{"product_id":"k152986-genuine-bendix®-brake-relay-valve-1","title":"K152986 | Genuine Bendix® Brake Relay Valve","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: ATR-6 Traction Relay Valve \u003cspan\u003e4 PSI, 12-Volts, 4 Ports \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Bendix\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e: New\u003cbr\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: K152986\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting: 3\/8-16 UNC-2B (3x) \n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eMounting Orientation (CW from Front Face): 180° \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eConnector Type: 2-Way Circular DIN (ISO 15170-1 Twist-Lock) \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eBody Configuration: 1 SUP \/ 8 DEL (6H + 2V) \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eSupply Port 1: 1\/2-14 NPT \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eInternal Supply Passage to Cover: Yes \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eControl Port: 1\/4-18 NPT \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eControl Port Orientation (CW from Front Face): 0° \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 1: 1\/2-14 NPT \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 2: 1\/2-14 NPT \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 3: 1\/2-14 NPT \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 4: 1\/2-14 NPT \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 5: Closed Port \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 6: Closed Port \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 7: Closed Port \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eDelivery Port 8: Closed Port \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eExhaust Port: Dust Shield \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eCrack Pressure: 4.0 PSI \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eTMC Washer: RV040 \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eVoltage (Nominal): 12 Volts \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eMaximum Operating Temperature: 185 °F (85 °C) \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"row col-sm-12 bottom-border\"\u003e\n\u003cdiv class=\"col-xs-4 col-sm-4 col-md-4 label\"\u003eMinimum Operating Temperature: -40 °F (-40 °C) \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAn ATR-6 (Antilock Traction Relay) valve is a heavy-duty air brake control valve used on commercial trucks and buses equipped with ABS (Anti-lock Braking System) and traction control.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cstrong\u003e1. Fast brake application and release\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLike a standard relay valve, the ATR-6 is mounted close to the brake chambers. It allows air to flow directly from a nearby air reservoir to the brakes instead of traveling all the way from the foot valve, which:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces braking delay\u003c\/li\u003e\n\u003cli\u003eImproves brake response\u003c\/li\u003e\n\u003cli\u003eHelps the vehicle stop more predictably\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2. ABS operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen the ABS detects that a wheel is about to lock during braking, the electronic controller can command the ATR-6 to adjust brake pressure at that axle.\u003cbr\u003eThis helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrevent wheel lockup\u003c\/li\u003e\n\u003cli\u003eMaintain steering control\u003c\/li\u003e\n\u003cli\u003eReduce skidding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e3. Traction control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen a drive wheel spins on a slippery surface (snow, ice, mud, wet pavement), the traction control system can use the ATR-6 to apply brake pressure to the spinning wheel.\u003cbr\u003eThis:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTransfers torque to the wheel with better grip\u003c\/li\u003e\n\u003cli\u003eHelps the truck get moving\u003c\/li\u003e\n\u003cli\u003eImproves stability during acceleration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003e\u003cbr\u003e\u003cstrong\u003eSigns of Faulty:\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp\u003e\u003cstrong\u003e1. Air leak near the valve\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne of the most common failures is an internal or external air leak.\u003c\/p\u003e\n\u003cp\u003eSymptoms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHissing sound around the valve\u003c\/li\u003e\n\u003cli\u003eAir system takes longer to build pressure\u003c\/li\u003e\n\u003cli\u003eCompressor runs more frequently\u003c\/li\u003e\n\u003cli\u003eDifficulty maintaining air pressure when parked\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2. ABS warning light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the electrical solenoid or wiring associated with the ATR-6 fails, the ABS controller may detect a fault.\u003c\/p\u003e\n\u003cp\u003eSymptoms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eABS light stays on\u003c\/li\u003e\n\u003cli\u003eStored ABS fault codes\u003c\/li\u003e\n\u003cli\u003eABS system becomes disabled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e3. Traction control warning light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause the ATR-6 is used for traction control on many trucks, a failure can trigger:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTraction control warning lamp\u003c\/li\u003e\n\u003cli\u003eLoss of automatic traction assistance on slippery roads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e4. Brakes apply slowly or release slowly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe relay-valve portion may stick internally.\u003c\/p\u003e\n\u003cp\u003eSymptoms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDelayed brake response\u003c\/li\u003e\n\u003cli\u003eBrakes dragging after pedal release\u003c\/li\u003e\n\u003cli\u003eUneven brake feel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e5. Drive axle brakes behave abnormally\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA sticking or malfunctioning ATR-6 may cause:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne axle braking harder than expected\u003c\/li\u003e\n\u003cli\u003eErratic brake application\u003c\/li\u003e\n\u003cli\u003eUnexpected wheel lockup under some conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e6. Poor traction on slippery surfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the traction-control function isn't working:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDrive wheels spin more easily\u003c\/li\u003e\n\u003cli\u003eReduced ability to start on snow, ice, gravel, or mud\u003c\/li\u003e\n\u003cli\u003eTruck gets stuck more readily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e7. ABS fault codes related to pressure modulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommon diagnostic systems may log faults involving:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTraction relay valve circuit\u003c\/li\u003e\n\u003cli\u003eABS modulator performance\u003c\/li\u003e\n\u003cli\u003eSolenoid open circuit\u003c\/li\u003e\n\u003cli\u003eSolenoid short circuit\u003c\/li\u003e\n\u003cli\u003eValve response errors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003eA part of the Knorr-Bremse Group, Bendix® provides the automotive and truck parts industry with cutting-edge energy management solutions, active safety technologies, and air brake charging for tractors, buses, commercial vehicles, trailers, as well as medium- and heavy-duty trucks throughout North America. Headquartered in Elyria, Ohio, Bendix Commercial Vehicle Systems employs over 3,200 people who work hand in hand for the accomplishment of the brand's vision: \"to become the leading worldwide supplier of active vehicle safety systems within the commercial vehicle industry.\" This brand takes pride in being the first to introduce many notable parts and technologies to the North American commercial vehicle market. Among these many firsts are the groundbreaking air brake system technologies such as air dryers, air compressors, and ABS. At Bendix, exceeding industry standards is a strict requirement.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bendix","offers":[{"title":"Default Title","offer_id":48760865030388,"sku":"K152986","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/products\/k070951_3_7a9c78bd-ba1d-4e0d-8a39-12497ed16c96.png?v=1709483649","url":"https:\/\/firsttruckparts.com\/en-ca\/products\/k152986-genuine-bendix%c2%ae-brake-relay-valve-1","provider":"First Truck Parts","version":"1.0","type":"link"}