Ford Mondeo Mk3 (B5Y) — Reliability

Mk3 (B5Y) 2003–2007 1 engine

Reliability Summary

Engine Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) — 79/100 BUY
Known Issues 6

Engine in this model

BUY 79

Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA)

Duratec V6 2.5 / 3.0 (Mondeo Mk3, ST220)

Ford's all-alloy Duratec V6 in the Mondeo Mk3: 2.5 (170 hp) and 3.0 (ST220, 226 hp), with timing cha...

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Known Issues Across All Engines

Issue Engine Severity Onset
Engine failure after oil neglect (chain tensioners, bearings) Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) high 97,000 km
Cooling system leaks and overheating (water pump, radiator, expansion tank) Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) moderate —
Oil leaks (rear crankshaft seal, cam covers, sump) Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) moderate —
Fuel pump and tank strainer failure (tank must come out) Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) moderate 80,000 km – 161,000 km
Intake runner flaps (IMRC) stick Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) moderate —
Spark plugs and coils (misfires) Duratec V6 2.5 / 3.0 (LCBD, REBA, MEBA) minor —