ATF leaking between engine and gearbox — VW

🧭 Before you start

Fits: VW Passat B5 (3B), VW Phaeton (3D)

• Renewed: atf pump, valve body

Don't miss

• (Items 1 ... 9) can be disregarded.

📋 Procedure

1. After removing gearbox, check that ATF is not coming out of the leakage inspection hole (arrow). If this is the case, the twin-lip oil seal for the final drive in the gearbox housing is defective.
2. Renew twin-lip oil seal for final drive in gearbox housing if necessary Automatic gearbox 01V, front and all-wheel drive39.
3. Check brass bush (arrow) for scoring and damage.
4. Check hub (arrow) of torque converter for scoring and damage.
5. Renew ATF pump and torque converter.

6. Dismantle and clean gearbox if ATF is very dirty Assessment of wear by checking ATF for colour and contamination.
7. Renew valve body .
8. Check whether torque converter centring sleeve (arrow) is fitted in crankshaft Engine, mechanics13.
9. Check that both dowel sleeves (A) are fitted in cylinder block.
10. Check whether dowel sleeves are deformed or drillings in gearbox flange are damaged. [Note: (Items 1 ... 9) can be disregarded.]

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