{"product_id":"vorsprung-glt™-truseal-pcv-valve-diaphragm-upgrade-audi-3-2l-3-6l-and-3-0t-pcv-relocation","title":"Vorsprung GLT™ TruSeal PCV Valve Diaphragm Upgrade, Audi 3.2L, 3.6L, and 3.0T PCV Relocation","description":"\u003ch3\u003eVorsprung GLT™ TruSeal PCV Valve Diaphragm Upgrade – Audi 3.2L \u0026amp; 3.6L - 3.0T PCV Relocation Upgrade\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe last PCV diaphragm you will ever need to install.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory PCV (Positive Crankcase Ventilation) diaphragm on Audi 3.2L and 3.6L engines is notorious for failing. When it does, the standard dealership solution is to force you to buy an entirely new valve cover assembly, a massively expensive and unnecessary repair. At Vorsprung Autowerk, we don't just replicate factory parts to temporarily patch the problem; we engineer out the flaws so you only have to fix it once.\u003c\/p\u003e\n\u003ch3\u003eThe Problem: The \"Brittle Tear\" Failure\u003c\/h3\u003e\n\u003cp\u003eThe OEM PCV diaphragm lives in a harsh environment, subjected to constant rapid movement, extreme engine heat, and highly corrosive oil and fuel vapors. Factory diaphragms are manufactured from standard commercial-grade rubber that inevitably degrades. As it ages, and especially when exposed to cold temperatures, the factory rubber hardens, becomes brittle, and eventually tears.\u003c\/p\u003e\n\u003cp\u003eWhen this membrane ruptures, it creates a massive internal vacuum leak. The results are immediate: a high-pitched whistling sound from the engine bay, violent rough idling, stalling, and a dashboard lit up with Check Engine Light (CEL) codes (such as P0171, P0507, or P2279).\u003c\/p\u003e\n\u003ch3\u003eThe Solution: Viton™ GLT Technology\u003c\/h3\u003e\n\u003cp\u003eA diaphragm's sole job is to flex. If it loses its elasticity, it fails. We have upgraded the industry standard by manufacturing our replacement diaphragms exclusively from \u003cstrong\u003eViton™ GLT\u003c\/strong\u003e, a premium aerospace-grade fluoroelastomer designed to solve the fatal shortcomings of standard rubber.\u003c\/p\u003e\n\u003cp\u003eUnlike standard FKM, which becomes stiff and brittle at -4°F (-20°C), the Vorsprung GLT™ diaphragm remains fully flexible, elastic, and responsive down to \u003cstrong\u003e-40°F (-40°C)\u003c\/strong\u003e. Whether you are dealing with a sub-zero cold start in the dead of winter or sitting in stop-and-go summer traffic, this membrane will continually regulate crankcase pressure without hardening or tearing.\u003c\/p\u003e\n\u003ch3\u003eEngineered for Lifetime Performance\u003c\/h3\u003e\n\u003cp\u003eWe spec our GLT material to provide the perfect balance of tensile strength and extreme flexibility. It possesses total immunity to synthetic engine oils, blow-by gases, and fuel vapors that eat away at factory rubber. By replacing just the failed diaphragm with our aerospace-grade upgrade, you save hundreds of dollars over a new valve cover while permanently bulletproofing your PCV system.\u003c\/p\u003e\n\u003ch3\u003eSymptoms Resolved:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-pitched whistling or howling noise from the valve cover\u003c\/li\u003e\n\u003cli\u003eRough, erratic, or surging idle\u003c\/li\u003e\n\u003cli\u003eExcessive vacuum pulling on the oil cap (hard to remove while running)\u003c\/li\u003e\n\u003cli\u003eSystem Too Lean (P0171) or Idle Control System RPM Higher than Expected (P0507) codes\u003c\/li\u003e\n\u003cli\u003eRandom engine misfires due to unmetered air\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Genuine Chemours Viton™ GLT (Low-Temperature FKM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Matched:\u003c\/strong\u003e Molds made from the original OEM part for an exact fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -40°F to +400°F (-40°C to +204°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Resistance:\u003c\/strong\u003e 100% immune to synthetic engine oils, fuel vapors, and crankcase acids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Engineered to outlast factory seals by 2-5x (Estimated 15+ years)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective:\u003c\/strong\u003e Replaces just the failed diaphragm, eliminating the need to buy a complete OEM valve cover assembly.\u003c\/li\u003e\n\u003c\/ul\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\u003eThis diaphragm is a direct OE-fit replacement for the Audi 3.2L V6 (A4\/A5\/A6, B8\/C6, and Q5 8R) and 3.6L V6 (Q7, 4L), and also serves as a PCV relocation component on the 3.0T EA837 supercharged platform.