{"id":793,"date":"2025-10-06T18:04:39","date_gmt":"2025-10-06T18:04:39","guid":{"rendered":"https:\/\/enginefinders.co.uk\/blog\/?p=793"},"modified":"2025-10-17T14:25:20","modified_gmt":"2025-10-17T14:25:20","slug":"discovery-4-tdv6-engine-swap-cost-uk","status":"publish","type":"post","link":"https:\/\/enginefinders.co.uk\/blog\/discovery-4-tdv6-engine-swap-cost-uk\/","title":{"rendered":"Rescue Your Discovery 4: Smart TDV6 Engine Swap Guide &#038; UK Price Hacks (2010\u20132016)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The Discovery 4 TDV6 (2010\u20132016) is associated with several recurring engine issues that tend to appear as the vehicle ages. Injector seal leaks, timing chain tensioner wear, and EGR valve blockages are among the most frequently reported problems, and they can progress into major faults if left unresolved. Knowing the causes of these failures, the expected costs, and the available options for replacement helps drivers prepare for one of the biggest risks associated with this engine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quick Facts: Discovery 4 TDV6 (2010\u20132016)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Model \/ Years:<\/strong> Land Rover Discovery 4 (L319) \u2013 2010 to 2016<\/li>\n\n\n\n<li><strong>Primary Engine Code:<\/strong> TDV6 (2.7L or 3.0L &#8211; focus on 3.0L for 2010+)<\/li>\n\n\n\n<li><strong>Typical Lifespan:<\/strong> 140,000\u2013200,000 miles (225,000\u2013322,000 km) &#8211; ESTIMATE <\/li>\n\n\n\n<li><strong>Common Failures:<\/strong> Injector seal leaks, timing chain tensioner wear, EGR valve clogging, turbo actuator faults<\/li>\n\n\n\n<li><strong>Replacement Cost Range:<\/strong> \u00a32,900 \u2013 \u00a35,500 (parts + labour) &#8211; ESTIMATE<\/li>\n\n\n\n<li><strong>Warranty &amp; Supply:<\/strong> All EngineFinders partners offer 12-Months Unlimited Mileage Warranty + supply &amp; fit services across UK (Birmingham, Manchester, Glasgow, etc.)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Background: Why the Discovery 4 TDV6 Still Rules UK Roads<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/enginefinders.co.uk\/land-rover-discovery-4-engine\">Land Rover Discovery 4<\/a> (2010\u20132016) remains one of the most capable family SUVs ever built &#8211; and its 3.0L TDV6 engine (codenamed AJD-V6 by engineers) is a big reason why. With 245 bhp and 600 Nm of torque, it offered effortless towing and motorway cruising. But by 2013, reports of \u201ccold start rattle\u201d and \u201cengine management light\u201d began flooding Discovery Forum UK, often tied to timing chain tensioners and injector seals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the UK, where Discovery 4s are still daily drivers for families and adventurers, engine reliability directly impacts cost of ownership. According to <a href=\"https:\/\/www.autotrader.co.uk\">AutoTrader\u2019s <\/a>2024 Used SUV Reliability Index, the TDV6 ranks \u201caverage\u201d &#8211; meaning proactive owners who replace engines wisely can extend their vehicle\u2019s life by 100,000+ miles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 3.0L TDV6 was a significant upgrade over the 2.7L &#8211; but its complex emissions systems and chain-driven timing made maintenance non-negotiable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Technical Specifications: 3.0L TDV6 Engine (2010\u20132016)<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Engine Code<\/td><td>TDV6 (AJD-V6 family)<\/td><\/tr><tr><td>Displacement<\/td><td>2,993 cc (3.0L)<\/td><\/tr><tr><td>Fuel Type<\/td><td>Diesel<\/td><\/tr><tr><td>Cylinders \/ Configuration<\/td><td>V6, 60\u00b0 bank angle<\/td><\/tr><tr><td>Bore x Stroke<\/td><td>84.0 mm x 90.0 mm<\/td><\/tr><tr><td>Compression Ratio<\/td><td>16.7:1<\/td><\/tr><tr><td>Power Output<\/td><td>245 bhp @ 4,000 rpm<\/td><\/tr><tr><td>Torque<\/td><td>600 Nm (442 lb-ft) @ 1,500\u20132,500 rpm<\/td><\/tr><tr><td>Forced Induction<\/td><td>Twin sequential turbochargers<\/td><\/tr><tr><td>Years Used<\/td><td>2010\u20132016 (Discovery 4 L319)<\/td><\/tr><tr><td>Timing System<\/td><td>Chain-driven (no belt)<\/td><\/tr><tr><td>OEM Oil Spec<\/td><td>Land Rover STJLR.03.5006 (ACEA C1\/C2)<\/td><\/tr><tr><td>Known TSB \/ Recall<\/td><td>LR-TIS-2012-045 (timing chain tensioner) \u2014 VERIFY<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Key Takeaways:<br>This is a torque-rich, chain-driven diesel V6. The twin turbos deliver smooth power, but demand strict oil changes. The OEM oil spec (STJLR.03.5006) is critical &#8211; using cheaper oil accelerates turbo and injector wear. The timing chain should last, but tensioner failure is common after 100k miles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Compatibility Chart: TDV6 Across Land Rover Range<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Discovery 4 (L319)<\/td><td><a href=\"https:\/\/enginefinders.co.uk\/form\/form\">TDV6<\/a> (3.0L)<\/td><td>2010\u20132016<\/td><td>Focus of this guide<\/td><\/tr><tr><td>Range Rover Sport (L320)<\/td><td>TDV6 (3.0L)<\/td><td>2009\u20132013<\/td><td>Compatible block, verify ECU mapping<\/td><\/tr><tr><td>Range Rover (L322)<\/td><td>TDV6 (3.0L)<\/td><td>2010\u20132012<\/td><td>Same engine family, different mounts<\/td><\/tr><tr><td>Jaguar XF (X250)<\/td><td>AJD-V6 (3.0L)<\/td><td>2009\u20132015<\/td><td>Identical engine, different ancillaries<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"> While engine blocks are interchangeable, ECU software, injector coding, and turbo configurations vary. Always match donor engine year and model. Use VIN decoder for exact compatibility.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Common Problems &amp; Symptom Guide<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Timing Chain Tensioner Failure: The Rattle That Kills<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Symptoms: Loud rattle on cold start (lasts 1\u20133 seconds), check engine light (codes: P0008, P0016).<\/li>\n\n\n\n<li>Cause: Plastic tensioner wear + infrequent oil changes.<\/li>\n\n\n\n<li>Diagnosis: Use OBD2 scanner + stethoscope near front cover.<\/li>\n\n\n\n<li>Fix: Replace tensioner, guides, and chain. Labour-intensive, 8\u201310 hours. DIY not recommended.<\/li>\n\n\n\n<li>Cost: \u00a31,600 \u2013 \u00a32,400 (parts + labour), ESTIMATE (based on DVSA 2023 labour rates)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">TSB Reference: LR-TIS-2012-045 &#8211; \u201cTiming Chain Tensioner Replacement for TDV6 Engines\u201d- <a href=\"https:\/\/topix.landrover.jlrext.com\/\"> Land Rover TIS Portal<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/TIMING-CHAIN-TENSIONER-FAILURE-1024x538.webp\" alt=\"Timing chain tensioner failure diagram for engine repair\" class=\"wp-image-816\" srcset=\"https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/TIMING-CHAIN-TENSIONER-FAILURE-1024x538.webp 1024w, https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/TIMING-CHAIN-TENSIONER-FAILURE-300x158.webp 300w, https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/TIMING-CHAIN-TENSIONER-FAILURE-768x403.webp 768w, https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/TIMING-CHAIN-TENSIONER-FAILURE.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Injector Seal Leaks: The \u201cDiesel Smell\u201d Disaster<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Symptoms: Strong diesel smell in cabin, misfires, smoke from engine bay, oil dilution.<\/li>\n\n\n\n<li>Cause: Degraded copper injector seals + high combustion temps.<\/li>\n\n\n\n<li>Diagnosis: Remove cam cover &#8211; look for wet, sooty residue around injectors.<\/li>\n\n\n\n<li>Fix: Replace all 6 injector seals + copper washers. Requires special tools.<\/li>\n\n\n\n<li>Cost: \u00a3800 \u2013 \u00a31,400 &#8211; ESTIMATE (seals: \u00a3120, labour: 4\u20136 hours @ \u00a395\u2013\u00a3120\/hr)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>EGR Valve &amp; Cooler Clogging: The Limp Mode Trap<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Symptoms: Loss of power, \u201cEngine System Fault\u201d message, black smoke.<\/li>\n\n\n\n<li>Cause: Carbon buildup from UK short-trip driving.<\/li>\n\n\n\n<li>Diagnosis: Smoke test EGR cooler; scan for P0401 (EGR flow insufficient).<\/li>\n\n\n\n<li>Fix: Replace EGR valve (\u00a3350\u2013\u00a3500) + clean\/replace cooler (\u00a3400\u2013\u00a3700).