The Ford 2.0L Eco Blue diesel engine, commonly referred to by its engine code YN2S, is used in the Ford Transit 2.0L and the 2.0L high-output Ford Ranger. This engine provides great performance and efficiency, but it is known for some widely-reported reliability problems, especially related to the wet timing belt and head gasket failures.
Common YN2S Engine Failures
One of the most frequent issues with the YN2S is timing belt failure. The belt runs internally in the engine, lubricated by engine oil. Over time, poor oil condition, incorrect servicing intervals or using the wrong oil specification can cause accelerated belt degradation. When the belt breaks, catastrophic top-end damage often follows.
The YN2S engine is also known for head gasket failure, particularly when overheating or belt failure occurs. If the engine loses timing, the pistons continue moving while the valves stop, resulting in piston-to-valve contact and significant damage.
Why Camshaft Damage is Common in the YN2S
Unlike older style engines, the camshafts in the YN2S cannot be removed from the cradle. The cam lobes are pressed onto the shaft. When the belt fails, the shock load transfers through the rockers and into the camshafts, causing them to shift and lose phase. Once this happens, the cam module cannot be repaired and must be replaced.
YN2S Assembled Head Kit including,
- Camshaft assembly
- Rockers and lifters
- OEM VRS Gasket Set including OEM Head Gasket
- Head bolts
All components are assembled in-house at ETP in Campbellfield, Victoria, and are kept in stock for fast dispatch.