\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;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eApplication\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;\"\u003eA4 \/ A5 \/ A6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB8 \/ C6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.2L V6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDirect OE Fit\u003c\/td\u003e\n\u003c\/tr\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;\"\u003eQ5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e8R\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.2L V6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDirect OE Fit\u003c\/td\u003e\n\u003c\/tr\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;\"\u003eQ7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4L\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.6L V6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDirect OE Fit\u003c\/td\u003e\n\u003c\/tr\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\/Q5\/SQ5\/A6\/A7\/A8\/Q7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eB8\/B8.5\/C7\/C7.5\/D4\/4L\/4M\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e3.0T V6 Supercharged\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePCV Relocation Component\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 On the 3.0T supercharged platform, this diaphragm is a component used in a PCV relocation build, not a stand-alone bolt-in for the factory location. Confirm your engine code before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTruSeal PCV Diaphragm FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if my diaphragm has failed?\u003c\/strong\u003e\u003cbr\u003eCommon symptoms include a high-pitched whistling or howling noise from the valve cover, rough or surging idle, excessive vacuum pulling on the oil cap, and codes like P0171, P0507, or P2279.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to replace the whole valve cover?\u003c\/strong\u003e\u003cbr\u003eNo. This upgrade replaces just the failed diaphragm, molded from the original OEM part for an exact fit, so you skip the cost of a complete valve cover assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this hold up in cold weather?\u003c\/strong\u003e\u003cbr\u003eYes. The Viton GLT material stays flexible down to -40°F, unlike standard FKM which stiffens and can crack around -4°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit my 3.0T supercharged S4\/S5?\u003c\/strong\u003e\u003cbr\u003eOn the 3.0T supercharged platform, this diaphragm is used as a component in a PCV relocation build rather than a direct factory-location replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will this last?\u003c\/strong\u003e\u003cbr\u003eIt's engineered to outlast factory seals by 2-5x, with an estimated lifespan of 15+ years.\u003c\/p\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\n\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\n\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 Every product is validated on our own fleet before it ever reaches a customer.\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\n\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're constantly refining our parts based on real-world feedback and testing.\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\n\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 Every purchase helps fund development of more parts for these platforms.\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\n\u003cdiv style=\"color: #334155; font-size: 0.95rem; line-height: 1.4;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eReal Enthusiast Support:\u003c\/strong\u003e Talk to people who actually know these cars, not a call center script.\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\n\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 We're enthusiasts first, and it shows in every part we build.\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\n\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 Honest parts, honest descriptions, no hype.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin-top: 30px;\"\u003eDrive the difference. Drive Vorsprung.\u003c\/p\u003e","brand":"Vorsprung Autowerk","offers":[{"title":"Default Title","offer_id":50521404178657,"sku":"sku-58365194830127","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/8422\/6017\/files\/ChatGPTImageAug24_2026_11_56_36PM.png?v=1790180603","url":"https:\/\/pacautoperformance.com\/products\/vorsprung-glt%e2%84%a2-truseal-pcv-valve-diaphragm-upgrade-audi-3-2l-3-6l-and-3-0t-pcv-relocation","provider":"Pacific Automotive Performance","version":"1.0","type":"link"}