Toyota 17120-0S012 Manifold Assembly, INTAK

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Remove the lower intake manifold bolts and then remove the lower intake manifold by detaching the ten mounting bolts.

1. Remove all traces of old gasket from the intake manifolds and clean the mating surfaces with brake system cleaner. 2. Install new gaskets into the grooves on the manifold. Position the intake manifold on the engine and install the fasteners. 3. Tighten the fasteners in three or four equal steps to the specific torque, working from the center outwards to avoid warping. 4. Install the remaining parts in the reverse order of removal. 5. Refill the cooling system. Run the engine and check for fuel, vacuum, and coolant leaks around the throttle body hoses.

1. Remove the engine cover. 2. Remove the windshield wiper motor and linkage. 3. Remove the eight cowl panel bolts and the cowl. 4. Drain the cooling system. 5. Remove the air intake duct. 6. Remove the throttle body. 7. Clearly label and detach all wires, hoses, and brackets attached to the intake manifold. 8. Disconnect the water bypass hoses and move them out of the way. 9. Remove the fuel rail insulators from both sides of the engine. 10. Disconnect the wiring harness clamps at the rear of the intake manifold. 11. Remove the mounting nuts and bolts, then detach the intake manifold from the cylinder heads, starting with the outer bolts and working towards the inner bolts. Make several passes to ensure even separation. If it's stuck, do not pry between the gasket mating surfaces to avoid damage.

Remove the two intake manifold mounting nuts and four mounting bolts, then remove the upper intake manifold.