OEM 2008 Toyota Sienna Knock Sensor

2008 Toyota Sienna Parts Questions & Experts Answers

• Q: How to remove the knock sensor on 2008 Toyota Sienna?

  A: The first step to detach the knock sensor from the 2GR-FE control system involves draining fuel system pressure. Proceed to the next step where you should remove the V-bank cover sub-assembly followed by draining the engine coolant and afterward removing the windshield wiper motor assembly. First detach the front outer cowl top panel sub-assembly after which you must remove the air cleaner cap sub-assembly along with the air cleaner case sub-assembly. The boolean operation to disassemble the intake air surge tank assembly requires disconnecting seven components including the throttle body by-pass hoses along with the vapor feed hose, throttle body connector and clamp, ventilation hose, union to check valve hose, and connector. Proceed by using a 5 mm socket hexagon wrench to remove the 4 bolts, after which take off the 2 nuts, 2 bolts, and the intake air surge tank followed by removing the gasket from the intake air surge tank. The technician must take out the fuel main tube sub-assembly and the intake manifold after completing these steps. To conclude the operation disconnect the knock sensor connectors followed by removing the bolts then remove the knock control sensors.