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 90 First EditionFACTORY OEM SERVICE PROCEDURE
Automatic Transmission External Controls -- Defender/L663
- Automatic Transmission External Controls (G2423681)
- Specifications
- Description And Operation
- External Controls - Vehicles With: 8HP76 8-Speed Automatic Transmission, AWD (G2413248)
- External Controls - Vehicles With: 8HP45 8-Speed Automatic Transmission AWD (G2413249)
- External Controls - Vehicles With: 8HP70 8-Speed Automatic Transmission AWD (G2413250)
- External Controls - Vehicles With: 8P75XPH 8-Speed - PHEV - Automatic Transmission - AWD (G2748442)
- Diagnosis And Testing
- Repairs
- Removal And Installation
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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