Question 1

What is TD5 Head Gasket Failure on the Land Rover Discovery 2 (L318)?

Accepted Answer

Early TD5 engines used plastic dowels to locate the cylinder head, which can break and allow the head to shift, causing gasket failure. Metal dowels are the fix.

Question 2

What is TD5 Injector Harness Oil Migration on the Land Rover Discovery 2 (L318)?

Accepted Answer

Oil seeps along the injector wiring harness into the ECU red plug connector, causing rough running, misfires and potential ECU damage.

Question 3

What is Air Suspension and ACE System Failures on the Land Rover Discovery 2 (L318)?

Accepted Answer

Self-levelling suspension (SLS) air bags perish and compressors fail. The ACE system leaks from corroded pipes, causing handling issues and expensive repairs.

Question 4

What is Three Amigos (ABS/TC/ HDC Warnings) on the Land Rover Discovery 2 (L318)?

Accepted Answer

The ABS, Traction Control, and Hill Descent Control warning lights illuminate together. Usually caused by ABS sensor failures but can indicate more expensive 4WD system issues.

Question 5

What should I check when buying a used Land Rover Discovery 2 (L318)?

Accepted Answer

On TD5 models, check for oil in the injector wiring loom - a very common and cheap fix if caught early

Question 6

What should I check when buying a used Land Rover Discovery 2 (L318)?

Accepted Answer

The head gasket is a known failure on early TD5s with plastic dowels; look for metal dowel replacements

Question 7

What should I check when buying a used Land Rover Discovery 2 (L318)?

Accepted Answer

ACE (Active Cornering Enhancement) pipes leak and are expensive; some owners delete the system entirely

Question 8

What years was the Land Rover Discovery 2 (L318) made?

Accepted Answer

The Land Rover Discovery 2 (L318) was produced from 1998 to 2004.

Land Rover Discovery 2 (L318)

Discovery 2 (L318) Reliability & Common Faults

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