S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
Release the housing secondary locking as shown.
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Insert a small screwdriver (approx. 3 mm blade width) as shown. Bend the secondary locking catch outward carefully and push the locking cover
forwards 1.5 mm.
For a combined pin housing do the following:
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Release the pin housings from each other.
The illustration shows pin housings with the contact side up.