Power Steering Gear (ZF), Servicing
Power steering gear (ZF), servicing
Note: Use only genuine hose clamps.
1 - Tie rod end
^ Note different versions for left and right
2 - Lock nut, 50 Nm
^ Counterhold at flats on tie rod end when loosening and tightening
3 - Hose clip
^ Replace - open using nipper pliers
^ Tightening
4 - Boot
^ Remove tie rod before disassembling
^ Check for wear (slits, cracks); check sealing surfaces and sealing lips for dirt/damage
^ If replaced, check center position of steering gear
5 - Hose clip
^ Replace - open using nipper pliers
^ Tightening
6 - Tie rod
^ Tightening torque at rack: 75 Nm
^ Counterhold at flats on rack when loosening and tightening.
^ If replaced, check center position of steering gear
7 - Clamp with rubber insert
^ For attachment to subframe
^ Can be replaced separately
^ Arrow on clamp points in direction of travel.
8 - Power steering gear
^ Servicing is restricted to replacement of tie rods and rubber boots.
^ Checking center position
Loosening and tightening tie rods
- Open large clip on rubber boot and pull back boot.
- Counterhold with open-end wrench (21 mm) when loosening and tightening.
Checking center position of steering gear
- Measure distance - a - to check whether steering gear is in center position.
Check distance - a - on left side of steering gear.
a - = 33.5 mm; adjust if necessary by turning steering pinion.
Installing boot
- Check boot for wear (slits, tears) and check sealing surfaces for dirt.
Note: Take care not the twist the boot on installation (illustration shows incorrect installation).
- Tighten hose clamp with pliers V.A.G 1275.