{"product_id":"transfer-case-pump-upgrade-kit-merchant-automotive-10001","title":"Transfer Case Pump Upgrade Kit Merchant Automotive 10001","description":"\u003cp\u003eFITS: GM transfer case models 1998-2007 136, 146, 246, 261, 261HD, 263HD, 263XHD, 261XHD - IMPORTANT: Professional installation is highly recommended - REQUIRED FOR INSTALL: Transfer case must be removed and disassembled.\u003c\/p\u003e\u003cp\u003eHere is the best upgrade you can make to your GM transfer case (model 136, 146, 246, 261, 261HD, 263HD, 263XHD, 261XHD).\u003c\/p\u003e\u003cp\u003ePrevent the ever-increasing problem of pump rub.\u003c\/p\u003e\u003cp\u003eWhat is 'pump rub'?\u003c\/p\u003e\u003cp\u003eThe GM transfer cases use a gear pump inside the case that is driven off the mainshaft.\u003c\/p\u003e\u003cp\u003eThe pump forces oil to the planetary as well as the drive sprocket sleeve.\u003c\/p\u003e\u003cp\u003eBecause the pump is driven by the shaft, the housing of the pump must 'float' in the rear housing.\u003c\/p\u003e\u003cp\u003eThere are 5 tabs around the housing that fit into spots in the rear housing to position the pump.\u003c\/p\u003e\u003cp\u003eOver time, the pump can start to wear on the rear housing.\u003c\/p\u003e\u003cp\u003eGM installed a spring steel clip in the housing intended to prevent wear, but the clip can break and become useless.\u003c\/p\u003e\u003cp\u003eBeing that the pump housing is aluminum and is a harder material than the magnesium rear housing, it can wear a hole in the rear housing and cause a very small leak.\u003c\/p\u003e\u003cp\u003eThis leak is high enough in the case that it typically will not leak when the vehicle is not moving and therefore not leaving any drops on the ground.\u003c\/p\u003e\u003cp\u003eTypically, the condition is not found until there is transfer case damage from running the case out of fluid.\u003c\/p\u003e\u003cp\u003eAvoid costly repairs to your transfer case by preventing this condition.\u003c\/p\u003e","brand":"Merchant Automotive","offers":[{"title":"Default Title","offer_id":51772698525978,"sku":"MAT10001","price":81.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/61OhndljsFL.jpg?v=1772407604","url":"https:\/\/trybeepbeep.com\/products\/transfer-case-pump-upgrade-kit-merchant-automotive-10001","provider":"TryBeepbeep","version":"1.0","type":"link"}