2002 JAGUAR X-Type AJ25/2.5L V6 (X400)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Rust issues at wheel arches and sills
• Automatic transmission early wear
• V6 timing chain tensioner noise

First checks

• Inspect timing chain tensioner and guides on V6
• Check for oil leaks at front crank seal
• Inspect rear subframe bushings for wear

Avant de remplacer des pièces

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• The X-Type was Jaguar’s first compact executive car launched in 2001 for the 2002 model year, built on a Ford Mondeo-derived platform but with Jaguar engines and suspension tuning.
• Engine and transmission options vary significantly by market, with the 2.0L diesel mainly for Europe and the V6 petrol engines targeting UK, Europe, North America, and Australia.