Mopar 4884111AA Seal-CAMSHAFT Sensor

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Do not rotate the camshaft(s) or crankshaft when the timing belt is removed or damage to the engine may occur. Begin by removing the timing belt cover and timing belt. Rotate the crankshaft counterclockwise until the crankshaft sprocket is three teeth BTDC to prevent engine damage if the camshaft sprocket is inadvertently rotated during removal. If equipped with a rear timing belt cover, remove the upper part. Use a pin spanner to hold the sprocket from turning and remove the camshaft sprocket bolt(s), then lever the sprocket(s) off the camshaft with two large screwdrivers. Carefully pry the seal out with a small screwdriver, ensuring not to nick or scratch the camshaft or seal bore, as damage will cause the new seal to leak. Clean the bore and coat the outer edge of the new seal with engine oil or multi-purpose grease, also lubricating the seal lip. Using a socket with an outside diameter slightly smaller than the seal, gently tap the new seal into place with the spring side toward the engine, ensuring it is installed squarely and flush with the head; a short section of pipe can be used if a socket isn't available. If equipped with a rear timing belt cover, install the upper part. Install the camshaft sprocket, aligning the pin in the camshaft with the hole in the sprocket, and use an appropriate tool to hold the camshaft sprocket(s) while tightening the bolt(s) to the specified torque. Reinstall the timing belt and run the engine, checking for oil leaks at the camshaft seal.

Take off the timing belt and the sprocket of camshaft. Take the tip of a small screwdriver and wrap it with tape and use it to gently remove the seal, try as much as possible not to scratch the camshaft journal in order to avoid leakage. Scrub and inspect the seal bore on the camshaft and it's journal so that they are clean as well as smooth; wash off small burrs with emery cloth or 400-grit sand paper. If there is grooving from the contact of the seal lip into the journal then it may mean that fitting a new seal will not solve the problem because the camshaft or the bearings in the caps could be worn and may require overhauling of the cylinder head, or replacement of the head or the camshaft. Apply a thin film of clean engine oil, or moly-base grease to the lip of the new seal and gently drive the seal in place with a heavy socket or pipe and hammer; very lightly if no socket is available drive this lip around the outer circumference of the bearing bore with the large flared end of a punch not cocking the seal in the bore. After that, the camshaft sprocket and the timing belt must be installed; now start the engine and check for leaks.

You should not rotate the camshaft(s) or crankshaft when the timing belt is removed, as this may cause damage to the engine.

Next, remove the idler pulley and the bolts holding the rear cover to the engine block and cylinder head, then take off the rear cover.

Clean the bore and coat the outer edge of the new seal with engine oil or multi-purpose grease, also lubricating the seal lip.

Hold the camshaft sprocket and remove the camshaft sprocket bolt. It is recommended to use a strap-type pulley holder tool for this task. If that is unavailable, two large screwdrivers can be used to pry the sprocket off the camshaft, or the valve cover can be removed to access the camshaft wrenching flats.

You need to remove the drivebelts, crankshaft pulley, and timing belt.

They have a timing belt pulley assembly and a separate tensioner.