2009 JAGUAR XJ AJ-V8 (X350/X358)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Air suspension compressor failures
• Dashboard instrument cluster electrical faults
• Timing chain tensioner noise in V8 engines

First checks

• Confirm air suspension functionality
• Check for oil leaks around timing chain cover
• Inspect cooling system and thermostat operation

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

• 2009 model is facelift of X350 launched in 2003, produced till 2009 with the X358 marking facelift changes including updated front and rear styling, improved electronics.
• Supercharged V8s marketed as XJR, naturally aspirated mostly XJ8 variants.