Mopar 2142125000 Seal-CRANKSHAFT Oil

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Remove the crankshaft balancer. If a seal is fitted, it requires a screwdriver or hook tool to remove it without damaging the oil pump cover bore or the crankshaft's nose and sealing surface. Another way is to drill holes on both sides and insert self tapping screws when used with a pair of pliers, the seal can be unscrewed without prying. If the seal is being replaced while the timing chain cover is off, the cover should be supported on two pieces of wood and the seal should be driven from back using a hammer and punch in a manner which will not scratch or distort the area where the seal fits so as to cause leakage. Using the clean engine oil or preferably the multi-purpose grease apply it on the outer rim of the new seal and then insert it into the cover with the lip facing inside then put a large socket on it and hit it with a hammer until it is firmly in its place and at the correct depth. If a large socket is not possible, then a piece of pipe, can be used instead. Look for wear and tear signs on the surface of the balancer hub, in particular, grooving from the constant contact with the seal; if found, the balancer will have to be changed. Coat the balancer hub with clean engine oil and then, fit the crankshaft balancer, and the rest will follow this process in the reverse manner.

Install the seal with the seal lip toward the engine and the dust seal toward the transaxle.

It is important to read the procedure carefully before starting.

The remainder of the installation is the reverse of removal.

While pressing the oil seal housing evenly, tighten the oil seal housing retainer bolts to the specified torque, ensuring the housing is flush with the oil pan mating surface of the engine to prevent oil leaks.

Drive the seal into the bore using a seal driver or a large socket and hammer until it is fully seated, ensuring the socket matches the outside diameter of the seal and that it is pressed into place until it bottoms against the cover flange.

The remainder of the installation follows the reverse order of removal.

The first step is to remove the crankshaft pulley from the engine.

Use a two-bolt puller to take off the crankshaft sprocket, ensuring the bolts are threaded into the holes in the sprocket.

Install the seal in the cover with the lip facing inward, driving it into place with a large socket and hammer, ensuring it enters squarely and is at the proper depth. If a large socket isn't available, a piece of pipe can be used.

Remove the crankshaft balancer.

After attaching the oil seal housing and slightly tightening the bolts, install special alignment tools onto the oil pan rails.

Clean the engine block, oil pan, and crankshaft, ensuring the new seal and retainer assembly has the plastic installation sleeve in place.

Use a seal driver to tap the seal into place to ensure it doesn't become tilted.

Drive the new seal in using a seal driver or a large deep socket and hammer, ensuring it is installed to the same depth as the old one.

Apply clean engine oil or multi-purpose grease to the outer edge of the new seal.

Remove the crankshaft balancer.

Yes, several special tools are required.

Lubricate the seal lips with engine oil and reinstall the crankshaft pulley.

Lubricate the inner lip of the new seal with engine oil.

Replacing the rear main oil seal requires the removal of the transaxle and driveplate.

It is important to read the procedure carefully before starting.

Remove the crankshaft balancer.

After that, unbolt the seal retainer from the engine block and slide the retainer and seal off the end of the crankshaft.