Workshop Manuals Factory service & repair Land Rover
01 Discovery Series II - Workshop Manual - 1999MY ON - 6th Edition - NAS02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 INTRODUCTION32 33 GENERAL INFORMATION34 35 GENERAL DATA36 IDENTIFICATION NUMBERS37 38 TORQUE WRENCH SETTINGS39 40 LIFTING AND TOWING41 CAPACITIES, FLUIDS, LUBRICANTS AND SEALANTS42 43 44 MAINTENANCE45 46 ENGINE - V847 48 EMISSION CONTROL - V849 50 ENGINE MANAGEMENT SYSTEM - V851 FUEL DELIVERY SYSTEM - V852 53 COOLING SYSTEM - V854 55 MANIFOLDS AND EXHAUST SYSTEMS - V856 57 58 59 CLUTCH - V860 61 MANUAL GEARBOX - R38062 63 TRANSFER BOX - LT230SE64 65 66 AUTOMATIC GEARBOX - ZF4HP22 - 2467 PROPELLER SHAFTS68 69 REAR AXLE70 71 72 73 74 75 FRONT AXLE76 77 78 79 STEERING80 FRONT SUSPENSION81 82 83 REAR SUSPENSION84 85 86 87 BRAKES88 RESTRAINT SYSTEMS89 90 DOORS91 EXTERIOR FITTINGS92 93 INTERIOR TRIM COMPONENTS94 SCREENS95 96 97 SEATS98 99 SUNROOF100 CHASSIS AND BODY DIMENSIONS101 102 103 104 PANEL REPAIRS105 106 107 108 BODY SEALING MATERIALS109 110 111 112 113 CORROSION PREVENTION AND SEALING114 PAINTING115 HEATING AND VENTILATION116 117 AIR CONDITIONING118 119 WIPERS AND WASHERS120 CHARGING AND STARTING121 122 LIGHTING123 BODY CONTROL UNIT124 125 126 ALARM SYSTEM AND HORN127 128 WINDOWS129 IN CAR ENTERTAINMENT130 HARNESSES131 DRIVING AIDS132 NAVIGATION SYSTEM133 INSTRUMENTS
Land Rover Discovery II83 · REAR SUSPENSION
83 · Steering & suspension

Description - SLS (REAR SUSPENSION) (page 2 of 9)

Make
Land Rover
Model
Discovery II
Section
DESCRIPTION AND OPERATION
REAR SUSPENSIONDescription - SLS · page 2 of 9
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REAR SUSPENSION

DESCRIPTION AND OPERATION

64-13

Air supply unit

1 Compressor electrical connector
2 Electric motor
3 Air intake hose
4 Compressor
5 Air dryer
6 Pressure limiting valve
7 Exhaust hose
8 Exhaust valve electrical connector 

(black harness connector)

9 Exhaust valve

10 LH air valve electrical connector 

(blue harness connector)

11 LH air valve
12 LH air spring supply pipe
13 Air supply/exhaust pipe
14 RH air spring supply pipe
15 RH air valve
16 RH air valve electrical connector 

(natural harness connector)

17 Housing

The air supply unit is located in a central position on the outside of the left hand chassis longitudinal. The unit is 
contained in a plastic housing attached to the chassis. The housing has a removable lid which is secured with Dzus 
fasteners for access to the unit.

The air supply unit comprises a 12 V electric motor, a compressor and air dryer unit, a pressure limiting valve, an 
exhaust valve and two air supply control valves. The exhaust and control valves are solenoid operated responding to 
signals from the SLABS ECU. The electric motor, compressor, air dryer and pressure limiting and exhaust valve are 
mounted on flexible rubber mountings to reduce operating noise.

The electric motor drives a crank with an eccentric pin to which a connecting rod is attached. The connecting rod has 
a piston which fits in the bore of the compressor. Operation of the motor rotates the crank, moving the piston in the 
bore of the compressor.

Parts & tools for this job Staging For Land Rover Discovery

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