Passat 4Motion V6-2.8L (ATQ) (2005)
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The ABS hydraulic unit -N55- and the Hydraulic pump for traction control -V156- are located on left in engine compartment.
1 - Hydraulic unit with ABS return flow pump.
Hydraulic unit and ABS return flow pump are one unit and if malfunctioning must be replaced together.
2 - Electronic stabilization program hydraulic pump with brake pressure sender.
Electronic stabilization program hydraulic pump and brake pressure sender are one unit and if malfunctioning must be replaced together.
CAUTION! Do not bend the brake lines in the area of the hydraulic unit!
Removing:
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Note or request radio code on vehicles with coded radio if necessary.
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Disconnect battery.
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Release connector from hydraulic unit (arrow -1-) and pull off (arrow -2-)
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Install brake pedal depressor VAG 1869/2.
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Depress brake pedal with brake pedal depressor.
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Connect bleeder bottle hose to left-front brake caliper bleed screw and open bleed screw.
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Close left-front bleeder screw.
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Place lint-free cloths under the hydraulic unit.
Make sure no brake fluid gets onto contacts.
This work sequence is only valid for removal of the hydraulic unit.
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Detach brake lines on the hydraulic unit.
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Seal brake lines and threaded holes with plugs from repair set Part No. 1 HO 698 311 A.
