{"product_id":"fan-clutch-solenoid-valve-fits-military-humvee","title":"24V Fan Clutch Solenoid Control Valve Replacement for HMMWV Humvee M998 H1, Heavy Duty Brass Engine Cooling Fan Hydraulic Control Valve Assembly, Replaces NSN 4810-01-192-5817, Part 12339982","description":"\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_f\" data-hveid=\"CAAIBRAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cspan data-subtree=\"aimfl\" data-processed=\"true\"\u003e\u003c\/span\u003eThis part is used for every model of MILITARY humvee.\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_f\" data-hveid=\"CAAIBRAA\" data-processed=\"true\" data-complete=\"true\"\u003e\u003cspan data-subtree=\"aimfl\" data-processed=\"true\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_f\" data-hveid=\"CAAIBRAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_u\" data-hveid=\"CAAIBxAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_v\" data-complete=\"true\" data-processed=\"true\"\u003eFan Clutch Solenoid Valve\u003c\/strong\u003e, universally known in the military vehicle community as the \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_w\" data-complete=\"true\" data-processed=\"true\"\u003e\"Cadillac Valve.\"\u003c\/strong\u003e This electro-hydraulic valve is a critical component of the engine cooling system for the AM General HMMWV (Humvee).\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_12\" data-hveid=\"CAAICBAA\" data-complete=\"true\" data-processed=\"true\"\u003eIt regulates the power steering\/hydraulic fluid pressure to engage and disengage the engine cooling fan based on engine temperature. Because it is engineered with a combat-ready failsafe, unplugging or cutting power to this valve automatically locks the fan into full engagement to prevent catastrophic engine overheating.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_18\" data-hveid=\"CAAICRAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_19\" data-complete=\"true\" data-processed=\"true\"\u003eProduct Specifications:\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"wiLEJc#NS0kde\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1f\" data-hveid=\"CAAIChAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1g\" data-hveid=\"CAAIChAB\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1h\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1i\" data-complete=\"true\"\u003eComponent Type:\u003c\/strong\u003e Electro-Hydraulic Solenoid Valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1j\" data-hveid=\"CAAIChAC\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1k\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1l\" data-complete=\"true\"\u003eCommon Industry Names:\u003c\/strong\u003e Cadillac Valve, Fan Clutch Solenoid\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1m\" data-hveid=\"CAAIChAD\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1n\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1o\" data-complete=\"true\"\u003eNational Stock Number (NSN):\u003c\/strong\u003e 4810-01-192-5817\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1p\" data-hveid=\"CAAIChAE\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1q\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1r\" data-complete=\"true\"\u003ePart Numbers:\u003c\/strong\u003e 12339982 \/ 1059-06607-02\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1s\" data-hveid=\"CAAIChAF\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1t\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_1u\" data-complete=\"true\"\u003eFitment:\u003c\/strong\u003e Fits all standard 6.2L and 6.5L naturally aspirated and turbocharged HMMWV variants (M998, M1025, M1123, M1114, ECV, etc.)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_20\" data-hveid=\"CAAICxAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_21\" data-complete=\"true\" data-processed=\"true\"\u003eCondition \u0026amp; Testing Note:\u003c\/strong\u003e\u003cbr jsaction=\"\" jscontroller=\"iO7NKc#B4oRN\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_22\" data-sfc-pl=\"|||[]\" data-complete=\"true\" data-processed=\"true\"\u003eThis item is being sold as-is. For your peace of mind, the internal solenoid coil can easily be verified with a digital multimeter; a healthy, functional unit typically reads a resistance between \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_23\" data-complete=\"true\" data-processed=\"true\"\u003e58 and 78 ohms\u003c\/strong\u003e across the pins.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"FCxXd_29\" data-hveid=\"CAAIDBAA\" data-complete=\"true\" data-processed=\"true\"\u003ePerfect for restoration projects, mechanical repairs, or keeping as a critical spare part for your overland rig.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_f\" data-hveid=\"CAAIBRAA\" data-processed=\"true\" data-complete=\"true\"\u003e\u003cspan data-subtree=\"aimfl\" data-processed=\"true\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"TDBkbc#Ml18Xb\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_f\" data-hveid=\"CAAIBRAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cspan data-subtree=\"aimfl\" data-processed=\"true\"\u003e\u003cbr\u003eThe \u003c\/span\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_h\" data-complete=\"true\" data-processed=\"true\"\u003efan clutch solenoid valve\u003c\/strong\u003e on a military HMMWV (Humvee) is a critical electro-hydraulic component most commonly referred to by mechanics and enthusiasts as the \u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_i\" data-complete=\"true\" data-processed=\"true\"\u003e\"Cadillac valve.\"\u003c\/strong\u003e Its primary job is to regulate hydraulic fluid pressure to engage or disengage the engine's cooling fan.