2003 ROVER 751.8L Petrol

The plenum chamber below the windscreen has small drain holes that block with leaves. Water then rises and submerges the engine ECU.

The slave cylinder is located inside the gearbox bellhousing (concentric slave). When it leaks, the gearbox must be removed to replace it.

The 2.0 and 2.5 V6 engines use "Variable Intake System" motors. The internal plastic cogs or the motors themselves fail.

The thermostat housing sits in the "V" of the engine and is made of plastic. It becomes brittle and cracks, leaking coolant invisibly.