{"product_id":"xituanyuan-cylinder-leak-down-tester-kit-tu-21-automotive-engine-leakage-detector-light-red","title":"XiTuanYuan Cylinder Leak Down Tester Kit TU-21 – Automotive Engine Leakage Detector, Light Red","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe XiTuanYuan TU-21 Cylinder Leak Down Tester Kit is a practical, hands‑on tool designed for quick insights into engine cylinder integrity. By measuring how much air escapes from a cylinder, it helps you understand potential seal or seating issues without immediate disassembly. The kit combines a robust gauge, a flexible hose, and a compact case to keep your diagnostic workflow organized and efficient.\u003c\/p\u003e\n\n\u003ch2\u003eKey capabilities and benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIdentifies potential engine faults such as piston ring wear, cylinder head cracks, valve wear, and head gasket concerns by evaluating leakage levels and patterns.\u003c\/li\u003e\n  \u003cli\u003eGeared for real-world use, including trucks and engines with tight clearance, making it suitable for four-stroke powerplants in a workshop or on-site setting.\u003c\/li\u003e\n  \u003cli\u003eIntegrated pressure regulator and dedicated leakage gauge enable you to calibrate and read leakage values clearly while listening to the system for audible cues.\u003c\/li\u003e\n  \u003cli\u003eDesigned for straightforward operation: connect the hose to the cylinder, attach to a suitable air source, calibrate the counter, and observe the leakage reading on the gauge.\u003c\/li\u003e\n  \u003cli\u003eComes with a complete set of accessories and a protective case, ensuring you have the essential adapters and connectors for a variety of engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePractical use in daily diagnostics\u003c\/h2\u003e\n\u003cp\u003eIn a shop or field environment, the kit supports efficient diagnosis of cylinder sealing and leakage sources. The 48 cm recoil hose adds flexibility when working in cramped engine bays, while the range of adapters helps you tailor the setup to different spark plugs and fittings. While it provides useful readouts and audible cues, results should be interpreted in the context of other diagnostic observations.\u003c\/p\u003e\n\n\u003ch2\u003eHow to use (summary)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove the Schrader valve, close the regulator, and prepare the air source.\u003c\/li\u003e\n  \u003cli\u003eAttach the hose to the cylinder and secure the unit to the hose connection.\u003c\/li\u003e\n  \u003cli\u003eCalibrate the leakage counter, apply compressed air (45–100 psi), and monitor the gauge while listening at the vehicle systems.\u003c\/li\u003e\n  \u003cli\u003eInterpret readings to identify potential leakage paths and sources for further inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePackage contents\u003c\/h2\u003e\n\u003cp\u003eThe kit includes a 48 cm recoil hose, 10 mm and 12 mm spark plug adapters, fixed connectors M14 x 26 mm and M16 x 26 mm, a cylinder leakage gauge, an air regulator, a user guide, and a sturdy case.\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 can the XiTuanYuan TU-21 tester help diagnose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It helps assess cylinder leakage in four-stroke engines by measuring leakage and listening to the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the package and what engines is it suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes hoses, adapters, connectors, regulator, gauge, and case; suitable for trucks and engines with tight clearances testing four-stroke engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"XiTuanYuan","offers":[{"title":"Default Title","offer_id":42469981192277,"sku":"B0CT5C317M","price":64.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/xituan-yuan-cylinder-leak-down-tester-kit-overview.jpg?v=1778116372","url":"https:\/\/plentytorque.co.uk\/products\/xituanyuan-cylinder-leak-down-tester-kit-tu-21-automotive-engine-leakage-detector-light-red","provider":"PlentyTorque","version":"1.0","type":"link"}