{"product_id":"oversized-clutch-boost-valve","title":"Oversized Clutch Boost Valve","description":"\n\u003ch2 class=\"light\"\u003eFits any of 3 locations\u003c\/h2\u003e\n\n\u003cdiv class=\"spaced-vertical\"\u003e\n\u003cp\u003eGM 6L45, 6L50, 6L80 and 6L90 clutch boost valves provide feedback pressure to their respective clutch regulator valves, balancing the regulators to assist with apply and release of the associated clutch. Pressure control solenoid fluid acts on the boost valve to precisely control the amount of oil delivered to the balance end of the clutch regulator valve. Excess wear in boost valve bores can result in harsh shifts, slipping, burnt clutches, flares, codes and delayed engagement. Reconditioning the bore and installing Sonnax oversized clutch boost valve 104740-01 restores the hydraulic control necessary for trouble-free shifting.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eProper operation of clutch boost valves depends on correct pressure being supplied by shift solenoids. If trouble is found with pressure supply to these solenoids, Sonnax offers oversized AFL valve \u003ca href=\"..\/i-30502917-oversized-actuator-feed-limit-valve.html\"\u003e104740-12\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHardcoat anodized aluminum valve combats premature wear\u003c\/li\u003e\n\u003cli\u003eAnnular grooves help center valve in bore to reduce future side-load wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"part-accordion cb spaced-vertical\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003clabel for=\"notes-panel\"\u003eNote:\u003c\/label\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cp\u003eThis valve is packaged individually, but can be used in any of three bore locations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\"B\" Stamp: 4-5-6 Clutch Boost Valve\u003c\/li\u003e\n\u003cli\u003e\"F\" Stamp: 3-5-Reverse Clutch Boost Valve\u003c\/li\u003e\n\u003cli\u003e\"K\" Stamp: 1-2-3-4 Clutch Boost Valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\u003cstrong\u003eRequired Tools:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eReamer F-Tool Kit Part No. \u003ca href=\"..\/i-30502935-reamer-f-tool-kit.html\"\u003eF-104740-TL\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cdiv class=\"col-4\"\u003e\n\u003cstrong\u003eSymptoms:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eShift quality is not load sensitive\u003c\/li\u003e\n\u003cli\u003eClutch pressure solenoid codes\u003c\/li\u003e\n\u003cli\u003eBurnt clutches\u003c\/li\u003e\n\u003cli\u003eDelayed engagement\u003c\/li\u003e\n\u003cli\u003eHarsh shifts\u003c\/li\u003e\n\u003cli\u003eSlide shifts\u003c\/li\u003e\n\u003cli\u003eSlip codes\u003c\/li\u003e\n\u003cli\u003eSlips \u0026amp; flares\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"col-4\"\u003e\n\u003cdiv class=\"col-4\"\u003e\n\u003cp\u003e\u003cstrong\u003eCause:\u003c\/strong\u003e\u003c\/p\u003e\nWear in clutch boost valve bores causes feedback pressure instability, preventing normal shift operation.\u003c\/div\u003e\n\u003cdiv class=\"col-4\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"col-4 last\"\u003e\n\u003cp\u003e\u003cstrong\u003eCorrection:\u003c\/strong\u003e\u003c\/p\u003e\nRecover hydraulic control and renew shift performance by reconditioning the bore and installing Sonnax oversized clutch boost valve kit.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e \u003c!-- suncoast-documents:start --\u003e\u003cdiv class=\"suncoast-product-documents\"\u003e\n\u003ch3 class=\"h6\"\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0832\/4173\/0267\/files\/183976.pdf?v=1793634993\" target=\"_blank\" rel=\"noopener\"\u003eInstructions\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- suncoast-documents:end --\u003e","brand":"Sonnax","offers":[{"title":"Default Title","offer_id":49129556508891,"sku":"104740-01","price":66.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/4173\/0267\/files\/F198655256.jpg?v=1786546780","url":"https:\/\/suncoastperformance.com\/products\/oversized-clutch-boost-valve","provider":"SunCoast Diesel","version":"1.0","type":"link"}