unit - N55- , Removing and In‐
stalling
⇒ “3.2.1 ABS Control Module J104 / ABS Hydraulic Unit N55 ,
Gasoline Engine, Removing and Installing”, page 17
⇒ “3.2.2 ABS Control Module and ABS Hydraulic Unit, Removing
3.2.1
ABS Control Module - J104- / ABS Hy‐
draulic Unit - N55- , Gasoline Engine,
Removing and Installing
Special tools and workshop equipment required
♦ Torque Wrench 1331 5-50Nm - VAG1331-
♦ Open Ring Spanner Insert - AF 11mm - VAG1410/6-
♦ Torque Wrench - Universal Joint - VAG1410/7-
♦ Mini Torque Wrench - VAS6854-
♦ Brake Pedal Actuator - VAG1869/2- .
♦ Torque Wrench - Assembly Tool - VAG1410/8-
Plugs 5Q0 698 311
1 - M10 Plug
2 - M12 Plug
Installed Component Location
The ABS Control Module - J104- -1- is attached to the ABS Hy‐
draulic Unit - N55- and is located inside the engine compartment
on the right side.
Removing
WARNING
Do not bend the brake lines near the ABS Hydraulic Unit -
N55- !
– Read and note the present control module coding.
– If the vehicle has a coded radio, get the radio code from the
customer before beginning.
– Disconnect the battery. Refer to ⇒ Electrical Equipment; Rep.
Gr. 27 ; Battery; Battery, Disconnecting and Connecting .
– If equipped, remove the engine cover. Refer to ⇒ Engine Me‐
chanical, Fuel Injection and Ignition; Rep. Gr. 10 ; Engine
Cover; Engine Cover, Removing and Installing .
– If equipped, remove the heat shield -1-.
– Unclip the heat shield -1- from the bracket -2- -arrow-.
– Unclip the wire routing.
– Push the lock washer downward in the direction of -arrow A-.
– Release the locking mechanism in the direction of -arrow B-.
– Remove the connector -1-.
– Install the Brake Pedal Actuator - VAG1869/2- .
– Attach the bleeder bottle bleed hose -1- to the left front brake
caliper bleed valve.
– Open the bleed valve.
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