Common Range Rover Sport automatic transmission faults:
1. Hard gear shifting:
* Wear of clutches or steel discs
* Automatic transmission oil contamination
* Faulty gear shift solenoids
2. Slipping when changing gears:
* Wear of friction clutches
* Low automatic transmission oil level
* Oil pump malfunction
3. Jerks and jolts when changing gears:
* Worn or faulty torque converters
* Malfunction of automatic transmission control valve
* Clogged automatic transmission valve body
4. Automatic transmission emergency mode:
* Malfunction of the automatic transmission electronic control unit
*Wiring problems
* Low oil pressure in automatic transmission
5. Oil leak from automatic transmission:
* Faulty seals or gaskets
* Damage to oil pipes or automatic transmission cooling radiator
6. Extraneous noise in automatic transmission:
* Wear of bearings or gears
* Low automatic transmission oil level
* Oil pump malfunction
7. Gear delay:
* Faulty gear shift solenoids
*Wiring problems
* Clogged automatic transmission valve body
8. Complete absence of gear shifting:
* Malfunction of automatic transmission control valve
* Malfunction of the automatic transmission electronic control unit
*Wiring problems
Possible reasons:
* Natural wear and tear resulting from use
* Inadequate maintenance (for example, late replacement of automatic transmission oil and filter)
* Aggressive driving
* Severe operating conditions (towing, off-road driving)