Land Rover   ·   1999–2002

Range Rover 4: Common faults & known problems

Common faults & known problems (1999–2002)

11 known faults documented in workshop bulletins. Of these, three concern the air conditioning and heating and two the electrical and ignition. Each entry covers the symptoms, cause, workshop fix and any part numbers.

11 documented faults

Engine & fuel system

1 documented fault — symptoms, causes and workshop fixes.

Poor throttle response.

Fit modified part4 parts
Affects:

Range Rover with cruise control, →1998MY, →VIN WA 410481.

Accelerator cable adjuster lost or slipping.

Workshop instructions & parts4 parts

Workshop procedure

  1. Fit modified accelerator cable assembly.
Parts listed in the bulletin
PartPart numberQty
Cable - Range Rover RHDSSB1040401
Cable - Range Rover LHDSSB1040501
Cable - Discovery RHDSSB1043001
Cable - Discovery LHDANR53271

Data: Motorwise Workshop. Bulletin 2.

Electrical & ignition

2 documented faults — symptoms, causes and workshop fixes.

Alarm/immobilizer will not disarm when using remote control.

Affects:

All models.

Loss of communication between key remote control and control module.

Workshop instructions

Workshop procedure

  1. Re-synchronize key remote controls.

Data: Motorwise Workshop. Bulletin 7.

Battery discharged.

Affects:

All models.

Multifunction control module does not switch to sleep mode after alarm set.

Workshop instructions

Workshop procedure

  1. Check multifunction control module and replace as necessary.

Data: Motorwise Workshop. Bulletin 8.

Suspension & drivetrain

1 documented fault — symptoms, causes and workshop fixes.

Active height control suspension does not operate or rises slowly.

Affects:

All models.

Faulty suspension adjustment main valve block. Faulty suspension compressor pump.

Workshop instructions

Workshop procedure

  1. Inspect suspension adjustment main valve block. Repair/replace component as necessary.
  2. Replace suspension compressor pump if necessary.

Data: Motorwise Workshop. Bulletin 5.

Clutch & gearbox

1 documented fault — symptoms, causes and workshop fixes.

Poor performance or failure of AC system.

Affects:

All models.

Outside air temperature sensor faulty. AC refrigerant pressure switch faulty. AC compressor clutch sticking intermittently.

Workshop instructions

Workshop procedure

  1. Check outside air temperature sensor and replace as necessary.
  2. Check AC refrigerant pressure switch and replace as necessary.
  3. Check AC compressor clutch and replace as necessary.

Data: Motorwise Workshop. Bulletin 10.

Air conditioning & heating

3 documented faults — symptoms, causes and workshop fixes.

In-car temperature too hot in cold conditions and too cold in hot conditions.

Fit new part1 part
Affects:

All models with automatic climate control, 1996MY →VIN 1A 450120.

In-car temperature sensor blower is sluggish or seized.

Workshop instructions & parts1 part

Workshop procedure

  1. Fit new in-car temperature sensor (blower incorporated).
Parts listed in the bulletin
PartPart numberQty
In-car temperature sensorJTF0000301

Data: Motorwise Workshop. Bulletin 1.

Unable to select temperature settings.

Affects:

All models.

What you'd notice

Unable to select air direction settings.

The repair

AC control module fault. AC/heater air mix flap motor(s) faulty.

Workshop instructions

Workshop procedure

  1. Check AC control module and replace as necessary.
  2. Check AC/heater air mix flap motor(s) and replace as necessary.

Data: Motorwise Workshop. Bulletin 9.

Coolant loss.

Affects:

All models with petrol engines.

What you'd notice

Engine overheating.

The repair

Cylinder head gasket leaking. Inlet manifold gasket damaged. Heater matrix seals leaking.

Workshop instructions

Workshop procedure

  1. Pressure test cooling system.
  2. Check for leaks.
  3. Replace cylinder head gasket as necessary.
  4. Replace inlet manifold gasket as necessary.
  5. Replace heater matrix seals as necessary.

Data: Motorwise Workshop. Bulletin 11.

Wipers & visibility

1 documented fault — symptoms, causes and workshop fixes.

Wind noise from windscreen area whilst driving at high speed.

Affects:

All models.

Distortion of windscreen trim.

Workshop instructions

Workshop procedure

  1. Replace trim at top of windscreen.

Data: Motorwise Workshop. Bulletin 6.

Other

2 documented faults — symptoms, causes and workshop fixes.

Alloy wheels difficult to remove.

1 part
Affects:

All models with alloy wheels, →03/01.

Corrosion between hub spigot and wheel centre.

Workshop instructions & parts1 part

Workshop procedure

  1. Clean corrosion from wheel contact surfaces.
  2. Apply anti-seize grease to wheel contact surfaces.
Parts listed in the bulletin
PartPart numberQty
Anti-seize greaseRYL105020L1

Data: Motorwise Workshop. Bulletin 3.

Water ingress into front footwells.

Affects:

All models.

AC evaporator drain tubes blocked.

Workshop instructions

Workshop procedure

  1. Check AC evaporator drain tubes for blockage, clean as necessary.

Data: Motorwise Workshop. Bulletin 4.

Take it with you

Before you view one

Each documented fault as a quick check for a viewing or test drive — tick them off as you go.

  • 01 ↗
  • 02 ↗
  • 03 ↗
  • 04 ↗
  • 05 ↗
  • 06 ↗
  • 07 ↗
  • 08 ↗
  • 09 ↗
  • 10 ↗
  • 11 ↗

A little workshop vocabulary

Workshop terms used on this page

Definitions for the technical language used in these bulletins.

VIN
Vehicle identification number — 17 characters, found at the base of the windscreen and on the V5C logbook
AC
Air conditioning — the system that cools the cabin
AC/Heater
The heating and air-conditioning system
Anti-Seize
Grease that stops mating parts (like a wheel on a hub) from corroding together
Compressor Pump
The pump that pressurises the air-suspension system
Control Module
A computer that runs one of the car's systems (engine, gearbox, brakes, body, and so on)
Heater Matrix
The small radiator behind the dashboard that provides cabin heat
Hub Spigot
The raised centre of the hub that locates the wheel
In-Car Temperature
The cabin-temperature sensor used by the climate control
Inlet Manifold
The housing that distributes air into the cylinders
Multifunction Control Module
The body computer that runs shared electrical functions (lights, wipers, locking, and so on)
Refrigerant
The gas/liquid that carries heat in the air-conditioning system
Valve Block
The set of solenoid valves that directs air or fluid in the air-suspension or gearbox
Evaporator
The air-conditioning heat exchanger in the dashboard that cools the cabin air
Head Gasket
The seal between the cylinder head and the engine block
Sleep Mode
The low-power state control modules enter when the car is parked; if one stays awake the battery can go flat

Common questions

Using this guide.

What are the common faults with the Land Rover Range Rover 4?

Garages and workshops regularly encounter 11 documented faults on the Land Rover Range Rover 4 — three concern the air conditioning and heating and two the electrical and ignition. Each fault above lists the symptoms, cause, fix and any parts needed.

Does every Land Rover Range Rover 4 have these faults?

No. These are patterns documented across the model by workshops, not predictions for an individual car. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.

Can I check for Land Rover Range Rover 4 faults when viewing one?

Many of them, yes — the documented symptoms are things you can see, hear or feel on a viewing or test drive. The 'Before you view one' checklist above turns each documented fault into a quick check you can tick off as you go.

Workshop term

See in the glossary →