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;RuqCpe_o|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_o\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=RuqCpe_p\/fLk2Md\" jscontroller=\"zg1ZQe#TswZNc\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_p\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eCore Function \u0026amp; Operation\u003c\/div\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"wiLEJc#NS0kde\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_q\" data-hveid=\"CAAIBxAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_r\" data-hveid=\"CAAIBxAB\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_s\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_t\" data-complete=\"true\"\u003eHydraulic Control:\u003c\/strong\u003e Unlike civilian vehicles that often use electronic or viscous clutches, the Humvee uses hydraulic fluid pressure (drawn from the power steering system) to operate the fan clutch. The solenoid valve acts as the gatekeeper for this fluid.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_z\" data-hveid=\"CAAIBxAE\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_10\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_11\" data-complete=\"true\"\u003eOn\/Off Operation:\u003c\/strong\u003e The system operates in a binary state. The fan is either completely disengaged (freewheeling) or 100% locked and spinning at full engine speed. There are no variable or partial speeds.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_17\" data-hveid=\"CAAIBxAH\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_18\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_19\" data-complete=\"true\"\u003eFailsafe Design:\u003c\/strong\u003e The valve is engineered to be \"normally open\" when it loses electrical power. If the wiring fails or you unplug the electrical connector, the hydraulic pressure vents, causing the fan clutch to spring-lock into a permanently engaged state. This prevents the engine from overheating in combat or field environments if the electrical system fails.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;RuqCpe_1f|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1f\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=RuqCpe_1g\/fLk2Md\" jscontroller=\"zg1ZQe#TswZNc\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1g\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eHow the System Works Together\u003c\/div\u003e\n\u003col class=\"T9WCjf qkgVBf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"PnN4Le#N1SbDe\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1h\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1i\" data-hveid=\"CAAICRAB\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1j\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1k\" data-complete=\"true\"\u003eTemperature Spike:\u003c\/strong\u003e When the engine coolant reaches a specific high temperature (typically around 220°F to 230°F), a mechanical temperature switch in the engine crossover pipe activates.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1q\" data-hveid=\"CAAICRAE\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1r\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1s\" data-complete=\"true\"\u003eSignal Delay:\u003c\/strong\u003e The switch sends a signal to a control box (the time-delay module) to prevent the fan from constantly cycling on and off over minor temperature fluctuations.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1y\" data-hveid=\"CAAICRAH\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_1z\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_20\" data-complete=\"true\"\u003eSolenoid Activation:\u003c\/strong\u003e The module cuts power to the fan clutch solenoid valve (Cadillac valve), dropping hydraulic pressure and forcing the fan to fully engage with a loud, distinct roar. Once the engine cools down, power is restored to the solenoid, fluid pressure builds, and the fan disengages to save fuel and horsepower.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"yhAwj\" data-sfc-cp=\"\" jsaction=\"rcuQ6b:\u0026amp;RuqCpe_26|npT2md\" jscontroller=\"UTzWVc#U8DOt\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_26\" data-complete=\"true\" data-processed=\"true\" data-sfc-inited=\"2\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ZLzG0d ncoeY E8xBUb\" role=\"heading\" aria-level=\"3\" data-animation-nesting=\"\" data-sfc-cp=\"\" jsaction=\"\" data-wiz-attrbind=\"aria-level=RuqCpe_27\/fLk2Md\" jscontroller=\"zg1ZQe#TswZNc\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_27\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003eDiagnostics \u0026amp; Specifications\u003c\/div\u003e\n\u003cul class=\"XSq4R KI3fJ\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"wiLEJc#NS0kde\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_28\" data-hveid=\"CAAICxAA\" data-processed=\"true\" data-complete=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_29\" data-hveid=\"CAAICxAB\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_2a\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_2b\" data-complete=\"true\"\u003eElectrical Resistance:\u003c\/strong\u003e When testing the solenoid with a multimeter, a functioning valve typically shows a resistance reading between 58 and 78 ohms.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"oSLmPe#HokZ0d\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_2h\" data-hveid=\"CAAICxAE\" data-sae=\"\" data-complete=\"true\"\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"KdQfFc#d5Qebf\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_2i\" data-complete=\"true\"\u003e\u003cstrong class=\"rQesXe MPyX\" data-sfc-cp=\"\" jsaction=\"\" jscontroller=\"tP2kf#s32ZS\" data-sfc-root=\"ep\" data-epip=\"\" jsuid=\"RuqCpe_2j\" data-complete=\"true\"\u003eCommon Failure Modes:\u003c\/strong\u003e The valve can fail mechanically (internal seals leak hydraulic fluid into the electrical plug) or electrically (the internal solenoid coil burns out or shorts).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Federal Military Parts (763) 310-9340","offers":[{"title":"Default Title","offer_id":67831696589044,"sku":null,"price":400.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1481\/8836\/files\/FullSizeRender_cd5d4533-22aa-499d-9260-398a0be2586c.jpg?v=1792364263","url":"https:\/\/www.federalmilitaryparts.com\/ru-de\/products\/fan-clutch-solenoid-valve-fits-military-humvee","provider":"Federal Military Parts (763) 310-9340","version":"1.0","type":"link"}