Land Rover   ·   2017–2018

Discovery 3 Si6: Common faults & known problems

Common faults & known problems (2017–2018)

4 known faults documented in workshop bulletins. Of these, two concern the body and trim and one the air conditioning and heating. Each entry covers the symptoms, cause, workshop fix and any part numbers.

4 documented faults

Air conditioning & heating

1 documented fault — symptoms, causes and workshop fixes.

Abnormal noise from fascia for approximately 7seconds when automatic defrost function selected.

Affects:

All models.

Incorrect AC/heater control module characteristics due to software mapping fault.

Workshop instructions

Workshop procedure

  1. Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
  2. If no fault(s) found: Re-program AC/heater control module with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.

Data: Motorwise Workshop. Bulletin 4.

Body & trim

2 documented faults — symptoms, causes and workshop fixes.

Tailgate difficult to open.

2 parts
Affects:

All models.

What you'd notice

Damage to tailgate aperture trim panel due to contact with tailgate. Damage to tailgate paintwork due to contact with tailgate trim panel.

The repair

Tailgate misaligned.

Workshop instructions & parts2 parts

Workshop procedure

  1. Check and adjust alignment of tailgate.
  2. Check tailgate aperture trim panels for damage and replace as necessary Fig.1252817.1 .
  3. Repair tailgate paintwork damage if necessary.
  4. View View more information
Parts listed in the bulletin
PartPart numberQty
Tailgate aperture trim panel (LH)LR0829491
Tailgate aperture trim panel (RH)LR0829481

Data: Motorwise Workshop. Bulletin 2.

Unable to release bonnet.

Fit new part1 part
Affects:

All models.

Bonnet release cable stretched.

Workshop instructions & parts1 part

Workshop procedure

  1. Fit new bonnet release cable.
  2. Check bonnet release lever travel Fig.1267092.1 .
  3. Bonnet release lever travel should not exceed 120 mm.
  4. View View more information
Parts listed in the bulletin
PartPart numberQty
Bonnet release cableLR1218171

Data: Motorwise Workshop. Bulletin 3.

Wipers & visibility

1 documented fault — symptoms, causes and workshop fixes.

Windscreen wipers intermittent operation or not working.

1 part
Affects:

All models, 2012→.

What you'd notice

Indicators intermittent operation or not working.

The repair

Poor electrical connection between switch assembly and harness multi-plug.

Workshop instructions & parts1 part

Workshop procedure

  1. Remove windscreen wiper switch.
  2. Clean windscreen wiper switch harness multi-plug terminals Fig.1217605.1 .
  3. Lightly coat terminals with grease Fig.1217605.1 . Use specified grease.
  4. Refit windscreen wiper switch.
  5. Repeat procedure for indicator switch.
Parts listed in the bulletin
PartPart numberQty
Electrical contact grease (Nyogel)LR0546141

Data: Motorwise Workshop. Bulletin 1.

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 ↗

A little workshop vocabulary

Workshop terms used on this page

Definitions for the technical language used in these bulletins.

AC/Heater
The heating and air-conditioning system
Control Module
A computer that runs one of the car's systems (engine, gearbox, brakes, body, and so on)
Multi-Plug
A multi-pin electrical connector on a wiring harness
Re-Program
Update the software on a control module using the manufacturer's diagnostic tool

Common questions

Using this guide.

What are the common faults with the Land Rover Discovery 3 Si6?

Garages and workshops regularly encounter four documented faults on the Land Rover Discovery 3 Si6 — two concern the body and trim and one the air conditioning and heating. Each fault above lists the symptoms, cause, fix and any parts needed.

Does every Land Rover Discovery 3 Si6 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 Discovery 3 Si6 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 →