Question 1

How to remove the intake manifold on Toyota Corolla?

Accepted Answer

First step for removing an intake manifold from a 2ZR-FE engine is to drain all engine coolant. Begin by taking out the No. 2 cylinder head cover then execute the removal of air cleaner cap sub-assembly along with the throttle body assembly. You should begin the intake manifold removal by detaching the wire harness bracket followed by bolt removal then disconnecting three hoses before taking out four bolts and two nuts and removing the intake manifold stay and finally extracting the intake manifold. You need to remove both the intake manifold gasket followed by the bolt accompanied by the bracket. remove the two stud bolts from the intake manifold by using a "TORX" socket E6.

Question 2

How to install the intake manifold on Toyota RAV4?

Accepted Answer

The first task for installing the 2AR-FE engine intake manifold involves fitting the intake air control valve actuator for the TCV. The clamp installation on the intake manifold should be followed by the purge line hose connection at the clamp interface. You should install the wiring harness clamp bracket through a bolt application at 10 Nm (102 kgf-cm, 7 ft-lbf) torque. The check valve installation requires two vacuum hoses to connect to the intake manifold as per the installation checklist. The installer must attach the connector tube hose with union to the intake manifold. The tumble control valves should stay closed during intake manifold installation to avoid damage while both the manifold and the gasoline tank parts must be assembled using 6 bolts at 21 Nm (214 kgf-cm, 15 ft-lbf). After connecting the No. 2 ventilation hose to the intake manifold you must proceed with the fuel delivery pipe sub-assembly installation. Secure the vacuum switching valve assembly for ACIS with a bolt to a torque of 9.0 Nm (92 kgf-cm, 80 in-lbf) while attaching the 2 vacuum hoses and union to connector tube hose. You should clamp and connect the wire harness before installing the bracket with a bolt tightened to 10 Nm (102 kgf-cm, 7 ft-lbf). Then attach the intake air control actuator connector before securing the wire harness with bolts and clamps. Use 2 bolts to join the 2 wire harness brackets at 10 Nm (102 kgf-cm, 7 ft-lbf). Each bolt should achieve this torque. After which, connect the 2 connectors along with their 4 injector connectors. After assembly of the fuel tube sub-assembly and throttle body assembly and air cleaner cap sub-assembly one should proceed with installation. First attach the outlet heater water hose to both the by-pass pipe and heater radiator unit followed by the inlet heater water hose connection to the cylinder head and heater radiator unit. The hose requires installation through the hose tube using two nuts tightened to 5.4 Nm (55 kgf-cm, 48 in-lbf) before attaching the hose. Secure the tube end of connector tube hose to the tube using the union component. Fasten the cowl top outer panel sub-assembly using 14 bolts which need tightening to a torque of 7.0 Nm (71 kgf-cm, 62 in-lbf) followed by attaching 3 clamps. The cowl ventilator housing sub-assembly requires four clamps for installation before installing the front wiper motor and link. To complete the procedure, attach the cable to the negative battery terminal, add engine coolant and inspect for coolant and fuel leaks before installing the No. 1 engine under cover and No. 1 engine cover sub-assembly.

Question 3

How to remove the intake manifold on Toyota Tundra?

Accepted Answer

The first step to remove an intake manifold on a 1GR-FE engine demands a fuel system pressure discharge. After disconnecting the negative battery cable you should note that some systems need a reset once you reconnect it. The first task is to remove the No. 1 under engine cover and drain all engine coolant from the system. Start by removing the front wiper motor and links and then disconnect the front cowl top outer panel sub-assembly through the process of unclipping two washer hoses and removing seven bolts. Start by uninstalling the V-bank cover through the process of removing its 2 nuts. To begin the process remove the No. 2 air cleaner hose by first releasing the clamp fastener and following with the removal of 2 bolts. Start by disconnecting the No. 2 ventilation hose and detaching its hose clamp and vacuum hose as well as separating the MAF meter connector and detaching 2 wire harness clamps using a clip remover before loosening the hose clamp to remove the 2 bolts of the air cleaner assembly with element. To work on the intake air surge tank, you must disconnect eight elements: throttle position sensor and throttle control motor connector with the No. 4 and No. 5 water by-pass hoses, purge line hose, purge VSV connector and union to check valve hose, and finally the No. 1 ventilation hose along with the vacuum switching valve connector. Start by using a clip remover to detach wire harness clamps then remove 2 bolts holding the throttle body bracket, the clamp and bolt from the wire harness and finally uninstall the No. 1 and No. 2 surge tank stays by removing 2 bolts. Finish the process by unscrewing the 2 nuts then use an 8 mm hexagon wrench to detach 4 bolts from around the intake air surge tank and gasket. Remove the fuel delivery pipe sub-assembly followed by the intake manifold sub-assembly by taking out the 10 bolts and two gaskets and the intake manifold.

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