{"product_id":"vorsprung-autowerk-3-0t-supercharged-check-valve-set","title":"Vorsprung Autowerk 3.0T Supercharged Check Valve Set","description":"\u003ch2\u003eVorsprung Autowerk: 3.0T Oil Check Valve Set\u003c\/h2\u003e\n\u003cp\u003eIs your Audi starting to sound like a diesel tractor for those first few seconds every morning? That dreaded \u003cb\u003e1–3 second rattle on cold start\u003c\/b\u003e is the calling card of the 3.0T engine, and it's usually caused by oil draining out of the cylinder heads and timing chain tensioners while the car sits.\u003c\/p\u003e\n\u003cp\u003eOur \u003cb\u003eOil Check Valves\u003c\/b\u003e are the essential fix to keep oil where it belongs: at the top of your engine.\u003c\/p\u003e\n\u003ch3\u003eThe \"Silent Start\" Solution\u003c\/h3\u003e\n\u003cp\u003eOn many 3.0T models (especially the B8.5), Audi replaced these valves with blank plugs. Without a functional check valve, oil pressure bleeds off when the engine is off. When you start the car, the hydraulic timing chain tensioners are \"empty,\" causing the chain to slap against the guides until oil pressure builds back up.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVorsprung Autowerk Check Valves\u003c\/b\u003e prevent this drain-back, ensuring instant lubrication and a quiet, rattle-free startup.\u003c\/p\u003e\n\u003ch3\u003eWhy Install These?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eEliminate Startup Rattle:\u003c\/b\u003e Keeps the timing chain tensioners primed with oil for immediate tension upon ignition.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eProtect Your Guides:\u003c\/b\u003e By stopping the \"chain slap\" at startup, you reduce the wear and tear on your plastic timing guides, potentially saving you from a $5,000+ engine-out timing job.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eOEM+ Engineering:\u003c\/b\u003e Designed to meet or exceed factory specifications with high-quality internal springs and seals that won't fail like the original units.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eThe \"While You're In There\" Essential:\u003c\/b\u003e Located in the engine valley, these are the perfect companion to a PCV, Thermostat, or Supercharger service.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv class=\"product-fitment-section\" style=\"margin: 20px 0; font-family: inherit;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; margin-bottom: 10px; font-weight: bold;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eIncludes two (2) check valves for a complete valley service.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 0.95rem;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom: 2px solid #ddd; background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS4, S5, SQ5, A6, A7, Q7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2009–2017\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0L V6 Supercharged (EA837)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 0.85rem; color: #555;\"\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Stop the rattle before it stops your engine. Not sure if this fits your build? Email us at help@vorsprungautowerk.com.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eCheck Valve Set FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes the cold-start rattle on the 3.0T?\u003c\/strong\u003e\u003cbr\u003eOn many 3.0T models (especially the B8.5), Audi used blank plugs instead of functional check valves. Without them, oil pressure bleeds off overnight, so the hydraulic timing chain tensioners start out \"empty\" and the chain slaps against the guides until oil pressure builds back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this actually protect my timing guides?\u003c\/strong\u003e\u003cbr\u003eYes. Stopping the chain slap at startup reduces wear on the plastic timing guides, which is the failure that leads to a $5,000+ engine-out timing job.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many valves are in this kit?\u003c\/strong\u003e\u003cbr\u003eTwo (2) check valves, enough for a complete valley service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I do this at the same time as other valley work?\u003c\/strong\u003e\u003cbr\u003eYes - since the valley is already exposed, these are a natural companion to a PCV, thermostat, or supercharger service.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin: 30px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.25rem; font-weight: bold; margin-top: 0; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.5px; color: #0f172a;\"\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eEnthusiast Designed \u0026amp; Tested:\u003c\/strong\u003e Developed by people who actually drive and modify these cars.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eTested on Our Own Cars:\u003c\/strong\u003e If we wouldn't run it ourselves, we don't sell it.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eContinuous R\u0026amp;D:\u003c\/strong\u003e We continually develop and improve our products instead of relying on generic catalog parts.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eSupporting Audi Platform Development:\u003c\/strong\u003e Your purchase helps fund continued development of new parts for these chassis.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Get help from people who understand the platform, not ticket bots.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eSmall Team, Big Passion:\u003c\/strong\u003e Every order directly supports continued product development and innovation.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0; display: flex; align-items: flex-start;\"\u003e\n\u003cspan style=\"margin-right: 12px; font-size: 1.1rem; line-height: 1.2;\"\u003e✅\u003c\/span\u003e\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003ePerformance Without the Marketing Fluff:\u003c\/strong\u003e Purpose-built parts designed to perform.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eDrive the difference. Drive Vorsprung.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Default Title","offer_id":50521414336737,"sku":"sku-52966867534127","price":39.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/ChatGPT_Image_Aug_25_2026_07_18_04_PM.png?v=1790180672","url":"https:\/\/pacautoperformance.com\/products\/vorsprung-autowerk-3-0t-supercharged-check-valve-set","provider":"Pacific Automotive Performance","version":"1.0","type":"link"}