Question 1

How to install the water pump assembly on Toyota Camry?

Accepted Answer

The installation of 2AZ-FE cooling system water pump assembly starts by removing all existing seal packing from contact surfaces then applying a continuous Black Toyota Genuine Seal Packing or Three Bond 1207B or similar to achieve a standard 2.2 to 2.5 mm (0.09 to 0.10 in.) diameter. The parts should be placed within a three-minute window after seal packing application. Any delayed installation will require removal of the material and reapplication. Fit the water pump and clamp bracket through four bolts and two nuts while tightening them to 9.0 Nm (92 kgf-cm, 80 in-lbf). The water pump receiving wire from the crankshaft position sensor must be installed on the clamp bracket before securing the clamp around the pump. To install the water pump pulley mount it with 4 bolts using Special Service Tool: 09960-10010 09962-01000 09963-00700 while torquing bolts to 26 Nm (265 kgf-cm, 19 ft-lbf). Add the generator assembly followed by V-ribbed belt and the No. 2 engine mounting bracket RH and engine moving control rod sub-assembly and the No. 2 engine mounting stay RH. Gather the cable from the negative terminal then hook it onto the battery while filling the engine with coolant and verifying for any fluid leakage. The installation process should conclude with the engine under cover on both LH and RH sides and front wheel opening extension pads on both RH and LH sides.

Question 2

How to service and repair the water pump on Toyota 4Runner?

Accepted Answer

Begin water pump servicing by removing the timing belt along with the water inlet and the thermostat before disconnecting the No.2 oil cooler hose from the water pump and extracting the component itself. The inspection of the water pump for coolant leakage at both the water and air holes should lead to water pump replacement. Additionally, if coolant reaches the timing belt it requires a new timing belt. A smooth and quiet operation of the water pump pulley requires testing the bearing for proper function so if any issues occur the pump should be replaced. The fluid coupling service requires removal of its 4 nuts and fan. Check the fluid coupling for damage as well as silicon oil leaks. Replace the coupling if needed before reinstalling the fan with its 4 nuts tightened to 7.4 Nm (75 kgf-cm, 65 inch lbs.). Inspect both the fan pulley bracket for smooth operation and check whether it needs replacement while testing the timing belt machine. First clean the water pump and cylinder block touch surfaces by removing all old packing material (FIPG) through a combination of razor blade and gasket scraper work then finish the components with non-residue solvent cleaning. Seal packing (Part No. 08826-00100 or equivalent) needs a 2 - 3 mm (0.08 - 0.12 inch) opening nozzle to apply to the water pump groove. Assemble the parts within 5 minutes of application but reapply if assembly occurs later. You need to apply the provided seal packing before you can install the 7 bolts of the water pump but you must tighten these bolts to 20 Nm (200 kgf-cm, 14 ft. lbs.). Afterward install the No.2 oil cooler hose followed by the thermostat and water inlet assembly and complete by attaching the timing belt.

Question 3

How to remove and install a water pump on Toyota Tacoma?

Accepted Answer

The water pump removal requires starting with disconnecting the negative cable from the battery terminal followed by disassembly of the No. 1 engine under cover sub-assembly using the removal sequence of all 4 bolts. Drain the engine coolant while taking out the 3 bolts from the radiator support to frame seal LH and fan shroud and generator assembly and V-ribbed belt tensioner assembly. The first step toward water pump assembly removal must involve the removal of 10 bolts and the gasket. Visual examination of the water hole and air hole should be done to inspect coolant leaks. If leakage occurs the water pump needs replacement. Physical testing of the water pump bearing by turning the pulley seat will reveal motion without any noise; the pump must be replaced when necessary. Installation requires a new gasket and the water pump which must be put in place using the 10 bolts and tightening bolt A to 21 Nm (214 kgf-cm, 15 ft. lbs.) while bolt B reaches 9 Nm (92 kgf-cm, 80 inch lbs.). Secure and tighten bolt B of the V-ribbed belt tensioner first to 40 Nm (408 kgf-cm, 30 ft. lbs.) before torquing bolt A to 21 Nm (214 kgf-cm, 16 ft. lbs.). To install Bolt C position the bolt holes of the V-ribbed belt tensioner and timing chain cover correctly before tightening Bolt C to 43 Nm (434 kgf-cm, 32 ft. lbs.). Put the generator assembly together with the fan shroud, radiator support until they reach frame seal LH. The negative battery terminal receives a cable which requires a torque setting of 3.9 Nm (40 kgf-cm, 35 inch lbs.) then follows additive engine coolant procedures and under cover sub-assembly No. 1 gets installed with 4 bolt attachments at 30 Nm (306 kgf-cm, 22 ft. lbs.).

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