Checking oil pressure at front of engine: VW Touareg I 4.9 TDI (AJS, CBWA, AYH, BKW, …)

🧭 Before you start

Fits: VW Touareg I (7L, 2002–2010)

🔧 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 covers in engine compartment.
2. Remove noise insulation () from cylinder heads.
3. Unscrew the oil channel plug (A) on the cylinder bank to be checked.
4. ⚠ The thread depth in the hole of the oil channel is very small. The adapterV.A.G 1342/19 must not be overtightened (max. 14 Nm), otherwise the thread could be damaged. — Connect oil pressure testerV.A.G 1342 to oil channel hole using adapterV.A.G 1342/19. — 14 Nm (10 lb-ft)
5. Seal test hole for oil pressure switch on oil pressure testerV.A.G 1342 with plug for engine.
6. Start engine.
7. After checking, install plug (A) with new seal.

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