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Air filter - Summary of components > < Removing and installing the throttle valve control unitJ338

Octavia Mk2

Removing and installing intake manifold
Removing and installing intake manifold
Special tools and workshop equipment required
t  Socket insert T30 -T10405-
Removing
  Note
t  Safety precautions when working on the fuel supply system → Chapter.
t  Observe rules for cleanliness → Chapter.
–  Remove engine cover → Chapter.
–  Slacken the wiring loom from the wiring guide of the glow plugs.
  Caution
t  Carefully disconnect the plug from the glow plugs.
t  If the plug is damaged when disconnecting it, the complete wiring loom including the plugs must be replaced (plugs cannot be replaced separately).
   
–  Carefully disconnect the plug from the glow plugs. Use the assembly spanner SW 11 for help.
–  Separate the fuel return-flow lines from the high pressure reservoir (rail), from the injection units and the high pressure pump.
  N23-10224
–  Unscrew fixing screw -arrow- and remove fuel return-flow line.
–  Remove the high pressure line between the high pressure pump and the high pressure reservoir (rail).
  N23-10228
–  Disconnect the plug from the exhaust gas recirculation valve -N18--1- and from the throttle valve control unit -J338--3-.
–  Open clamp -4- and remove connecting hose.
  N15-10409
–  Unscrew the screws from the connection of the oil dipstick -arrow- and from the connection pipe for exhaust gas recirculation -2-.
–  Release fixing screws for intake manifold crosswise from the outside to the inside using the socket insert T30 -T10405-.
–  Remove intake manifold.
Install
Installation is performed in the reverse order, pay attention to the following points:
–  Replace gasket.
–  Tighten fixing screws for intake manifold crosswise from the inside to the outside.
   Tightening torque: → Chapter.
  N15-10409

Air filter - Summary of components > < Removing and installing the throttle valve control unitJ338