Removing and installing ceramic glow pin plugs; carrying out resistor test

Special tools and workshop equipment required

• Jointed spanner - 3220-
• Torque wrench (5 … 50 Nm) - V.A.G 1331-
• Hand multimeter - V.A.G 1526 A-
• Adapter set - V.A.G 1594 C-

Test conditions

• Engine is cold
• Ignition switched off

Procedure

• Remove engine cover panel ⇒ 3 Engine cover panel

• Open catches -arrows- of cable routing and free wiring harness.

• Pull connector -6- off fuel pressure sender - G247-.

• Position pliers - 3314- with groove -arrow A- on support sleeve shoulder -arrow B-.

• Carefully pull connectors off glow pin plugs -in direction of arrow-.
• Clean glow pin plug openings in cylinder head. It must be ensured that no dirt falls into the cylinder.

Cleaning procedure:

1. Use a vacuum cleaner to remove coarse dirt.
2. Spray brake cleaner or suitable cleaning agent into glow pin plug opening, let it work in briefly, and blow out with compressed air.
3. Then use an oil-soaked cloth to clean the glow pin plug opening.

• To loosen glow pin plugs, use 10 mm socket spanner - 3220-

Installation is carried out in the reverse order. When installing, note the following:

• Before installing, bore in cylinder head and threads must be completely cleaned of all deposits.

• Screw ceramic glow plugs into cylinder head by hand using U/J extension and socket, 10 mm - 3220-.
• Then tighten ceramic glow pin plugs. Specified torque: 18 Nm

• If specification is exceeded, renew defective ceramic glow pin plug.