{"product_id":"sonnax-tcc-regulator-valve-kit-for-pump-45rfe-5-45rfe-65rfe-66rfe-68rfe","title":"Sonnax TCC Regulator Valve Kit for Pump 45RFE 5-45RFE 65RFE 66RFE 68RFE","description":"\u003ch3\u003eSonnax TCC Regulator Valve Kit for 45RFE, 545RFE, 65RFE, 66RFE \u0026amp; 68RFE\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSonnax 44912-11K TCC regulator valve kit\u003c\/strong\u003e addresses torque converter lockup problems in Chrysler 45RFE, 545RFE, 65RFE, 66RFE, and 68RFE ('18-earlier only) transmissions. In these units, the OE valve design provides poor sealing between the line pressure and converter feed circuits, allowing vital apply pressure to leak directly to exhaust. This results in low vacuum readings and TCC performance issues.\u003c\/p\u003e\n\u003cp\u003eEngineered for drop-in installation, the upgraded Sonnax valve features an \u003cstrong\u003eextended spool\u003c\/strong\u003e for improved bore contact and sealing. It helps eliminate converter apply fluid loss and improves the reliability of the TCC circuit. Additionally, the kit includes a heavy-duty accumulator spring retainer to replace the weak OE version that is prone to bending or damage from spring load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardcoat Anodized Aluminum Valve\u003c\/li\u003e\n\u003cli\u003eAccumulator Spring Retainer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExtended spool enhances sealing and prevents pressure loss\u003c\/li\u003e\n\u003cli\u003eHardcoat anodized aluminum resists wear and scoring\u003c\/li\u003e\n\u003cli\u003eReinforced spring retainer replaces thin, failure-prone OE part\u003c\/li\u003e\n\u003cli\u003eInstalls easily—no machining or special tools required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Symptoms:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTorque converter issues\u003c\/li\u003e\n\u003cli\u003eTCC lockup failure or irregular lockup behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCause:\u003c\/strong\u003e\u003cbr\u003eInsufficient sealing at the line pressure to converter feed circuit allows apply fluid to escape past the valve spool into the sump, reducing converter efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrection:\u003c\/strong\u003e\u003cbr\u003eInstall the Sonnax TCC regulator valve kit to eliminate leaks and restore consistent lockup performance. The added sealing surface and upgraded retainer ensure long-term durability and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTransmissions: \u003c\/strong\u003e 68RFE 2009-2018, 66RFE 2011-UP, 65RFE 2011-UP, 5-45RFE (545RFE) 2001-UP, 45RFE 2000-UP\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eVehicle\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eCHRYSLER\u003c\/strong\u003e\u003cbr\u003eASPEN 2007-2009 5 SP R\/4WD V8 4.7L 5.7L\u003cbr\u003e\u003cstrong\u003eDODGE\u003c\/strong\u003e\u003cbr\u003eDURANGO 2011-2016 6 SP R\/4WD V8 5.7L\u003cbr\u003eDURANGO 2003-2016 5 SP R\/4WD V8 5.7L\u003cbr\u003ePICKUP\/DAKOTA 2001-2011 5 SP R\/4WD V8 4.7L\u003cbr\u003ePICKUP\/RAM 1500, PICKUP\/RAM 2500, PICKUP\/RAM 3500 2002-2012 5 SP R\/4WD V8 4.7L 5.7L\u003cbr\u003eDURANGO, PICKUP\/DAKOTA 2000-2002 4 SP R\/4WD V8 4.7L\u003cbr\u003ePICKUP\/RAM 1500 2002-2005 4 SP R\/4WD V6 3.7L V8 4.7L\u003cbr\u003e\u003cstrong\u003eGEELY\u003c\/strong\u003e\u003cbr\u003eTX4 2008-2016 5 SP RWD L4 2.5L\u003cbr\u003e\u003cstrong\u003eJEEP\u003c\/strong\u003e\u003cbr\u003eCHEROKEE 2002-2014 5 SP R\/4WD V6 3.6L 3.7L\u003cbr\u003eCOMMANDER 2006-2010 5 SP R\/4WD L6 3.7L V8 4.7L 5.7L\u003cbr\u003eGRAND CHEROKEE 2001-2013 5 SP R\/4WD V8 4.7L 5.7L\u003cbr\u003eLIBERTY 2003-2007 5 SP R\/4WD L4 2.5L 2.8L DIESEL\u003cbr\u003eWRANGLER 2006-2016 5 SP 4WD L4 2.8L\u003cbr\u003eGRAND CHEROKEE 1999-2000 4 SP R\/4WD V8 4.7L\u003cbr\u003eLIBERTY 2002 4 SP R\/4WD V6 3.7L\u003cbr\u003e\u003cstrong\u003eLTI\u003c\/strong\u003e\u003cbr\u003eTX4 2006-2017 5 SPD RWD\u003cbr\u003e\u003cstrong\u003eMITSUBISHI\u003c\/strong\u003e\u003cbr\u003eRAIDER 2006-2008 5 SP R\/4WD V8 4.7L\u003cbr\u003e\u003cstrong\u003eRAM\u003c\/strong\u003e\u003cbr\u003e2500\/3500 2009-2016 6 SP R\/4WD L6 6.7L\u003cbr\u003e2500\/3500, 1500 2011-2016 6 SP R\/4WD V8 5.7L 6.4L\u003cbr\u003e1500 2008-2016 5 SP R\/4WD V8 4.7L 5.7L\u003cbr\u003e2500\/3500 2009-2016 5 SP R\/4WD V8 5.7L\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlternate Words:\u003c\/strong\u003e transmission and specialty driveline components\u003c\/p\u003e","brand":"SONNAX","offers":[{"title":"Default Title","offer_id":42243965059131,"sku":"44912-11K","price":38.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/1285\/8683\/files\/44912-11K78.jpg?v=1750006815","url":"https:\/\/es.suntransmissions.com\/products\/sonnax-tcc-regulator-valve-kit-for-pump-45rfe-5-45rfe-65rfe-66rfe-68rfe","provider":"Sun Transmissions","version":"1.0","type":"link"}