Discovery 4 3.0 TDV6 Crankshaft Failure: Causes, Symptoms & Engine Replacement

Close-up of a worn crankshaft from a Discovery 4 TDV6 engine, indicating failure.

The 3.0 TDV6 in the Discovery 4 was designed to deliver smoother performance and stronger towing capability than earlier versions, making it a popular choice for both family and utility use. Despite these strengths, many owners have encountered serious issues, most notably crankshaft bearing failure, along with EGR cooler and turbocharger problems. In many cases, […]