Buick 12598209 Sensor Assembly, Camshaft Position <Use 12F 36

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To remove the camshaft position sensor 3.0L and 3.6L V6 engines have four camshaft sensors. If replacing the CMP sensor on the right side, remove the air filter housing. For the left side replacement on 2013 and later 3.6L models, remove the front engine mount. Installation is the reverse of removal. The 2.4L four-cylinder engine has two camshaft sensors, the intake camshaft position sensor located below the fuel pump, and the exhaust camshaft sensor located at the corner of the cylinder head above the exhaust manifold. To remove the intake camshaft position sensor, remove the fuel pump cover, disconnect the electrical connector, and remove the mounting bolt and the sensor from the cylinder head.

At the front and on top of the block, right behind the timing chain cover is where you can locate the CMP sensor. Disconnect the electrical connector to remove Camshaft Position (CMP) sensor from a V6 engine, then remove the sensor mounting bolt. After that, take out CMP sensor retaining bolt and CMP sensor itself. Remove the old CMP sensor 0-ring and throw it away. Installation is opposite of removing. Make sure a new 0-ring is used, lube it with clean engine oil film and tighten the CMP sensor bolt securely. To find the CMP sensor on timing chain cover for V8 models, use a flashlight. The electrical connector from the CMP sensor should be disconnected while taking off the sensor mounting bolt. Remove both: CMP sensor retaining bolt and CMP sensor itself. Its installation is reverse of removal process. The 0-ring should be lubricated with clean engine oil while tightening it securely to ensure that there are no leaks.

Start by removing the air intake duct and disconnecting the CMP sensor electrical connector. Then, remove the mounting bolt and the CMP sensor. For installation, simply reverse the removal steps.