volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Assembly overview - hydraulic unit, brake servo/brake master cylinder Teves 20 GI - LHD > < Removing

Passat (B3)

Installing
Installing
  Note
t  Do not remove sealing plugs from new hydraulic unit until corresponding brake line is to be fitted.
t  If sealing plugs are removed from hydraulic unit sooner, brake fluid may escape and it may no longer be possible to fill and bleed the unit properly.
t  No contamination may be present in the control unit - valve block area.
–  Push control unit onto hydraulic unit contact pins until resting on the control unit housing/valve block.
–  Bolt control unit onto hydraulic unit. Observe specified torque 4 Nm (renew bolts always).
–  Plug in connector for hydraulic pump motor.
–  Further installation is performed in reverse sequence.
–  Bleed brake system → Chapter.
–  Code control unit → Running gear self-diagnosis; Rep. Gr.01.
   
Specified torques:
For LHD vehicles: 
Control unit to hydraulic unit4 Nm
Torx socket head bolt for hydraulic unit to bracket8 Nm
Nut for tandem brake master cylinder to brake servo25 Nm
Heat shield to tandem brake master cylinder8 Nm
Brake lines to ABS unit: 
Thread M10 x 115 Nm
Thread M12 x 115 Nm
For RHD vehicles: 
Control unit to hydraulic unit4 Nm
Nut for hydraulic unit to bracket10 Nm
Bracket to assembly plate25 Nm
Brake lines to ABS unit: 
Thread M10 x 115 Nm
Thread M12 x 115 Nm

   

Assembly overview - hydraulic unit, brake servo/brake master cylinder Teves 20 GI - LHD > < Removing