Description
Factory Land Rover Defender L663 Workshop Manual (2020-2023)
This OEM-level repair manual delivers complete service coverage for the second-generation Land Rover Defender L663 sold in the US market from 2020 through 2023, spanning the Defender 90 and Defender 110 body configurations across all trim grades.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | P300 2.0L turbocharged 4-cyl (AJ200); P400 3.0L inline-6 mild hybrid (AJ300); P525 5.0L supercharged V8 (AJ133) |
| Petrol PHEV | P400e 2.0L plug-in hybrid |
| Diesel | D200, D250, D300 – all 3.0L inline-6 turbodiesel (AJ300D) |
| Transmissions | ZF 8HP 8-speed automatic |
| Drive | AWD with 2-speed transfer case |
| Model Years | 2020, 2021, 2022, 2023 |
| Badge Twins | N/A |
Common Defender Repairs Covered
| System | Procedures |
|---|---|
| Air Suspension | Compressor replacement, air spring leak diagnosis, height sensor calibration – a frequent warranty and out-of-warranty concern on L663 models |
| Terrain Response 2 / Transfer Case | Low-range engagement faults, module resets, actuator testing and replacement |
| 3.0L Diesel (AJ300D) Timing & EGR | Timing chain tensioner inspection, EGR cooler cleaning and replacement, DPF regeneration procedures |
| Electrical / CAN Bus | Wiring diagrams, module programming, fault code interpretation, connector pinout references for all networks |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Why does my L663 Defender air suspension keep faulting, and does this manual cover the fix?
Air suspension faults – including compressor failures, sagging corners, and height sensor errors – are among the most reported issues on the 2020-2023 L663. This manual includes full air suspension diagnostics, compressor replacement steps, air spring procedures, and height sensor calibration sequences to address these problems at home or in the shop.
Does this manual cover both the Defender 90 and Defender 110?
Yes. Both the short-wheelbase Defender 90 and the standard-wheelbase Defender 110 are fully documented. Body-specific procedures – including roof, door, and chassis differences – are called out where applicable throughout the manual.
Is the P400e plug-in hybrid system covered in detail?
Yes. The P400e PHEV powertrain section covers the 2.0L turbocharged petrol engine paired with the integrated electric motor, high-voltage battery pack, charging system, and hybrid control module diagnostics – including safety precautions for working on high-voltage components.
What format is the manual?
The manual is delivered as a PDF file, fully searchable and compatible with Windows, Mac, iOS, Android, and any tablet or smartphone. Individual pages or entire sections can be printed for bench use. Access is instant upon purchase, with lifetime re-download rights included.
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