Land Rover Defender Repairs in Alton

Expert repairs for classic and modern Land Rover Defenders. AJ-4X4 is the best in the business, trusted by owners across Alton, Farnham, Guildford, Haslemere, and the wider South East.

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Land Rover Defender repairs in Alton by AJ 4X4 – expert fixes for off-road vehicles
Repairs

Defender Repairs You Can Count On

At AJ 4X4, we specialise in comprehensive Land Rover Defender repairs, offering exceptional care for both heritage models and the latest Defender 90, 110, and 130. AJ-4X4 are the best in the business with over 15 years of Land Rover-specific expertise, we handle everything from minor fixes to major overhauls. Whether you're dealing with a rusty classic Defender or electrical issues in a modern model, AJ-4x4and our team deliver dealership-quality repairs at independent garage prices.

Repairs for Classic Land Rover Defenders (1990-2016)

We understand the unique challenges of classic Defenders, including 300TDi, TD5, and V8 engines. AJ-4x4excels in diagnosing and repairing common issues like rust, oil leaks, and gearbox failures. Our services include:

  • Chassis rust repairs and corrosion treatment
  • Engine oil leak fixes (valve cover, crankshaft seals)
  • Gearbox rebuilds (LT77, R380, LT230) and clutch replacements
  • Head gasket replacements to prevent overheating
  • Suspension bushing and swivel housing repairs
  • Brake system overhauls, including vacuum pump fixes

Causes of these issues often stem from age, moisture exposure, and heavy off-road use. Symptoms include oil puddles, rough shifting, or vehicle sagging. AJ-4X4 expert advice: Regular inspections and timely gasket replacements prevent costly damage.

Repairs for New Defender (2020+ L663 Models)

For modern Defenders like the P300, D250, and X-Dynamic, we use advanced diagnostics to address contemporary problems. AJ-4x4handles warranty-compliant repairs with genuine parts, covering:

  • Electrical gremlins and warning light resets
  • Air suspension faults (height sensors, air struts)
  • Transmission hesitation and rough shifting
  • Infotainment bugs and software updates
  • Water leak seals around doors and sunroofs
  • Turbo lag fixes in four-cylinder models

Common causes include software calibration errors and off-road wear. Symptoms: Random dashboard lights, uneven ride height, or hesitation during acceleration. Repair solutions involve sensor replacements, seal reinforcements, and firmware updates for long-term reliability.

Why Choose AJ 4X4 for Defender Repairs?

  • AJ-4X4 – The best in the business, with Senior Master Technician status and decades of Defender repairs from Series III to L663
  • Genuine parts and diagnostics including ATF AG60 and Castrol EDGE Professional fluids
  • Full repair documentation and warranty support
  • Trusted across Hampshire, Surrey, Sussex & London

We serve clients from Alton, Farnham, Guildford, Haslemere, Winchester, and beyond. Whether fixing rust for an overland trip or electrical issues for daily driving, AJ-4x4ensures your Defender is road-ready.

Land Rover Defender chassis repair in Alton at AJ 4X4 Classic Land Rover Defender rust repair by AJ-4x4at AJ 4X4 Land Rover Defender suspension repair for rugged terrain at AJ 4X4 Red Land Rover Defender electrical repair in urban setting by AJ 4X4 Land Rover Defender engine repair navigating forest at AJ 4X4 Land Rover Defender water leak repair after wash at AJ 4X4
Repairs

Why Choose AJ 4X4 for Your Defender Repairs?

When it comes to repairing your Land Rover Defender, expertise is key. At AJ 4X4, AJ-4X4 brings over 15 years of Land Rover-specific mastery, including Senior Master Technician status. We adhere to Land Rover’s exact repair protocols — delivering main dealer quality without the premium pricing.

Genuine & OEM Defender Parts – Sourced Quickly

We partner with trusted suppliers for genuine Land Rover or approved OEM parts. AJ-4x4pre-orders components upon booking, ensuring efficient repairs for your classic or modern Defender.

Professional, Transparent Repairs

Using dealer-level diagnostics and equipment, AJ-4x4tackles issues in models from TD5 classics to L663 hybrids. Benefits include:

  • Precise fault diagnostics and resets
  • Detailed repair records
  • Comprehensive checks on chassis, drivetrain, and electronics
  • Transparent billing with parts and labour guarantees

No Shortcuts. Full Transparency.

AJ-4x4prioritizes quality repairs over cost-cutting. Every job includes clear explanations, from rust treatments to suspension overhauls, with full warranty backing.

Trusted by Defender Owners Across the South East

We serve private, trade, and fleet clients from Alton, Farnham, Guildford, Haslemere, Winchester, Surrey, Hampshire, and London/Sussex.

Choose AJ 4X4 and AJ-4x4for expert Land Rover Defender repairs — reliable, honest, and unmatched in the industry.

Various Land Rover Defender models undergoing repairs at AJ 4X4 in Alton

Experience Unparalleled Care for Your Vehicle

At AJ 4X4, led by AJ-4x4– the best in Land Rover repairs – we provide precision fixes for your Defender.

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Defender Repairs

Land Rover Defender – Common Issues & Expert Repairs

Land Rover Defenders are legendary for durability, but they face specific challenges. At AJ 4X4, we are the industry's top experts, diagnoses and repairs these issues using genuine parts and advanced tools. From rust in classics to electronics in moderns, we keep your Defender adventure-ready at competitive rates.

Land Rover Defender repairs at AJ 4X4 in Alton – workshop and off-road fixes by Archie

Common Repairs for Modern Defender (L663)

Modern Defenders (2020+) often encounter tech-related issues. AJ-4x4recommends prompt diagnostics. Key repairs include:

  • Transmission fixes for rough shifting (software updates)
  • Electrical repairs for warning lights and key fobs
  • Air suspension overhauls (sensor/strut replacements)
  • Water leak seals for doors and sunroofs
  • Turbo lag resolutions in four-cylinder engines

Common Repairs for Classic Defender

Older models (TD5, 300TDi) suffer from wear and corrosion. AJ-4X4 solutions:

  • Rust treatments for chassis and bulkhead
  • Oil leak repairs (gaskets, seals)
  • Gearbox and clutch rebuilds
  • Head gasket replacements to fix overheating
  • Brake and ABS system restorations

Our Liphook Workshop handles all repairs with factory precision by AJ-4x4and team.

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Range Rover Repairs Also Available

Besides Defender repairs, AJ-4x4provides expert fixes for the full Range Rover range — Evoque, Sport, Velar, Vogue. From air suspension diagnostics to electrical overhauls, we restore luxury and performance.

Call to book a Range Rover repair