Q: How to Install the Intake Air Resonator, Air Filter Box, Battery, and Cool Air Intake Duct Seal on Toyota Highlander?
A: Both installation steps related to the intake air resonator require tightening the bolt. Fasten the bolt by positioning the tab from the air filter box cap inside the No. 1 air filter box hose groove. The No. 3 intake control valve assembly can be installed using the 2 attached claws. Insert the 3 bolts on the air filter box sub-assembly with a torque setting of 5.0 Nm (51 kgf-cm, 44 in-lbf). Then link the hose and connector. When installing the air filter box cap sub-assembly you should place the air filter element in position then position the air filter box hose groove on top of the throttle body alignment tab before securing the clamp. The installation of the air filter box cap requires 2 bolts with clips tightened to 5.0 Nm (51 kgf-cm, 44 in-lbf) alongside connector attachment of 3 vacuum hoses and the mass air flow meter connector and No. 2 ventilation hose and fuel vapor feed hose assembly. Competently install the No. 1 air filter box inlet with 2 bolts while using 7.0 Nm (71 kgf-cm, 62 in-lbf) and 5.0 Nm (51 kgf-cm, 44 in-lbf) torque settings and finally connect the 2 vacuum hoses. Fasten the N.2 air filter box inlet through two bolts measuring 7.0 Nm (71 kgf-cm, 62 in-lbf) torque before setting both vacuum hoses and harness clamps. Before reattaching the battery cable users must initialize specific systems according to the installation guidelines. The battery tray installation should be followed by the battery placement then secure both the clamp with bolts and nuts applying 5.4 Nm (55 kgf-cm, 47 in-lbf). Begin by connecting the positive battery terminal followed by tightening the nut to 6.4 Nm and proceeding with the negative terminal and matching nut torque. In the final step you must install the cool air intake duct seal by utilizing 11 clips.