S90 L6-2.9L VIN 96 B6304S (1998)
23. Tap clutch plate gently into position. Use socket 999 5609 in tool kit. Check that shaft key is seated in slot and has not slipped down.
24. Install and tighten clutch plate retaining nut. Use counterhold 999 5596. Tighten to 38 Nm (28 psi).
25. Fill unit with 200 ml (0.21 US qt.) of ester oil PIN 1161442-7 (included in basic conversion kit.
26. Reinstall compressor in car.
27. Tighten couplings.
28. Fill system with refrigerant.
