Assembly overview - power steering box (ZF) — VW
Assembly overview - power steering box (ZF) on VW: factory workshop procedure. Full factory text, tools and checks.
Workshop procedure for VW — the factory write-up, straight from real workshop data.
📋 Procedure
ℹ️ Torque figures below come verbatim from workshop data — always cross-check against your vehicle's factory manual before final tightening.
Assembly overview - power steering box (ZF)
It is not intended that repair work be carried out on the power steering box. If problems are reported, perform a pressure test and a leakage test and refer to fault finding programmes to determine the cause. If a fault is detected, renew the power steering box.
Note
Renew self-locking nuts and bolts.
Welding and straightening work on steering components is not permitted.
Use only
steering box grease
A0F 063 000 04
for greasing steering rack.
Fluid type:
hydraulic fluid
G 002 000
.
Fluid capacity in system: 0.7 ... 0.9 l.
Routing of suction and pressure line hoses
Chapter
.
Power steering box
Removing and installing
Chapter
.
Adjusting
Chapter
.
Checking steering torque
Fault finding Running gear No. 16
.
Disposal of steering box
Special Information Running gear No. 2
.
Steering box with reduced steering torque, only for vehicles up to 85 kW.
16V and VR6 vehicles have a higher steering torque of approx. 2 Nm.
Clamp
Renew - open with pincers.
Tightening
Chapter
.
Boot
Unscrew track rod ball joint before removing.
Check for wear (slits, cracks); check sealing surfaces and sealing lips for dirt/damage.
Diameter of opening is greater than bellows of TRW power steering box.
Must not be installed on a TRW power steering box.
Clamp
Renew - open with pincers.
Tightening
Chapter
.
Must not be installed on a TRW power steering box.
Right track rod
Removing and installing
Chapter
.
Wheel alignment
Chapter
.
Diameter of ball joint on seat for bellows ZF: 15 mm ∅ TRW: 12.7 mm ∅.
Must not be installed on a TRW power steering box.
Left track rod
Removing and installing
Chapter
.
Diameter of ball joint on seat for bellows ZF: 15 mm ∅ TRW: 12.7 mm ∅.
Must not be installed on a TRW power steering box.
Adjusting to length
Chapter
.
Lock nut, 50 Nm
Track rod ball joint
Pressing off
Anchor
.
Checking:
Modification:
Chapter
Maintenance
Booklet
27
.
Pressure equalising line
30 Nm
Clamp
Rubber insert
Inner diameter ZF: 50 mm TRW: 44 mm.
Identification plate and manufactures initials
TorqFix answers live for your specific car — tell it the engine code and it serves the matching sequence, torque figures and wiring for that exact variant.
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.