Nissan 13510-53J01 Seal-Oil,Crankshaft Front

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Remove the crankshaft pulley from the engine. Carefully pry the seal out of the cover with a seal removal tool or a large screwdriver, being careful not to nick or gouge the seal bore or the crankshaft. Be careful not to scratch, gouge or distort the area that the seal fits into or an oil leak will develop. Clean the bore to remove any old seal material and corrosion. Position the new seal in the bore with the seal lip (usually the side with the spring) facing IN (toward the engine). A small amount of oil applied to the outer edge of the new seal will make installation easier. Drive the seal into the bore with a seal driver or a large socket and hammer until it's completely seated. Select a socket that's the same outside diameter as the seal and make sure the new seal is pressed into place until it bottoms against the cover flange. Check the surface of the damper that the oil seal rides on. If the surface has been grooved from long-time contact with the seal, a press-on sleeve may be available to renew the sealing surface. This sleeve is pressed into place with a hammer and a block of wood and is commonly available from most auto parts stores. Lubricate the seal lips with engine oil and reinstall the crankshaft pulley. Install the crankshaft pulley retaining bolt and tighten it to the specific torque. The remainder of installation is the reverse of the removal. Run the engine and check for oil leaks.

Before installing the retainer, RTV sealant should be applied to the retainer housing to block the surface, and dowel pins should be in place.

Carefully work the lip of the seal onto the seal journal of the crankshaft without rushing it.

After removing the old seal, clean the bore to eliminate any remnants of the old seal material and corrosion.

Carefully pry out the old seal with a seal removal tool or screwdriver.

Install the oil seal by pressing it into position with the seal installation tool. When the seal is bottomed in the housing, don't turn the bolt any more or you'll damage the seal.

Install and tighten the retainer bolts securely.

Apply multi-purpose grease to the crankshaft seal journal and the lip of the new seal.

Remove the crankshaft pulley, timing belt covers, and timing belt.

The first step when installing a one-piece seal for the crankshaft is to install the crankshaft itself and bolt the main bearing caps in place.

Carefully work the lip onto the seal journal of the crankshaft, taking care not to rush and damage the seal.

Slowly and carefully push the seal onto the crankshaft, using a smooth object such as the end of a socket extension, while pushing the retainer against the block.