1998 JAGUAR XJ8 AJ16-4.0S (X308)
X308 / Sedan / Global (Europe, North America, Australia, Asia)
AJ16-4.0SExact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Timing chain tensioner wear causing rattle
- Ignition coil pack failures
- Cooling system hose aging
First checks
- Inspect timing chains and tensioners
- Check cooling system for leaks
- Confirm condition of ignition coils
Before replacing parts
- 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
- 1998 XJ8 (X308) was the first full production year after late 1997 launch
- Engine and specs may vary slightly by emission regulations and market; to confirm for specific country