volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Installing > < Removing and installing brake servo
Removing
Removing
–  Remove engine cover → Rep. gr.15.
–  Remove air filter → Rep. gr.24
–  Remove battery → Electrical system; Rep. gr.27.
   
–  Remove battery tray -arrows-.
Vehicles with turbocharger:
  A10-1572
–  Press release buttons, pull off air hose -1- and swivel to side.
–  Unscrew bolt -arrow- for air pipe.
–  Undo hose clip -2- and remove air pipe.
–  Remove intake hose between air pipe and turbocharger.
–  Seal turbocharger with the sealing plug set for engine -VAS 6122/40-.
Continuation for all models:
–  Place sufficient lint-free cloths in area of engine and gearbox.
–  Draw off as much brake fluid as possible from brake fluid reservoir using brake filling and bleeding equipment -VAS 5234- or extraction unit -V.A.G 1869/4-.
Vehicles with manual gearbox:
  N21-10192
–  Detach supply hose -B- for clutch master cylinder, lift clear and tie in place.
Continuation for all models:
  N47-10056
–  Unclip heat shield and place to one side.
  N47-10139
–  Disconnect connector -A- from brake fluid level warning contact.
–  Unscrew brake lines -1- and -2- from brake master cylinder and seal brake lines using sealing plugs from repair kit -1H0 698 311 A-.
–  Unscrew brake master cylinder nut -4-.
–  Remove heat shield (if installed) -3-.
  N47-10113
–  Separate connector -A- from brake light switch -F-.
–  Unscrew nut -1- from brake master cylinder -2-.
–  Carefully take brake master cylinder -2- out of brake servo.
  N47-10114
–  Unclip lines -1- from retainer.
–  Unscrew bolts -3- and place coolant expansion tank -2- to one side.
–  Pull vacuum hose out of brake servo.
–  Remove gear selector cable from gear stick and cable support from gearbox casing → Rep. gr.34
–  Remove noise insulation → General body repairs, exterior; Rep. gr.50.
Vehicles with turbocharger:
  N47-10112
–  Separate charge air hose for turbocharger from charge air pipe.
Continuation for all models:
–  Move lock carrier to service position → General body repairs, exterior; Rep. gr.50
  Caution
Danger of destruction due to reverse running direction in the case of a poly V-belt that has already run.
Before removing the poly V-belt, use a piece of chalk or a felt pen to mark the running direction.
  N47-10140
–  Turn tensioner in direction of -arrow- to relieve tension on poly V-belt.
–  Use the adjustment pin -T10060 A- to arrest the tensioner.
–  Remove poly V-belt.
  N13-10338
–  Remove electrical connector -1- for control valve for compressor of air-conditioning system -N280-.
  WARNING
Danger of injury due to coolant.
It is not permissible to open the coolant circuit of the air-conditioning system.
–  Unscrew bolts -arrow- for air-conditioning compressor..
  Caution
Danger of damage to coolant lines and hoses.
Do not excessively stretch coolant line and make sure they are not kinked or bent double.
–  Fasten air-conditioning compressor together with connected coolant hoses to the longitudinal member above.
  A10-1637
–  Undo nuts -arrows- of the connection between header and turbocharger.
–  Place the header to one side.
  A26-10456
–  Unscrew bolts -1- to -3- and remove pendulum support.
–  Remove cable support from gearbox → Rep. gr.34
  A10-1578
–  Fit support bracket -10 - 222 A- and support engine/gearbox assembly.
–  Mount adapter -10 - 222 A /8- on the longitudinal beams directly before the projection -arrow 1- and next to the bolt -arrow 2-.

   
–  Screw holder -T10346- onto the rear of the 3 mounting holes for the battery tray.
–  Attach spindle -10 - 222 A /11- to holder -T10346- and tighten it in position.
–  Fasten shackle -10 - 222 A /12- to gearbox casing.
–  Attach spindle of support bracket -10 - 222 A- to shackle -10 - 222 A /12- and tighten it in position.
  N47-10135
–  Unscrew bolts -arrows- of engine/gearbox support on the engine.
  A10-1898
–  Unscrew bolts -arrows- of engine/gearbox support on gearbox.
  A10-1796
–  Lower engine/gearbox assembly (first one side and then the other) via the spindles and pull towards the front as far as possible.
On the gearbox side, the distance -a- between the gearbox brace and the gearbox support must not be more than 7 cm.
  N47-10136
On the engine side, the distance -a- between the engine brace and the engine support must not be more than 11 cm.
  Note
t  Make absolutely sure that the drive shafts can move freely in relation to the engine/gearbox support.
t  In order to prevent damage, it must be ensured that the drive shafts do not rest on the engine/gearbox support!
–  Separate brake pedal from brake servo → Chapter.
  N47-10137
–  Remove bolts -1- from brake servo.
–  Carefully remove brake servo -2- from the vehicle.
  N47-10115

Installing > < Removing and installing brake servo