AJ20-D6 Idler Pulley Clash
- Defect
- A concern has been identified on certain AJ20-D6 engines where the Front End Auxiliary Drive (FEAD) belt idler pulley may over-rotate following a high torsion input and lead to a clash with and damage to the oil pressure and temperature sensor. A damaged oil pressure and temperature sensor can lead to an oil leak from the engine which can result in a slip hazard for following road users particularly two-wheeled vehicles.
- Remedy
- Vehicles will have the Front-End Auxiliary Drive (FEAD) idler pulley replaced.
- Vehicles affected
- 11,526 Discovery vehicles
- Built
- 3 Jul 2024 to 17 Apr 2026