Removing and installing high-pressure pump (engine codes BAG, BKG) — VW

🧭 Before you start

Fits: VW Touran I (1T, 2003–2015), VW Golf V / Jetta (1K, 2003–2009); platform code 5M1

Don't miss

• Catch escaping fuel in a cloth.
• Moisten high-pressure pump bucket tappet with clean engine oil.The high-pressure pump O-ring must always be renewed.

🔧 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.

📐 22 workshop diagrams for BAG

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Remove air filter .
2. ⚠ Fuel system is under pressure! Wear eye protection and protective clothing to avoid possible injury and skin contact. Before loosening hose connections, wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection. — Remove connecting pipe (6).
3. Remove union nut (3).
4. Remove banjo bolts (1), (2) and (5). [Note: Catch escaping fuel in a cloth.]
5. Pull off connector (1).

6. Pull fuel line connections (3) and (4) off high-pressure pump (5).
7. Remove securing bolts (2).
8. Pull high-pressure pump (5) and bucket tappet out of camshaft housing. [Note: Moisten high-pressure pump bucket tappet with clean engine oil.The high-pressure pump O-ring must always be renewed.]
9. Push bucket tappet into camshaft housing.
10. Install high-pressure pump (5), with new oiled O-rings, in camshaft housing.
11. Tighten high-pressure pump (5) securing bolts (2) to 8 Nm. — 8 Nm (5.9 lb-ft)
12. Reconnect connector (1).
13. Reconnect fuel line connections (3) and (4) to high-pressure pump.
14. Tighten banjo bolts (1) and (2) to 15 Nm. — 15 Nm (11 lb-ft)
15. Install high-pressure line (4) as follows:
16. Install connecting pipe (6).
17. Install air filter .

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