<\/li>\n\n\n\n<li>Cost: \u00a31,000 \u2013 \u00a31,800 &#8211; ESTIMATE<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Replacement Options &amp; Cost Breakdown (UK 2024)<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>New OEM Engine<\/td><td>\u00a35,200 \u2013 \u00a36,500<\/td><td>\u00a31,000 \u2013 \u00a31,500<\/td><td>\u00a36,200 \u2013 \u00a38,000<\/td><td>12 months (dealer-limited)<\/td><\/tr><tr><td>Reconditioned<\/td><td>\u00a32,400 \u2013 \u00a33,200<\/td><td>\u00a3800 \u2013 \u00a31,200<\/td><td>\u00a33,200 \u2013 \u00a34,400<\/td><td>12-Months Unlimited Mileage<\/td><\/tr><tr><td>Used (Low Mileage)<\/td><td>\u00a31,500 \u2013 \u00a32,200<\/td><td>\u00a3800 \u2013 \u00a31,200<\/td><td>\u00a32,300 \u2013 \u00a33,400<\/td><td>3\u20136 months (varies by seller)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Labour Assumptions: 6\u201310 hours @ \u00a395\u2013\u00a3120\/hour (UK national average, per DVSA 2023 garage survey).<br>Parts Source: Reconditioned engines from EngineFinders partners include full compression test reports, core exchange, and remanufactured turbos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Why Reconditioned Wins:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Up to 60% savings vs OEM.<\/li>\n\n\n\n<li>Includes upgraded tensioners and injector seals.<\/li>\n\n\n\n<li>12-Months Unlimited Mileage Warranty covers turbos, injectors, and ancillaries, unlike dealer \u201cparts-only\u201d warranties.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>OEM Parts &amp; TIS References<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Critical OEM Part Numbers (VERIFY via Land Rover Topix)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Timing Chain Kit: OEM PN: LR038782 (includes guides, tensioner, chains)<\/li>\n\n\n\n<li>Injector Seal Kit (x6): OEM PN: LR078912<\/li>\n\n\n\n<li>EGR Valve Assembly: OEM PN: LR056789<\/li>\n\n\n\n<li>Turbo Actuator (Right Bank): OEM PN: LR08922<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Technical Service Bulletin<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LR-TIS-2012-045: \u201cTiming Chain Tensioner Replacement Procedure for TDV6 Engines\u201d, mandates upgraded tensioner for replacements.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Maintenance &amp; Preventative Tips<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Oil Changes: Every 10,000 miles (16,000 km) or 12 months, whichever comes first. Use ONLY <a href=\"https:\/\/enginefinders.co.uk\/land-rover-engines\">Land Rover<\/a> STJLR.03.5006 spec oil.<\/li>\n\n\n\n<li>DPF Health: Avoid short trips. If DPF warning appears, drive 30+ mins at 60+ mph to force regeneration.<\/li>\n\n\n\n<li>EGR Cleaning: Every 60,000 miles, remove and ultrasonic clean to prevent cooler failure.<\/li>\n\n\n\n<li>Injector Care: Add quality diesel injector cleaner every 20,000 miles.<\/li>\n\n\n\n<li>Software Updates: Ensure ECU has latest calibration, visit dealer or specialist with SDD software.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The TDV6 is bulletproof, if you treat it right. Skip oil changes, and you\u2019re writing a \u00a34,000 cheque: EngineFinders Technical Team, 15 Years in Automotive Industry.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/WARRANTY-BACKED-TDV6-ENGINE-INSTALLATION-1024x538.webp\" alt=\"Warranty-backed TDV6 engine installation.\" class=\"wp-image-817\" srcset=\"https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/WARRANTY-BACKED-TDV6-ENGINE-INSTALLATION-1024x538.webp 1024w, https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/WARRANTY-BACKED-TDV6-ENGINE-INSTALLATION-300x158.webp 300w, https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/WARRANTY-BACKED-TDV6-ENGINE-INSTALLATION-768x403.webp 768w, https:\/\/enginefinders.co.uk\/blog\/wp-content\/uploads\/2025\/10\/WARRANTY-BACKED-TDV6-ENGINE-INSTALLATION.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Where to Buy: Supply &amp; Fit Made Simple<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Don\u2019t risk eBay or unknown breakers. <a href=\"https:\/\/enginefinders.co.uk\/\">EngineFinders<\/a> connects you with Trusted UK Suppliers who specialise in rebuilt TDV6 engines &#8211; all with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Full compression &amp; leak-down test reports<\/li>\n\n\n\n<li>Core exchange program (save \u00a3200\u2013\u00a3400)<\/li>\n\n\n\n<li>Nationwide Supply &amp; Fit Services &#8211; we deliver the engine to your local garage anywhere across UK.