We've identified 4 known issues that can affect the 2004 Land Rover Defender (Classic L316). 2 of these are serious faults that could be expensive to repair.
The steel chassis and bulkhead rot from the inside out, often hidden by underseal or carpet.
Visible rust holes, Moisture under carpets, MOT failure
Oil seeps along the injector wiring harness into the ECU red plug, causing rough running, misfires, and potential ECU damage.
Rough idle, Misfires, Hard starting, Engine management light
Worn valve cover gaskets, oil pan gaskets, and crankshaft seals cause persistent oil leaks. The rear main seal is particularly prone on later Puma models.
Oil puddles under vehicle, Burning oil smell, Low oil level warnings
Corroded bulkhead earthing points and deteriorating wiring harnesses cause intermittent electrical faults including flickering lights, false warnings, and central locking failures.
Flickering headlights, Random warning lights, Intermittent central locking, Inconsistent gauge readings