2006 JAGUAR S-Type AJ25/AJ-V6 (X200)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• rear subframe corrosion (especially in wet climates)
• timing chain tensioner noise on V8
• electrical gremlins

First checks

• verify engine oil condition and level
• inspect timing chain tensioners (V8)
• check rear subframe for corrosion

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

• Engine and transmission fit varied by market; V6 more common globally, V8 typically in Europe and North America.
• 2006 was the last model year before the S-Type was discontinued in late 2007.