Removing and installing turbocharger, engine code CRVA: VW (CRVA)

🧭 Before you start

Fits: VW Golf VII Variant (BA), VW Golf Sportsvan (AM1, 2014–2020), VW Golf VII (5G, 2012–2020), VW Touran II (5T, 2015–)

• Opens: coolant
• Renewed: seals

🔧 Engine codes this applies to

📋 Procedure

1. ⚠ Avoid impairing function through contamination or soiling.Rules for cleanliness — Remove engine cover panel .
2. Drain coolant .
3. Remove front exhaust pipe .
4. Remove coolant pipe (rear) .
5. On vehicles with auxiliary heater, remove coolant lines from plenum chamber bulkhead Auxiliary heater82Coolant circuit with auxiliary/supplementary heaters; Removing and installing coolant pipes for auxiliary/supplementary heaters.

6. Remove connecting piece on turbocharger .
7. Unscrew bolts (arrows) and remove resonator (1).
8. Disconnect connector from exhaust gas temperature sender 1G235.
9. Remove catalytic converter or particulate filter .
10. Remove exhaust gas recirculation cooler .
11. Unscrew bolts (1 ... 5), and remove bracket for exhaust gas recirculation cooler.
12. Unscrew bolt (2) and union nut (4).
13. Unscrew bolts (3 and 5), and detach oil return line.
14. Unscrew bolts (arrows) and remove heat shield (1).
15. Pull vacuum hose (2) from turbocharger vacuum unit.
16. Unscrew nuts (arrows), pull turbocharger with exhaust manifold off cylinder head and remove it upwards. [Note: Renew seals, gaskets, O-rings and self-locking nuts after removal.Fill turbocharger with engine oil at connection for oil supply line.Hose unions and air intake pipes and hoses must be free of oil and grease before installation.Secure all hose connections with hose clips meeting production standard Electronic Parts Catalogue.After installing turbocharger, run engine for about 1 minute at idling speed to ensure that oil is supplied to turbocharger. Do not rev engine immediately.]
17. Observe electrical connections and routing Electrical system97Relay carriers, fuse carriers, electronics boxes; Overview of fitting locations - relay carriers, fuse carriers, electronics boxes and .
18. Install rear coolant pipe .
19. Install bracket for exhaust gas recirculation cooler .
20. Install exhaust gas recirculation cooler .
21. Install catalytic converter or particulate filter .
22. Install front exhaust pipe .
23. Connect vacuum hose .
24. Fit engine cover panel . [Note: After new components have been installed (engine/short engine, cylinder head, camshaft housing or turbocharger) the oil pressure control must be set to max. pressure for approx. 1000 km if the function is available in the engine control unit. This will compensate for the increased friction during run-in of new components, and a better transport of wear-related particles is guaranteed. To do this, connect vehicle diagnostic tester, switch on ignition, and select the following menu options:01 - Engine electronicsGuided FunctionsAdaptionOil pressure control/activate run-in function]

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