vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Yaw Rate/Acceleration Sensor > < Hydraulic Modulator with ABS-Control Unit, Remove and Install/Replace

Hydraulic Modulator Bracket, Remove and Install

  Remove

1.   Detach cover of brake fluid reservoir
2.   Siphon out as much brake fluid as possible with siphon bottle
3.   Remove battery
•   Detach earth connection from earth terminal
Release 1x fastening nut
•   Detach positive connection from battery
Unscrew nut
•   If present: detach thermal protection
•   Remove bracket
Unscrew bolt
•   Remove battery
4.   Remove battery support
•   For diesel engines: Detach preheater system control unit (4)
•   Detach wiring harness plug (3)
•   Detach coolant hose
•   Unclip clip (5)
•   Detach wiring harness
Disconnect 2x cable ties (1)
•   Unscrew 3 x bolt (2)
Object Number: 3446570  Size: DEFAULT


5.   Detach coolant compensation tank
Note:   Cooling system remains sealed
•   Disconnect wiring harness plug
Set coolant compensation tank aside
6.   Remove hydraulic modulator
•   Disconnect hydraulic modulator wiring harness plug
•   Detach 6x hydraulic line (2)
•   Unscrew 3x bolt (1)
Object Number: 3447191  Size: DEFAULT


7.   Detach hydraulic modulator bracket
•   Unscrew 3x bolt (1)
•   Remove hydraulic modulator bracket
Object Number: 3447192  Size: DEFAULT


  Install

8.   Attach hydraulic modulator bracket
•   Insert hydraulic modulator bracket
•   Tighten 3x bolt 20 Nm
9.   Install hydraulic modulator
•   Tighten 3x bolt 8 Nm
•   Attach 6x hydraulic line
Tighten 6x retaining bolt 14 Nm
•   Connect hydraulic modulator wiring harness plug
10.   Attach coolant compensation tank to mounting
•   Connect wiring harness plug for coolant level sensor
11.   Install battery support 15 Nm
•   Tighten 3x bolt
•   For diesel engines: Attach preheater system control unit
•   Attach wiring harness plug
•   Clip coolant hose in
•   Attach wiring harness
Attach 2x cable tie
12.   Install battery
•   Install battery bracket
Tighten bolt
•   If present: install thermal protection
•   Attach positive connection to positive terminal
Tighten nut
•   Attach earth connection to earth terminal
Tighten nut
13.   Brake System, Bleed
14.   Top up brake fluid reservoir to "MAX" marking
15.   Screw cover on to brake fluid reservoir
16.   Program volatile memory

Yaw Rate/Acceleration Sensor > < Hydraulic Modulator with ABS-Control Unit, Remove and Install/Replace