{"product_id":"autool-walnut-blaster-intake-valve-walnut-shell-grit-blaster-compact-carbon-remover-with-recovery-filter","title":"AUTOOL Walnut Blaster intake valve walnut-shell grit blaster — compact carbon remover with recovery filter","description":"\u003cp\u003e\u003cstrong\u003eAUTOOL Walnut Blaster is a walnut-shell grit blasting machine designed to remove carbon build-up from intake manifolds and valves safely and efficiently.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact walnut sand blaster attaches to the intake port and uses compressed air to deliver natural walnut grit that scrubs away heavy carbon deposits without harming metal or rubber components. The unit recovers and filters spent grit, reducing waste and protecting downstream exhaust parts by breaking down residual walnut particles during normal engine operation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AUTOOL Walnut Blaster clean carbon without damaging parts?\u003c\/h3\u003e\n\n\u003cp\u003eThe machine uses crushed walnut shell, a naturally abrasive but non-corrosive media, to dislodge carbon while leaving metal, gaskets, and sensors intact. The grit’s high porosity gives it adsorption power that scrubs deposits rather than chemically etching surfaces.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNatural walnut sand: non-toxic, corrosion-resistant abrasive.\u003c\/li\u003e\n  \u003cli\u003eControlled air pressure application prevents over-aggression on components.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in dust filter separates and recovers spent grit for recycling.\u003c\/li\u003e\n  \u003cli\u003eResidual walnut ash burns off safely during engine start-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat steps are required to use the walnut sand blasting kit?\u003c\/h3\u003e\n\n\u003cp\u003eUse is straightforward for anyone familiar with basic engine service. Shut the engine off, manually close the intake valve by rotating the crankshaft, insert the nozzle into the intake port, and feed walnut grit with a suitable high-pressure air source.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTurn off engine and rotate crankshaft to close intake valves.\u003c\/li\u003e\n  \u003cli\u003eUse a high-pressure air pump (not included) to feed walnut grit.\u003c\/li\u003e\n  \u003cli\u003eThe blaster’s filter collects reclaimed grit and carbon debris.\u003c\/li\u003e\n  \u003cli\u003eShake or air-dry grit if clumped from moisture before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the integrated recovery system work and why is it useful?\u003c\/h3\u003e\n\n\u003cp\u003eThe Walnut Blaster features an internal dust filter that captures and separates walnut grit from carbon fragments, allowing you to reuse media and reduce mess. That closed-loop behavior minimizes contamination risk and keeps the cleaning process more efficient and environmentally conscious.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBuilt-in filter traps carbon and recovers walnut grit.\u003c\/li\u003e\n  \u003cli\u003eRecovered media can be recycled for subsequent cleaning jobs.\u003c\/li\u003e\n  \u003cli\u003eReduces airborne debris and makes cleanup faster.\u003c\/li\u003e\n  \u003cli\u003eDesigned so residual walnut burns to ash, protecting exhaust parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and precautions should I consider when operating this tool?\u003c\/h3\u003e\n\n\u003cp\u003eRegularly inspect the nozzle, seals, and filter for wear and blockages. Avoid exposing walnut grit to water—moisture causes clumping and can clog the nozzle; break up clumps by shaking or drying before use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCheck filters and seals after each session and replace if worn.\u003c\/li\u003e\n  \u003cli\u003eStore walnut grit dry to prevent nozzle blockage.\u003c\/li\u003e\n  \u003cli\u003eUse appropriate PPE and a suitable air source rated for blasting.\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle manufacturer specs when accessing intake ports.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The AUTOOL Walnut Blaster Engine Intake Valve Cleaner is aimed at professional mechanics and experienced DIYers who need a reliable, non-corrosive method to remove heavy carbon from intake manifolds and valves. It’s especially useful for workshops performing routine intake service, shops restoring engine performance, or vehicle owners tackling stubborn carbon-related issues while keeping replacement parts intact. AUTOOL backs the tool with attentive support and a three-year assistance window plus lifetime technical help for troubleshooting and parts guidance.\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: Is walnut grit safe for my engine parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Crushed walnut shell is non-corrosive and abrasively removes carbon without etching metal or rubber when used correctly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need an air pump with this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. A high-pressure air pump is required but not included; ensure it matches recommended blasting pressure for the vehicle.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTOOL","offers":[{"title":"Default Title","offer_id":55161305039191,"sku":"B0BFWNPKT2","price":490.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/autool-walnut-blaster-front-view.jpg?v=1790324384","url":"https:\/\/britishgarage.co.uk\/products\/autool-walnut-blaster-intake-valve-walnut-shell-grit-blaster-compact-carbon-remover-with-recovery-filter","provider":"British Garage","version":"1.0","type":"link"}