Power Assisted Steering Box (ZF)
Assembly overview, power steering gear (ZF)It is not intended that repair work be carried out on the power steering gear. If complaints are received determine cause with the help of pressure tests, leakage test and troubleshooting programs. If a malfunction exists replace the power steering gear.
NOTE:
Always replace self-locking nuts and bolts.
Welding and straightening work on steering components is not permitted.
To grease the rack use only steering gear grease, Part No. AOF 063 000 04, or equivalent.
Type of oil: Hydraulic oil part No. G 002 000, or equivalent
Oil system capacity: 0.7-0.9 liter. (0.74-0.95 qt)
Supply and pressure line routing. Service and Repair
1. Power Steering Gear
Removing and installing. Service and Repair
Adjusting. Adjustments
Checking steering moment
Steering gear with reduced moment only permissible for vehicles up to 85 Kw (115 hp)
Steering moment on VR6 vehicles is approx 2 Nm (18 in lb) higher
2. Hose Clip
Always replace. Use pliers to open
Tensioning, refer to Servicing. Adjustments
3. Boot
Remove ball joint before removing
Check for wear (cuts cracks), ensure sealing surfaces and sealing lips are clean and undamaged
The end diameters are larger than the boot for TRW power steering gears
Must not be installed on TRW power steering gear
4. Hose Clip
Always replace. Use pliers to open
Tensioning, refer to Servicing. Adjustments
Must not be installed on a TRW power steering gear
5. Right-Hand Tie Rod
Removing and installing. Service and Repair
Vehicle alignment. Service and Repair
Tie rod boot seat diameter
ZF: 15 mm
TRW: 12.7 mm
Must not be installed on a TRW power steering gear
6. Left-Hand Tie Rod
Removing and installing. Service and Repair
Tie rod boot seat diameter
ZF: 15 mm
TRW: 12.7 mm
Must not be installed on a TRW power steering gear
Adjusting length. Adjustments
7. Lock Nut
50 Nm (37 ft lbs)
8. Tie rod ball joint
9. Pressure Balance Pipe
10. Mounting Bracket Nuts
30 Nm (22 ft lbs)
11. Clamp
12. Rubber Mounting
Internal diameter
ZF: 50 mm
TRW: 44 mm
13. Data Plate And Company Initials