Renewing sealing flange with oil seal for crankshaft: VW Touareg II (CJTA, CMKA, CMKB, CYJA)

🧭 Before you start

Fits: VW Touareg II (7P, 2010–2018)

• Special tools named: T40048/1, T40048/2, T40048

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• Remove bolts for poly V-belt pulley for coolant pump using pin wrench3212 to counterhold.
• Sealing flange at belt pulley end must always be renewed.
• Risk of eye injury.Wear safety goggles. — Remove sealant residue from cylinder block and sump (upper part) using rotating plastic brush or similar.
• Observe use-by-date of sealant.
• Cut off nozzle at front marking on tube (diameter of nozzle approx. 2 mm).

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Remove poly V-belt .
2. Remove vibration damper .
3. Remove idler pulley for supercharger poly V-belt.
4. Remove bolts for poly V-belt pulley for coolant pump using pin wrench3212 to counterhold.
5. Remove poly V-belt pulley.

6. Remove bolts (arrows).
7. Carefully remove sealing flange at belt pulley end from adhesive. [Note: Sealing flange at belt pulley end must always be renewed.]
8. ⚠ Risk of eye injury.Wear safety goggles. — Remove sealant residue from cylinder block and sump (upper part) using rotating plastic brush or similar.
9. Clean sealing surfaces; they must be oil and grease free. [Note: Observe use-by-date of sealant.]
10. Cut off nozzle at front marking on tube (diameter of nozzle approx. 2 mm).
11. ⚠ Danger of blocking lubrication system with excess sealant.Do not apply sealant bead thicker than specified. — Apply bead of sealant onto clean sealing surface of sealing flange as illustrated. [Note: Sealing flange must be fitted within 5 minutes after sealant has been applied.]
12. Fit assembly aid T40048/1 onto fitting sleeve T40048/2 and push sealing flange (1) onto fitting sleeve.
13. Remove assembly aid.
14. First position sealing flange (1) (with T40048/2assembly sleeve inserted) on crankshaft.
15. Push sealing flange to sealing surface of engine without jamming it.
16. Tighten bolts (arrows) in diagonal sequence to 9 Nm. — 9 Nm (6.6 lb-ft)
17. Install poly V-belt pulley for coolant pump .
18. Install vibration damper .

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