servotronic BMW 540i 1997 E39 Workshop Manual

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L.. Steering and Wheel ~li~nrnentl ~
4 Mark A on steering gearbox shaft must be located in center
of
pitman arm slot.
- Adjust pitman arm as described later.
I 5"?~~5~"
I / < Gap A = 0.5 - 8.5 mm (0.02 - 0.33 in)
- Tighten pitman arm pinch bolt to specification.
' 1 Tightening torques
I u "steering Steering gearbox to subframe 62 Nm (46 ft-lb)
box Steering shaft universal joint to steering 19 Nm (14 It-lb)
gearbox (replace bolt)
- Install center tie rod to pitman arm using a new self locking
Pilrnan nut. arm
5nz3zn588 - Connect harness connector for Servotronic electro-hydraulic
regulator
if necessary.
- Connect fluid hoses to steering gearbox. Use new sealing
washers at couplings and make sure not to overtorque banjo
bolts.
Tightening torques Hydraulic lines to steering gearbox (banjo bolts)
MI0 12 Nm (9 ft-lb)
- M14 35 Nm (26 ft-lb)
. M16 40 Nm (30 ft-lb)
MI8 45 Nm (33 it-lb)
Center tie rod to pitrnan arm 65 Nm (48 it-lb)
(use new self-loclting nut)
- Reconnect negative (-) battery cable.
- lnstall airbag unit. See 721 Airbag System (SRS).
- Fill and bleed power steering system as described earlier.