{"product_id":"four-uncles-cooling-system-pressure-tester-vacuum-refill-kit-33-piece-set-with-28-adapters-and-rugged-case","title":"FOUR UNCLES cooling system pressure tester \u0026 vacuum refill kit — 33‑piece set with 28 adapters and rugged case","description":"\u003cp\u003e\u003cstrong\u003eFOUR UNCLES 33 PCS Cooling System Pressure Tester \u0026amp; Vacuum Refill Kit is a complete pressure-testing and vacuum-refill solution designed to find coolant leaks and refill systems while minimizing trapped air.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit brings together a pressure pump, vacuum refill assembly, and a wide selection of adapters to service many passenger vehicles and light trucks. Built into a rugged blow-molded case, the set organizes 28 color-coded adapters, clear gauges, and hoses so technicians and DIYers can diagnose leaks, confirm system integrity, and refill coolant more cleanly after repairs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the pressure tester locate cooling system leaks?\u003c\/h3\u003e\n\u003cp\u003eThe hand pump pressurizes the cooling system to a safe test pressure so you can watch for pressure loss or visible leaking. The dual-scale gauges (PSI and BAR) give a clear readout while the adapter caps seal radiator necks and expansion tanks for a controlled test.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand pump with reliable check valve for consistent pressure application\u003c\/li\u003e\n  \u003cli\u003eGauges marked in PSI and BAR for precise monitoring\u003c\/li\u003e\n  \u003cli\u003eColor-coded test caps to match common radiator and reservoir necks\u003c\/li\u003e\n  \u003cli\u003eHoses and fittings to reach hard-to-access components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the vacuum refill function useful after repairs?\u003c\/h3\u003e\n\u003cp\u003eThe vacuum refill feature draws coolant into the system under negative pressure, reducing air entrapment that causes hot spots and inefficient flow. This speeds refill and helps ensure the coolant circulates properly once the engine is started.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVacuum pump assembly for controlled fluid draw-in\u003c\/li\u003e\n  \u003cli\u003eTransparent refill chamber to watch coolant flow and air removal\u003c\/li\u003e\n  \u003cli\u003eSealed connections to prevent spills and contamination\u003c\/li\u003e\n  \u003cli\u003eWorks with most conventional coolant types and concentrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and components will these 28 adapters fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit’s adapters cover a wide range of radiator filler necks and expansion tanks found on many domestic, Asian and European models. Color-coding speeds selection so you can match the adapter to the vehicle without trial-and-error.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdapters for common passenger cars, SUVs and light trucks\u003c\/li\u003e\n  \u003cli\u003eSpecialized fittings for hard-to-reach or nonstandard necks\u003c\/li\u003e\n  \u003cli\u003eCompatible with aftermarket and OEM-style reservoirs\u003c\/li\u003e\n  \u003cli\u003eOrganizer case keeps each adapter visible and accessible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow accurate and durable are the gauges and tools?\u003c\/h3\u003e\n\u003cp\u003eGauges are calibrated in both PSI and BAR for straightforward diagnostics and cross-referencing with repair manuals. Components are built for repeated garage use and the blow-molded case protects fittings and maintains organization between jobs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual-scale gauges for workshop and field measurements\u003c\/li\u003e\n  \u003cli\u003eRobust hoses and fittings to resist kinking and leaks\u003c\/li\u003e\n  \u003cli\u003eBlow-molded case for impact resistance and tidy storage\u003c\/li\u003e\n  \u003cli\u003eReplacement-friendly parts and straightforward connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The FOUR UNCLES 33 PCS Cooling System Pressure Tester \u0026amp; Vacuum Refill Kit is aimed at automotive technicians, independent mechanics, and informed DIYers who perform cooling-system diagnostics, leak repairs or coolant changes. If you need a portable, organized kit that helps validate repairs and minimizes air in new fills, this set provides the adapters, gauges and vacuum refill hardware to get the job done reliably.\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: Can this kit test both radiator and coolant reservoir caps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes multiple color-coded test caps and adapters that seal radiator filler necks and expansion tanks for pressure testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the vacuum refill work with all coolant types?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The vacuum refill draws most conventional coolants and mixtures; avoid using incompatible specialty fluids and follow vehicle manufacturer recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FOUR UNCLES","offers":[{"title":"Default Title","offer_id":67586258862265,"sku":"B0C65RHNN5","price":173.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/four-uncles-front-case-open.jpg?v=1790481761","url":"https:\/\/redleafauto.ca\/products\/four-uncles-cooling-system-pressure-tester-vacuum-refill-kit-33-piece-set-with-28-adapters-and-rugged-case","provider":"Redleaf Auto","version":"1.0","type":"link"}