Removing and installing glow plugs, engine code CATA: VW Touareg I 3.0 TDI (CATA)

🧭 Before you start

Fits: VW Touareg I (7L, 2002–2010)

• Special tools named: torque wrench

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• Reconnect glow plug connectors to the corresponding glow plugs and make sure the electrical connectors are securely fitted.

🔧 Engine codes this applies to

📋 Procedure

1. Switch off ignition.
2. Remove engine cover panel . [Note: For cylinders 3 and 6, the respective intake manifold flap motors must be unbolted.A combustion chamber pressure sender is integrated in the glow plugs for cylinders 2 and 5.Electric components list term: glow plug 2Q11 with cylinder 2 combustion chamber pressure sender G678Electric components list term: glow plug 5Q14 with cylinder 5 combustion chamber pressure sender G681]
3. Pull glow plug connectors off glow plugs.
4. Clean glow plug channel in cylinder head. Make sure no dirt gets into cylinder. [Note: Cleaning procedure:Use a vacuum cleaner to remove coarse dirt.Spray brake cleaner or suitable cleaning agent into glow plug channel, let it work in briefly, and blow out with compressed air.Then clean glow plug opening using a cloth moistened with oil.]
5. Use U/J extension and socket, 10 mm3220 to loosen glow plugs "“1, 3, 4, 6”".

6. Use socket insert AF 12 for glow plugs 4-cyl.TDI CR dieselVAS 6454 to loosen glow plugs "“2 and 5”"
7. Then, carefully unscrew glow plugs by hand or with a suitable hose without canting them.
8. Carefully screw glow plugs in again by hand or with a suitable hose without canting them.
9. Use U/J extension and socket, 10 mm3220 or socket insert AF 12 for glow plugs 4-cyl.TDI CR dieselVAS 6454 with a suitable torque wrench to tighten glow plugs.
10. Reconnect glow plug connectors to the corresponding glow plugs and make sure the electrical connectors are securely fitted.

🎬 Related video tutorial

Independent AUTODOC tutorial for the same job, filmed on a different model (PASSAT B7 Saloon) — the technique carries over, the fasteners and figures on this page are the ones for your car.

How to change glow plugs on VW PASSAT B7 Saloon

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