OEM 2006 Toyota Sienna Water Pump

2006 Toyota Sienna Parts Questions & Experts Answers

• Q: How to service and repair the water pump on 2006 Toyota Sienna?

  A: To service and repair the water pump, begin by draining the coolant and removing the front wheel RH, front wiper arm head cap, front wiper arms RH and LH, cowl top ventilator louver sub-assembly, wiper link assembly, No. 1 cowl top cowl brace inner, cowl top panel sub-assembly outer front, front fender apron seal RH, No. 1 V (cooler compressor to crankshaft pulley) belt, vane pump V belt, engine moving control rod, engine mounting stay No. 2 RH, No. 2 generator bracket, crankshaft pulley, timing belt No. 1 cover, timing belt No. 2 cover, engine mounting bracket RH, No. 2 timing belt guide, timing belt, No. 2 timing belt idler sub-assembly, camshaft timing pulley, timing belt No. 3 cover, and No. 1 timing belt idler sub-assembly by using a 10 mm socket hexagon wrench to remove the pivot bolt, timing belt idler No. 1, and plate washer. The water pump assembly requires removal by unfastening three bolts and nuts and withdrawing the water pump itself. Begin installation by adding a new gasket to the water pump before adding the 3 bolts and 3 nuts with 8.0 Nm (82 kgf-cm, 71 inch lbs.) torque. After that, use a 10 mm socket hexagon wrench to fit the plate washer along with timing belt idler No. 1 using its pivot bolt and torque to 34 Nm (347 kgf-cm, 25 ft. lbs.). The sequence continues with timing belt No. 3 cover installation followed by camshaft timing pulley installation then the No. 2 timing belt idler sub-assembly before timing belt inspection and finishing with the timing belt installation alongside No. 1 chain tensioner assembly, No. 2 timing belt guide, engine mounting bracket No. 2 RH, timing belt No. 2 cover, timing belt No. 1 cover, crankshaft pulley, No. 2 generator bracket, engine mounting stay No. 2 RH, engine moving control rod, vane pump V belt, and No. 1 V (cooler The cowl top panel sub-assembly outer front should be installed with the No. 1 cowl top to cowl brace inner and wiper link assembly and both front wiper arms LH and RH followed by the installation of the front wheel RH. The process ends with adding coolant followed by engine coolant leakage inspection.