skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Installing cylinder head > < Removing and installing cylinder head
Removing cylinder head
Removing cylinder head
–  Switch off the ignition and pull out the ignition key.
–  Remove air filter with air mass meter -G70- and inlet hose → Chapter.
–  Drain coolant → Chapter.
–  Removing toothed belt → Chapter.
–  Remove cylinder head cover → Chapter.
–  Unbolt heat shield for right drive shaft.
   
–  Release nuts -2- and screws -3- and remove the connection pipe for exhaust gas recirculation.
  A21-10153
–  Release screw -2- and hollow screw -3-.
–  Turn the support for exhaust gas turbocharger by 90° and pull it towards the bottom out of the oil return-flow line.
  A21-10088
–  Release screws -arrows- at holder for diesel particle filter.
–  Observe the safety instructions when working on the fuel supply → Chapter.
  A26-10190
–  Disconnect the fuel intake hose -2- (white marking) and the fuel return-flow hose -1- (blue marking) from the tandem pump.
  A15-0921
–  Disconnect coolant hoses -1 … 4-.
  A15-10348
–  Release plug -arrow- at fuel temperature sender -G81- and expose the electrical cables.
  A23-0204
–  Expose vacuum hose at retaining clip -arrow-.
–  Release screw -1-.
–  Disconnect vacuum hose -2- to the vacuum setting element for air flow control.
  A23-10152
–  Unclip intake manifold flap valve -N316--arrow- from bracket.
–  Remove exhaust gas recirculation valve -N18- → Chapter.
  A23-10148
–  Disconnect plug connection -3- for exhaust gas temperature sender 1 -G235- (temperature sender upstream turbocharger -G507-) and expose cable.
  A23-10003
–  Remove oil intake hose -3- from exhaust gas turbocharger.
–  Release screw -1-.
–  Pull retaining clips -Pfeile- out slightly and remove the charge air hose.
–  Remove nut -2-.
–  Swivel the vacuum line slightly to the left.
  A21-10093
–  Expose electrical cable to exhaust gas temperature sender 1 -G235- (temperature sender upstream turbocharger -G507-) -1-.
  A21-10155
–  Slacken retaining clip -1- for diesel particle filter and remove it.
–  Press the diesel particle filter slightly backwards.
  A26-10173
–  Disconnect plug -arrow- at coolant temperature sender -G62-.
  A19-0485
–  Pull release pin in -direction of arrow 1- and open the knurled nut in -direction of arrow 2-.
–  Disconnect central plug for unit injectors and ceramic pencil type glow plugs and expose wiring loom.
  A15-0912
–  Remove vacuum hose -1- on the tandem pump.
–  Remove vacuum hose -4- at non-return valve.
–  Disconnect vacuum hose -2-.
–  Press rubber grommet -3- out of the engine lifting eye.
  A15-10349
–  Unscrew the coolant fitting -arrows-.
–  Remove toothed belt sprockets of camshafts and pull off hubs for camshafts → Chapter.
  A15-10350
–  Release screws -2...4-.
–  Unscrew screw -5- and remove the Hall sender -G40- from cylinder head.
–  Unscrew nut -1- for tensioning pulley.
  A15-10353
–  Release screws -1--3- and -5-.
–  Loosen screws -2- and -4- and release alternately in several stages.
  Note
Do not pull out screws of the valve-lever shaft, so that the individual parts on the valve-lever shaft remain attached. If necessary mark assignment of the individual parts.
–  Remove valve-lever shaft.
  S15-0442
–  Unscrew screws -6...10- of bearing frame.
  S15-0442
–  Slacken cylinder head bolts in the order shown.
  S15-0443
–  Hook on lifting device -2024 A- at cylinder head.
  WARNING
Lifting hooks and pegging pins on the supporting device must be secured using insertion locking mechansims -arrows-.
–  Slightly raise the cylinder head with workshop crane.
–  Swivel the cylinder head to the left out of the rear toothed belt guard and simultaneously remove the tensioning pulley.
–  Place the cylinder head down on a soft surface with the sealing surface to the top.
–  Due to the high sensitivity to fracture of the installed ceramic pencil type glow plugs, the cylinder head must never be placed down with the installed ceramic pencil type glow plugs on the sealing surface as the ceramic pencil type glow plugs protrude slightly beyond the sealing surface. Handling the ceramic pencil type glow plugs → Chapter.
  A15-10354

Installing cylinder head > < Removing and installing cylinder head