{"product_id":"tl4","title":"RENAULT TL4 125 6 SPEED","description":"\u003ch3\u003e\u003cstrong\u003eTL4 6-Speed Gearbox – Fully Reconditioned\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFully rebuilt\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTL4 6-speed manual gearbox\u003c\/strong\u003e, used across various\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRenault, Nissan, and Vauxhall\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evehicles. Designed for smooth, reliable performance in mid-size petrol and diesel models. Reconditioned with new bearings, synchros, seals, and thoroughly bench-tested. Backed by a 12-month warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRenault Trafic, Megane, Laguna, Scenic, Koleos\u003c\/strong\u003e\u003cbr\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNissan Primastar, Qashqai, X-Trail\u003c\/strong\u003e\u003cbr\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVauxhall Vivaro A (1.9, 2.0, 2.5 CDTi)\u003c\/strong\u003e\u003cbr\u003e \u003c\/li\u003e\n\u003cli\u003eTypically found in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.6L – 2.5L petrol \u0026amp; diesel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapplications\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGearbox Code:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTL4 – various ratio and bellhousing versions available\u003cbr\u003e\u003cem\u003ePlease confirm your gearbox code or VIN before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"396\" data-end=\"510\"\u003e\n\u003cp data-start=\"398\" data-end=\"510\"\u003e\u003cstrong data-start=\"398\" data-end=\"409\"\u003eTL4-014\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"511\" data-end=\"609\"\u003e\n\u003cp data-start=\"513\" data-end=\"609\"\u003e\u003cstrong data-start=\"513\" data-end=\"524\"\u003eTL4-039\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"610\" data-end=\"716\"\u003e\n\u003cp data-start=\"612\" data-end=\"716\"\u003e\u003cstrong data-start=\"612\" data-end=\"623\"\u003eTL4-056\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"717\" data-end=\"810\"\u003e\n\u003cp data-start=\"719\" data-end=\"810\"\u003e\u003cstrong data-start=\"719\" data-end=\"730\"\u003eTL4-079 \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"717\" data-end=\"810\"\u003e\n\u003cp data-start=\"719\" data-end=\"810\"\u003e\u003cstrong data-start=\"719\" data-end=\"730\"\u003e\u003c\/strong\u003e\u003cstrong data-start=\"813\" data-end=\"824\"\u003eTL4-356\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"941\" data-end=\"1042\"\u003e\n\u003cp data-start=\"943\" data-end=\"1042\"\u003e\u003cstrong data-start=\"943\" data-end=\"954\"\u003eTL4-375\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-start=\"266\" data-end=\"316\"\u003e\u003cstrong data-start=\"272\" data-end=\"316\"\u003e1. Premature wear \/ poor assembly issues\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"319\" data-end=\"559\"\u003eTL4 gearboxes have been reported with \u003cstrong data-start=\"357\" data-end=\"437\"\u003epoor build quality, underfilled oil, and case depressurization early in life\u003c\/strong\u003e, even at relatively low mileage — leading to premature wear of internal components. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"561\" data-end=\"564\"\u003e\n\u003ch2 data-start=\"566\" data-end=\"613\"\u003e\u003cstrong data-start=\"572\" data-end=\"613\"\u003e2. Synchromesh wear \/ crunching gears\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"616\" data-end=\"880\"\u003eMany owners report \u003cstrong data-start=\"635\" data-end=\"681\"\u003ecrunching when shifting into certain gears\u003c\/strong\u003e (especially 3rd or 4th), often linked to \u003cstrong data-start=\"723\" data-end=\"739\"\u003esynchro wear\u003c\/strong\u003e inside the TL4. This symptom appears even on relatively low-mileage units according to forum accounts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"882\" data-end=\"885\"\u003e\n\u003ch2 data-start=\"887\" data-end=\"931\"\u003e\u003cstrong data-start=\"893\" data-end=\"931\"\u003e3. Bearing wear \/ need for rebuild\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"934\" data-end=\"1163\"\u003eBearings inside the TL4 are a known wear item (and there are aftermarket \u003cstrong data-start=\"1007\" data-end=\"1042\"\u003ebearing \u0026amp; oil seal rebuild kits\u003c\/strong\u003e available), suggesting that \u003cstrong data-start=\"1071\" data-end=\"1124\"\u003ebearings and seals often fail or wear prematurely\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1165\" data-end=\"1168\"\u003e\n\u003ch2 data-start=\"1170\" data-end=\"1229\"\u003e\u003cstrong data-start=\"1176\" data-end=\"1229\"\u003e4. Internal selector components and related parts\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1232\" data-end=\"1454\"\u003eWhile less documented in formal bulletins, enthusiast discussions indicate internal parts like the \u003cstrong data-start=\"1331\" data-end=\"1366\"\u003eselector parts, sleeves or dogs\u003c\/strong\u003e may wear or break, requiring teardown and repair. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1456\" data-end=\"1459\"\u003e\n\u003ch2 data-start=\"1461\" data-end=\"1515\"\u003e\u003cstrong data-start=\"1467\" data-end=\"1515\"\u003e5. Need for proper lubrication \/ maintenance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1518\" data-end=\"1752\"\u003eThe TL4 can suffer accelerated wear if \u003cstrong data-start=\"1557\" data-end=\"1589\"\u003egearbox oil is never changed\u003c\/strong\u003e — despite manufacturer claims of “lifetime oil.” Some owners recommend regular oil changes to protect synchros and bearings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1754\" data-end=\"1757\"\u003e\n\u003ch2 data-start=\"1759\" data-end=\"1798\"\u003e\u003cstrong data-start=\"1765\" data-end=\"1798\"\u003e6. Operator \/ usage influence\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1801\" data-end=\"1961\"\u003eMultiple owners mention that \u003cstrong data-start=\"1830\" data-end=\"1877\"\u003erough or high-RPM shifting accelerates wear\u003c\/strong\u003e, especially on higher-revving petrol engines.\u003c\/p\u003e","brand":"The Gearbox Centre","offers":[{"title":"Default Title","offer_id":55896445485382,"sku":null,"price":662.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/8792\/7110\/files\/Screenshot_2026-01-29_160316.png?v=1769702630","url":"https:\/\/the-gearbox-centre.myshopify.com\/products\/tl4","provider":"The Gearbox Centre","version":"1.0","type":"link"}