Checking engine oil cooler for leaks: VW Polo 6R (AMF, ANU, ASZ, AUY, …)

🧭 Before you start

Fits: VW Polo 6R (2009–2014)

• Opens: coolant
• Renewed: engine oil cooler, seal for housing

Don't miss

• Collect escaping coolant with drip trayV.A.G 1306 or drip trayVAS 6208.Collect leaking engine oil with a cleaning cloth, if necessary.
• Fill expansion tank up to "“max.”" mark.

🔧 Engine codes this applies to

📐 41 workshop diagrams for AMF

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

📋 Procedure

1. Remove noise insulation 50.
2. Drain coolant 19Cooling.
3. Loosen hose clip on engine oil cooler with spring-type clip pliersVAS 5024.
4. Remove engine oil cooler with housing. [Note: Collect escaping coolant with drip trayV.A.G 1306 or drip trayVAS 6208.Collect leaking engine oil with a cleaning cloth, if necessary.]
5. Clamp housing with old seal on a suitable, level and clean surface.

6. Attach plug(2) to venting connection of expansion tank (1).
7. Secure coolant hose (3) on engine oil cooler and expansion tank.
8. Fill expansion tank up to "“max.”" mark.
9. Fit cooling system testerV.A.G 1274 with adapter for cooling system testerV.A.G 1274/8 on expansion tank.
10. Using hand pump on tester, build up a pressure of approx. 1.6 bar.
11. Observe pressure drop on pressure gauge. A pressure drop within 10 minutes is not permitted.
12. Renew engine oil cooler .
13. Renew seal for housing.
14. Check coolant level and, if necessary, replenish .
15. Check engine oil level, replenish engine oil if necessary .

Other VW procedures

• Removing and installing vibration damper – Audi Q3 · 3 torque figures
• Removing and installing bracket for ancillaries – Audi A3 · 2 torque figures
• Removing, installing and checking ceramic glow pin plugs – VW · 5 torque figures
• Removing and installing radiator – VW Passat B8 · 3 torque figures
• Removing and installing cylinder head cover – Audi TT Mk1
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures