{"product_id":"lisle-22100-flywheel-locking-tool-for-6-6l-duramax-with-allison-transmissions","title":"Lisle 22100 Flywheel Locking Tool for 6.6L Duramax with Allison Transmissions","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Lisle 22100 Flywheel Locking Tool is purpose-built for 6.6L Duramax engines paired with Allison automatic transmissions. It helps technicians keep the flywheel securely stationary during harmonic balancer work, reducing the chance of slips or misalignment while the balancer is removed.\u003c\/p\u003e\n\u003ch2\u003eWhy it matters in the shop\u003c\/h2\u003e\n\u003cp\u003eDuramax service often involves steps where the flywheel must stay fixed. This tool provides a reliable engagement point at the transmission side, enabling you to handle the balancer or water pump tasks with more control. By limiting the need to pull extra components, technicians can maintain a smoother workflow and stay focused on the task at hand.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLocks the flywheel in place when removing the harmonic balancer on 6.6L Duramax engines with Allison automatics.\u003c\/li\u003e\n  \u003cli\u003eSaves time by locking the flywheel at the transmission instead of removing the starter for water pump replacement.\u003c\/li\u003e\n  \u003cli\u003eOperates with a 36mm 12-point socket and 3\/4\" square drive to remove the balancer bolt and re-torque on installation.\u003c\/li\u003e\n  \u003cli\u003eCompact packaging helps keep your toolbox organized (approx. 4.5\" W x 5\" H x 2\" D).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eThe tool is designed for straightforward integration into standard Duramax service steps. It slides into the appropriate opening at the bottom of the transmission and engages the flywheel teeth, then is secured by hand. When finished, recheck torque with a 36mm socket as you reinstall the harmonic balancer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2500\/3500 pickups: access through the bottom metal inspection plate; slide the tool toward the engine to engage the flywheel teeth.\u003c\/li\u003e\n  \u003cli\u003e4500\/5500 trucks: access through the bottom rubber inspection cap; insert from the front to engage and hold the flywheel.\u003c\/li\u003e\n  \u003cli\u003eUse a 36mm 12-point socket with a 3\/4\" square drive to remove and re-torque the balancer bolt during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith its compact profile and precise fit for Duramax flywheel teeth, this tool supports a steady, predictable engagement during a balance- or timing-focused service. It’s a practical addition for technicians seeking clearer workflow and consistent results without unnecessary disassembly.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Lisle 22100 Flywheel Locking Tool designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It locks the Duramax flywheel during harmonic balancer removal on 6.6L engines with Allison transmissions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How can this tool save time during service?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: By locking the flywheel at the transmission, it helps avoid starter removal for some water pump jobs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":42470937428053,"sku":"B002MCVPOO","price":55.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/lisle-flywheel-locking-tool-6-6l-duramax.jpg?v=1778156951","url":"https:\/\/plentytorque.co.uk\/products\/lisle-22100-flywheel-locking-tool-for-6-6l-duramax-with-allison-transmissions","provider":"PlentyTorque","version":"1.0","type":"link"}