OEM 2000 GMC Jimmy Water Pump

2000 GMC Jimmy Water Pump Parts Questions & Experts Answers

• Q: How to service and repair the water pump on 2000 GMC Jimmy?

  A: You must empty the coolant from the Radiator before starting to work on the Water Pump. Begin by removing the Drive Belt before taking out the upper Fan Shroud and the cooling fan along with its associated components. For Water Pump servicing disconnect the upper Radiator Hose from the pump first and then take out Water Pump drive pulley bolts followed by the Water Pump Pulley. Sealant coating on Water Pump bolt threads. Insert new Water Pump gaskets followed by fixing the new Water Pump into place. Make sure every mating surface has clean surfaces without gasket material or burrs before assembling the parts. Install the Water Pump gaskets before putting the Water Pump onto the engine with gm p/n 12346004 sealer on bolt threads. Start the mounting bolts at 41 nm (30 ft. Lbs.) and gently put the Radiator outlet hose clamp on its end. After fitting the Water Pump drive pulley you can place the fan clutch assembly over its shroud. Install both parts and connect the Drive Belt before positioning the top Fan Shroud. After adding the proper coolant mix to the Radiator you must look for any fluid leaks in the cooling system.