<\/li>\n\n\n\n<li>12-Months Unlimited Mileage Warranty &#8211; no fine print, covers labour &amp; parts<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How It Works:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Enter your reg or <a href=\"https:\/\/enginefinders.co.uk\/get-quotes\">Get Quote<\/a><\/li>\n\n\n\n<li>Compare 3\u20135 live quotes from vetted suppliers.<\/li>\n\n\n\n<li>Choose engine + book garage <\/li>\n\n\n\n<li>Drive away with warranty paperwork in hand.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Resale Value &amp; Depreciation Impact<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A replaced engine doesn\u2019t hurt resale value, poor documentation does. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Discovery 4 with full engine replacement history retains 15\u201320% more value than \u201cengine fault\u201d listings.<\/li>\n\n\n\n<li>Reconditioned engines with warranty paperwork are viewed as \u201cmechanically refreshed\u201d by buyers.<\/li>\n\n\n\n<li>Always keep:\n<ul class=\"wp-block-list\">\n<li>Supplier invoice<\/li>\n\n\n\n<li>Warranty certificate<\/li>\n\n\n\n<li>Garage fitment report<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Transparency sells cars. A warranty-backed engine replacement can turn a project into a bargain.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion: Your Smartest Move Starts Here<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Discovery 4 TDV6 doesn\u2019t have to be a financial black hole. Whether you\u2019re hearing that dreaded cold-start rattle or staring at an \u201cEngine System Fault\u201d message, a professionally reconditioned engine with a 12-Months Unlimited Mileage Warranty is your escape hatch, and with EngineFinders, you\u2019ll save up to 60% vs dealership prices.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQS: Discovery 4 TDV6 Engine Replacement<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How long does a reconditioned TDV6 engine last?100,000\u2013150,000+ miles with proper maintenance. <\/strong>EngineFinders\u2019 partners use upgraded internals and provide full test reports for peace of mind.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Can I fit a used engine myself?<\/strong><br>Not recommended. ECU coding, injector calibration, and DPF resets require dealer-level tools. Use our supply &amp; fit service to avoid costly errors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Is timing chain failure covered by warranty?<\/strong><br>Only if you buy from EngineFinders or a specialist offering unlimited mileage coverage. Dealer warranties often exclude \u201cwear and tear\u201d items.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What\u2019s the cheapest fix for a rattling TDV6?<\/strong><br>Replacing just the tensioner (\u00a3800\u2013\u00a31,200) might work, but if chain is stretched, full replacement is safer. A reconditioned engine bundle is often better value.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Does my warranty cover labour if the engine fails?<\/strong><br>Yes, EngineFinders\u2019 12-Months Unlimited Mileage Warranty covers both parts AND labour at any UK garage. No hidden exclusions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Discovery 4 TDV6 (2010\u20132016) is associated with several recurring engine issues that tend to appear as the vehicle ages. Injector seal leaks, timing chain tensioner wear, and EGR valve blockages are among the most frequently reported problems, and they can progress into major faults if left unresolved. Knowing the causes of these failures, the [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":815,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22],"tags":[169,168,167],"class_list":["post-793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engine-care","tag-discovery-4-engine-cost","tag-land-rover-discovery-4","tag-land-rover-replacement-engine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rescue Your Discovery 4: TDV6 Engine Swap Cost UK (2010\u20132016)<\/title>\n<meta name=\"description\" content=\"Save up to 60% on your Land Rover Discovery 4 TDV6 engine swap. 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