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1,2/63; 77 kW TSI engine > < Glow Plug System

Octavia Mk2

Removing and installing, testing glow plugs
Removing and installing, testing glow plugs
  Note
Metal glow plugs are installed in this engine.
Special tools and workshop equipment required
t  Flexible-head wrench SW 10-3220-
t  Cleaning and degreasing agent, e.g. -D 009 401 04-
t  Protective goggles and gloves
Inspection
The Glow Plug System is monitored by the self-diagnosis of the engine control unit.
The necessary inspections are performed with the function „Targeted fault finding“ → Vehicle diagnostic tester.
Removing
Observe all safety measures and notes for assembly work on the fuel and injection system as well as the rules for cleanliness → Chapter.
–  Switch off ignition and withdraw ignition key.
–  Remove engine cover → Chapter.
–  If present, remove the noise insulation at the injection units.
   
–  Disconnect the plugs from the injection units -A-, the differential pressure sender -G505--B- and the fuel pressure sender -G247--C-.
–  Unscrew the fixing screws -arrows- of the coolant line from the intake manifold and lay the line in front of the intake manifold.
  N15-10401
–  Open the catch pegs of the wiring in order to expose the wiring loom -arrows-.
  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).
  A23-10431
–  Carefully disconnect the plug from the glow plugs. Use the assembly spanner SW 12 for help.
  N23-10224
–  Unscrew the fixing nut of the fuel return-flow line on the intake manifold, open the spring strap clamp -arrow- and remove the cable from the fuel distributor.
–  Remove the complete fuel return-flow line and place it down in front of the intake manifold.
–  Clean the pencil type glow plug channel in the cylinder head. No dirt must get into the cylinder.
When cleaning, for example:
  WARNING
Wear protective gloves and protective googles when working with grease remover!
1.  Suction off heavy dirt using a vacuum cleaner.
2.  Spray the pencil type glow plug channel using a brake cleaner or a suitable cleaner, let it take effect for a short period of time and blow out with compressed air.
3.  Then clean the pencil type glow plug channel with a cloth which is wetted with oil.
  N15-10402
–  To release the glow plugs, use socket wrench SW 10 -3220-.
Install
–  To tighten the glow plugs, use socket wrench SW 10 -3220-.
–  Tighten glow plugs.
t  Tightening torque: 18 Nm.
–  Fit the plug again onto the relevant glow plugs and check for firm seating.
–  Interrogating and erasing fault memory of engine control unit → Vehicle diagnostic tester.
  Note
After deleting the fault memory of the engine control unit the readiness code must be re-generated.
  W00-0329

1,2/63; 77 kW TSI engine > < Glow Plug System