Workshop Manuals Factory service & repair Land Rover
01 Range Rover 2002MY ON Workshop Manual - System Description and Operation - LM - 6th Edition - NAS02 03 04 05 06 07 08 09 ENGINE - V810 11 12 ENGINE MANAGEMENT SYSTEM – V813 14 FUEL DELIVERY SYSTEM – V815 16 17 18 19 20 COOLING SYSTEM – V821 22 MANIFOLDS AND EXHAUST SYSTEM – V823 TRANSFER BOX24 AUTOMATIC TRANSMISSION – ZF 5HP2425 26 DRIVE AND PROPELLER SHAFTS27 28 FINAL DRIVE29 STEERING30 31 SUSPENSION32 33 34 35 BRAKES36 37 38 RESTRAINT SYSTEMS39 40 41 DOORS42 INTERIOR TRIM COMPONENTS43 44 45 SCREENS46 SEATS47 48 SUNROOF49 50 AIR CONDITIONING51 52 53 54 55 56 57 WIPERS AND WASHERS58 59 CHARGING AND STARTING60 61 62 63 64 LIGHTING65 66 BODY CONTROL UNIT67 68 COMMUNICATION DATA BUSES69 70 71 SECURITY72 WINDOWS73 74 75 ENTERTAINMENT AND INFORMATION SYSTEMS76 DRIVING AIDS77 78 INSTRUMENTS
Land Rover L322 Range Rover System Description and Operation29 · STEERING
29 · Steering & suspension

Hydraulic Circuit Operation

Make
Land Rover
Model
Range Rover L322 Range Rover System Description and Operation
Section
Operation › Hydraulic Circuit Operation
STEERINGHydraulic Circuit Operation · page 1 of 3
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STEERING

57-22

DESCRIPTION AND OPERATION

Operation

Hydraulic Circuit Operation
The following hydraulic circuits show power steering operation and fluid flow for the steering in a straight ahead, 
neutral position and when turning right. The circuit diagram for turning left is similar to that shown for turning right.

Steering in Neutral Position

Circuit shows steering rotary valve in neutral position with the vehicle not moving.

1 Return fluid control groove
2 Radial groove
3 Feed fluid control groove
4 Radial groove
5 Axial groove
6 Feed fluid control edge
7 Feed fluid radial groove
8 Return fluid control edge
9 Return fluid chamber

10 Cut-off valve
11 Radial groove
12 Servotronic transducer
13 Feed fluid radial groove
14 Radial groove
15 Orifice
16 Balls
17 Compression spring

18 PAS fluid reservoir
19 Torsion bar
20 Valve rotor
21 Reaction piston
22 Reaction chamber
23 Centering piece
24 Pressure relief/flow limiting valve
25 PAS pump
26 Inner track rod
27 Pinion
28 Valve sleeve
29 Steering rack
30 Rack housing
31 Power assist cylinder – right
32 Piston
33 Power assist cylinder – left

M57 1184

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