2007 JAGUAR X-Type AJ25S/AJ25L (X400)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain tensioner wear
• Cooling system leaks
• Dashboard cluster electrical issues

First checks

• Inspect timing chain and guides
• Check coolant hoses and water pump
• Verify condition of transmission fluid

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

• Market availability influenced engine options; 3.0L petrol mainly UK and Europe, 2.5L more common in North America.
• Diesel engine variants limited to Europe mostly; not available in US or Australian markets.