2012 JAGUAR XF AJ-V6D Gen III/AJ126 (X250)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Air suspension failures on higher mileage models
• Electrical gremlins related to instrument cluster and infotainment
• Timing chain tensioner noise on some petrol engines

First checks

• Inspect air suspension for leaks and compressor functionality
• Verify battery and complex electrical system health
• Check engine for timing chain noise or service records

Antes de cambiar piezas

• 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

• The XF 2012 model is part of the X250 generation produced 2007–2015 with various engines and markets.
• Diesel engines primarily offered in Europe and some international markets; petrol engines prevalent in US, Middle East, and Asia.
• Engine oil capacity quoted is for 5.0L supercharged V8 inclusive of filter, other engines vary slightly.