Dismantling and assembling differential, all-wheel drive: 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
• Renewed: washer

Don't miss

• When pulling off inner race, ensure that hooks do not bend outwards, further tightening bolt (arrow) if necessary.

🔧 Engine codes this applies to

📐 44 workshop diagrams for CJXB

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

📋 Procedure

1. Tighten internal puller (B) between tapered roller bearing/outer ring and washer. [Note: Tighten internal puller(B) between tapered roller bearing/outer ring and shim .After pulling out, renew washer .Instead of using the internal puller 46 … 58 mmKukko 21/7, it is also possible to use the internal puller 56 … 70 mmKukko 21/8.]
2. First, insert washer .
3. Place thrust plate40-105 on differential cage.
4. Clamp puller(A), e.g. Kukko 204/2, in vicinity of flat sides of differential cage behind inner race. [Note: When pulling off inner race, ensure that hooks do not bend outwards, further tightening bolt (arrow) if necessary.]
5. ⚠ Wear protective gloves! — Set sleeve 3301/3 from assembly tool3301 with notch (arrow) (larger inner diameter) on tapered roller bearing inner race.

6. Support gearbox housing with tube3345 directly below bearing support.
7. Drive spring pin (A) out of hole (arrow) in differential cage using drift pin, ∅ 5 mm (B). [Note: If there is no hole (arrow) in the differential cage, then proceed as follows in order to drive out the spring pin:First drive spring pin (1) flush into differential pinion pin (2).Set differential under press with spring pin (arrow) facing towards extension30 - 23.Then, press out differential pinion pin.Remove any sheared-off parts of spring pin from differential cage and differential pinion pin.]
8. Lubricate one-piece thrust washer with gear oil and install.
9. Install both sun wheels and secure (e.g. with flange shaft).
10. Insert planet pinions offset 180° and pivot into position.
11. Press in differential pinion pin ((arrow A)) to first planet pinion.
12. Drive differential pinion pin into final position and secure with spring pin .
13. Align hole in differential pinion pin with hole in differential cage.
14. Using a drift, drive in spring pin (1) until dimension (a) = 2.5 ± 0.5 mm is attained.

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