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Lower control arm (Discovery 3)

 
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        0  
Lower control arm


Item nameSpare part catalog numberDescription
1-Self-locking nut
2-Flat washer
3-Eccentric washer
4-Sleeve
5-Special bolt
6-Bolt
7-Hydraulic bushing
8-Eccentric washer
9-Flat washer
10-Self-locking nut
11-Self-locking nut - lower shock absorber mount
12-Ball joint
13-Retaining ring
14-Self-locking nut
15-Lower control arm
16-Bolt - lower shock absorber mount
17-Bracket for jack (only for cars with spring suspension)


The lower control arm assembly includes the control arm, two bushings and a ball joint. The lower control arm is made of stamped steel and has a hole at the outer end for the ball joint.

At the inner end of the lever there are two bushing holders welded to the lever. A bushing is pressed into each holder. The rear bushing is a hydraulic bushing. It provides a gradual increase in rigidity with increasing wheel deflection. The bushings are located between the lugs on the chassis and are secured with bolts and self-locking nuts through metal inserts in the center of the bushings. There is also an eccentric washer under the self-locking nut of the front bushing. Changing the position of the eccentric washer between the two lugs on the chassis bracket allows you to adjust the camber angle of the front wheels. There is also an eccentric washer under the self-locking nut of the rear bushing. Changing the position of the eccentric washer between the two lugs on the chassis bracket allows you to adjust the longitudinal inclination of the steering axis of the front wheels.



The jack bracket on the lower control arm is only present on vehicles with coil spring suspension.

The article is based on information from the website LRMAN.ru

The central hole of the lever is intended for fastening the lower bushing of the shock absorber module. A long bolt with a self-locking nut, passing through the holes in the lever, serves to fasten the shock absorber.

The ball joint is pressed into the lower control arm. The ball joint is fixed in a hole that prevents it from moving. A retaining ring holds the ball joint in the hole.


This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Article review: Saveliy Ushakov


 

Previous articles
Front Suspension Specification
Shock absorber assembly with spring
Upper arm
Upper arm bushing
Lower arm bushing
Wheel bearing and front wheel hub
Wheel cam
Lower arm

Current article
Lower control arm

Next articles
Wheel knuckle, hub and bearing assembly
Upper arm ball joint
Lower arm ball joint

 
 

Similar articles from Land Rover repair manuals:
• Front lower control arm Freelander 2 (2006-2014)
• Lower control arm assembly — removal and installation Freelander 1 (1997-2006)
• Lower control arm ball joints Range Rover 3 (2001-2012)
• Remote control battery Defender 2007+ (2007-2016)

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Discovery 3 
  • General information
  • Using the manual
  • Precautionary measures
  • Service Information
  • Technique
  • Health protection
  • Road test
  • Identification codes
  • Jacking and lifting
  • Maintenance - diesel
  • Maintenance - petrol
  • Chassis
  • Suspension
  • Front suspension
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  • Cardan shaft
  • Rear drive axle
  • Front drive axle
  • Front axle axles
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  • Brake system
  • Parking brake
  • Hydraulic brake
  • Vacuum brake booster
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  • Power unit
  • Petrol engine 4.0L
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  • Engine cooling
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  • Transfer case
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  • Body repairs
  • Repair of front end elements
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  • Side panel repair
  • Frame and body mount

Discovery 1 
  • General information
  • Technical specifications
  • Introduction to manual
  • Troubleshooting
  • Power unit
  • Diesel engine Tdi
  • Petrol engine V8i (3.9 l)
  • Petrol engine V8i (4.0 l)
  • Petrol engine Mpi
  • Reducing harmful emissions
  • Fuel system Tdi
  • Fuel system MFi
  • Fuel system SFi
  • Fuel system MPi (MEMS)
  • Cruise control
  • Cooling system (Tdi)
  • Cooling system (V8i)
  • Cooling system (MPi)
  • Exhaust system
  • Transmission
  • Clutch
  • Manual gearbox R380
  • Manual gearbox LT 77
  • Transfer case LT230T
  • Automatic gearbox
  • Cardan shaft
  • Rear axle
  • Front axle
  • Chassis
  • Steering system
  • Front suspension
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  • Brake system
  • Wheels and tires
  • Body and interior
  • Passive safety
  • Doors, locks and windows
  • Exterior body parts
  • Interior trim details
  • Seats
  • Electrical equipment
  • Heating and ventilation
  • Air conditioning
  • Windscreen wipers
  • Starting and charging system
  • Equipment and devices
  • Lighting and headlights


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