Renewing left seal for flange shaft on gearbox: VW Golf VII Variant / Golf VII (CJXB, CJXC, CYFB)

🧭 Before you start

Fits: VW Golf VII Variant (BA), VW Golf VII (5G, 2012–2020); platform code AU1

• Special tools named: puller

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• Raise vehicle. All 4 supports of lifting platform must be at same height.
• After loosening centre bolt, do not lower vehicle to ground again.
• Screw 2 bolts into flange and counterhold flange shaft with a lever in order to remove and install flange shaft.
• Press flange shaft against gearbox so that bolt engages in threaded piece of differential.

🔧 Engine codes this applies to

📐 5 workshop diagrams for CJXB

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

📋 Procedure

1. Raise vehicle. All 4 supports of lifting platform must be at same height.
2. Move selector lever to position »P«. [Note: After loosening centre bolt, do not lower vehicle to ground again.]
3. Step on the brake pedal while a 2nd mechanic loosens the left drive shaft bolt (arrow).
4. Remove noise insulation General body repairs, exterior66Noise insulation; Assembly overview - noise insulation.
5. Remove lower part of front left wheel housing liner General body repairs, exterior66Wheel housing liner; Removing and installing front wheel housing liner.

6. Remove left drive shaft Running gear, axles, steering40Drive shaft; Removing and installing drive shaft.
7. Remove left flange shaft of gearbox using socket T10107 A.
8. Screw 2 bolts into flange and counterhold flange shaft with a lever in order to remove and install flange shaft.
9. Remove flange shaft.
10. Position used oil collection and extraction unitV.A.G 1782 or a drip tray under gearbox.
11. Pull out oil seal using multi-purpose toolVW 771 and puller hooksVW 771/37.
12. Lightly oil outer circumference of new oil seal.
13. Fill space between sealing lip and dust lip (arrow) with sealing greaseG 052 128.
14. Drive in new seal to stop. Do not cant oil seal in the process. [Note: Press flange shaft against gearbox so that bolt engages in threaded piece of differential.]
15. Insert flange shaft and secure it with countersunk bolt.
16. Install left drive shaft Running gear, axles, steering40Drive shaft; Removing and installing drive shaft.
17. Install front left wheel housing liner General body repairs, exterior66Wheel housing liner; Removing and installing front wheel housing liner.
18. Install front left wheel Running gear, axles, steering44Wheels, tyres; Specified torques for wheel bolts.
19. Check oil level and top up .
20. Install noise insulation General body repairs, exterior66Noise insulation; Assembly overview - noise insulation.

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