Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Land Rover Defender 110FACTORY OEM SERVICE PROCEDURE
Automatic Transmission -- Defender/L663
- Automatic Transmission (G2391363)
- Specifications
- Lubricants 8P75XPH 8-Speed Transmission
- Lubricants ZF8HP70/45 8-Speed Transmissions
- Lubricants ZF8HP76 8-Speed Transmissions
- Torque Specifications - All variants
- Torque Specifications - Ingenium I4 2.0L Petrol, Ingenium I4 2.0L Petrol Plug-in Hybrid Electric Vehicle (PHEV), Ingenium I6 3.0L Petrol and Ingenium I6 3.0L Diesel
- Torque Specifications - Ingenium I4 2.0L Diesel
- Torque Specifications - Ingenium I4 2.0L Petrol, Ingenium I6 3.0L Petrol and Ingenium I6 3.0L Diesel
- Torque Specifications - Ingenium I4 2.0L Petrol PHEV
- Description And Operation
- Transmission Description - Vehicles With: 8HP76 8-Speed Automatic Transmission, AWD (G2391364)
- Transmission Description - Vehicles With: 8HP45 8-Speed Automatic Transmission AWD (G2413230)
- Transmission Description - Vehicles With: 8HP70 8-Speed Automatic Transmission AWD (G2413231)
- Transmission Description - Vehicles With: 8P75XPH 8-Speed - PHEV - Automatic Transmission - AWD (G2748430)
- Diagnosis And Testing
- Diagnostics - Vehicles With: 8HP45 8-Speed Automatic Transmission AWD (G2391365)
- Diagnostics - Vehicles With: 8HP70 8-Speed Automatic Transmission AWD (G2391366)
- Diagnostics - Vehicles With: 8HP76 8-Speed Automatic Transmission, AWD (G2413847)
- Transmission Oil Color Chart (G2743557)
- Diagnostics - Vehicles With: 8P75XPH 8-Speed - PHEV - Automatic Transmission - AWD (G2871760)
- General Procedures
- Removal And Installation
- Main Control Valve Body (G2391369)
- Torque Converter (G2391373)
- Selector Shaft Seal (G2391374)
- Input Shaft Oil Seal (G2414214)
- Output Shaft Seal - INGENIUM I4 2.0L Diesel/INGENIUM I4 2.0L Petrol/INGENIUM I6 3.0L Diesel/INGENIUM I6 3.0L Petrol/V8 S/C 5.0L Petrol (G2414215)
- Output Shaft Seal - INGENIUM I4 2.0L Petrol - PHEV (G2812099)
- Transmission Fluid Pan, Gasket And Filter - [+] MHEV/[+] Non-Electric Vehicles (G3209724)
- Transmission Fluid Pan, Gasket And Filter - [+] PHEV (G3208689)
- Removal
- Installation
- Specifications
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.