Renewing oil seal for selector shaft: VW Golf VII / Passat B8 2.0 (BYD, CDLA, CDLC, CDLF, …)

🧭 Before you start

Fits: VW Golf VII (5G, 2012–2020), VW Passat B8 (3G, 2014–)

• Opens: coolant

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• For reasons of clarity, the illustration shows the installation position with high-voltage components removed.(Item 3) can be disregarded.
• Risk of damage to selector lever cable.Do not push selector lever cable backwards out of cable support bracket.Do not bend or kink selector lever cable. — Unscrew nut (1).
• Risk of damage to contact surface of selector shaft.Fit screwdriver carefully. — Using a small screwdriver, pierce through seal and pull it out.

🔧 Engine codes this applies to

📐 34 workshop diagrams for BYD

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

📋 Procedure

1. ⚠ Danger to life due to high voltageRisk of severe or fatal injury due to electric shock.Have a "“high-voltage technician (HVT)”" de-energise the high-voltage system.Work on a de-energised high voltage system must only be performed by an "“electrically instructed person (EIP)”". — De-energise high-voltage system 93De-energising high-voltage system.
2. Remove engine cover panel 10Engine cover panel; Removing and installing engine cover panel.
3. Drain coolant from engine and high-voltage system 19Cooling system/coolant; Draining and filling coolant.
4. Disconnect electrical connector (3).
5. Detach coolant expansion tank (1) from bracket. To do this, release catches (2) using a small screwdriver (arrow).

6. Unscrew nuts (2), and remove bracket (1).
7. Lift retaining clip (1), release hose clip (2), disconnect coolant hoses, and push them to one side. [Note: For reasons of clarity, the illustration shows the installation position with high-voltage components removed.(Item 3) can be disregarded.]
8. Release hose clips (arrows), remove coolant hoses, and push them to one side.
9. Detach retaining clip (2).
10. Unclip securing clip (1), and remove it.
11. Press selector lever cable off gearbox selector lever.
12. ⚠ Risk of damage to selector lever cable.Do not push selector lever cable backwards out of cable support bracket.Do not bend or kink selector lever cable. — Unscrew nut (1).
13. Carefully lever gearbox selector lever (2) off selector shaft.
14. ⚠ Risk of damage to contact surface of selector shaft.Fit screwdriver carefully. — Using a small screwdriver, pierce through seal and pull it out.
15. Apply gear oil to circumference and sealing lips of new oil seal.
16. Fill half of the space between sealing lip and dust lip (arrow) with sealing grease Electronic Parts Catalogue.
17. Drive in new seal to stop using 15 mm socket (item 1), being careful not to cant seal.
18. Fit gearbox selector lever (2) onto selector shaft, and tighten nut (1).
19. Push selector lever onto gearbox selector lever, and adjust selector lever cable .
20. ⚠ Danger to life due to high voltageRisk of severe or fatal injury due to electric shock.Have a "“high-voltage technician (HVT)”" re-energise the high-voltage system. — Re-energise high-voltage system 93Re-energising high-voltage system.

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