Question 1

How to replace the knock sensor on Toyota Camry?

Accepted Answer

The first step for knock sensor replacement requires engine coolant drainage before removing the air cleaner cap together with the air cleaner hose. You must disconnect the throttle body along with the intake manifold by removing 5 bolts and the 2 nuts. Afterward remove both the intake manifold and gasket. To change out the knock sensor start by disconnecting its connector before removing and unthreading the retaining nut. First fasten the new knock sensor with the nut while applying 20 N.m (204 kgf.cm, 15 ft.lbf) torque and then connect the knock sensor connector. Use new gaskets when installing the intake manifold with the 5 bolts and 2 nuts where torque reaches 30 N.m (306 kgf.cm, 22 ft.lbf). You should replace the throttle body assembly then reinstall it together with the air cleaner cap and the air cleaner hose. Check the vacuum hose connections before adding engine coolant then verify there are no engine coolant leaks.

Question 2

How to install the knock sensor and related components on Toyota Camry?

Accepted Answer

Fasten the knock sensor using the nut while verifying correct positioning followed by a torque of 20 Nm (204 kgf-cm, 15 ft-lbf). Attach the knock sensor connector as the next step. You should apply a new manifold gasket before installing the 5 bolts with 2 nuts while tightening them to 30 Nm (306 kgf-cm, 22 ft-lbf). The installer should connect the union with the check valve hose to the vacuum hose clamp before installing the wire harness clamp while connecting the camshaft timing oil control valve connector between these two components. The final step is attaching the check valve hose union toward the brake booster. After installing the fuel delivery pipe first place the injector and then the fuel tube followed by throttle body, air cleaner case sub-assembly along with air cleaner cap sub-assembly and air cleaner inlet assembly. Succeed in connecting the negative cable to the battery along with engine coolant addition and fuel leakage examination. Position the No. 1 engine cover sub-assembly before adding the cowl top panel outer sub-assembly by inserting 4 bolts and 4 nuts which require torques at 5.0 Nm (51 kgf-cm, 44 in-lbf) and 85 Nm (867 kgf-cm, 44 ft-lbf). The final assembly includes the windshield wiper motor alongside both links combined with the ventilator louver assembly and front fender seals connecting to cowl side points and the windshield wiper blade units for left and right-hand sides.

OEM Toyota Camry Knock Sensor

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Toyota Camry Knock Sensor

Toyota Camry Knock Sensor

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Toyota Camry Knock Sensor

Toyota Camry Knock Sensor

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Toyota Camry Knock Sensor

Toyota Camry Knock Sensor Parts and Q&A

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