2002 JAGUAR XK AJ-V8-4.0L (X100)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Intake manifold runners cracking (early X100 V8s)
• Electric window regulators failure
• Cooling system leaks (hoses/water pump)

First checks

• Inspect timing chain condition and rattle
• Check for oil leaks from valve cover gaskets
• Test automatic transmission fluid condition

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

• 2002 was the second year of production for the Jaguar XK X100 generation, launched globally in late 1996 and continued through 2006.
• Engine and drivetrain configurations were broadly consistent globally, with minor regional emission controls.
• Oil capacity includes the filter and is recommended as a service fill volume.