Q: How to replace a rear crankshaft seal on 4 cylinder Nissan Altima?
A:
Remove the transaxle and then take out the flywheel/driveplate. Use a screwdriver wrapped with tape to pry the Crankshaft Seal out, being careful not to gouge or nick the housing. Lubricate the crankshaft seal journal and the lip of the new Crankshaft Seal with multi-purpose grease. Install the Crankshaft Seal with the seal lip toward the engine and the dust seal toward the transmission. Tap the Crankshaft Seal into place using a seal driver to ensure it doesn't become tilted. Install the Crankshaft Seal so that its rear edge is flush with the face of the engine block or up to 0.020 inch recessed. The remaining steps are the reverse of removal. Reconnect the battery and perform the necessary re-learn procedures.
Q: How to replace the rear Crankshaft Seal and rear oil seal retainer on 2.4L four cylinder Nissan Frontier?
A:
Remove the transmission. Remove the flywheel/driveplate. Remove the rear Crankshaft Seal retainer from the block by unbolting the rear Crankshaft Seal retainer from the engine block and oil pan. Scrape any sealant or gasket material from the retainer, oil pan and the block. Position the seal and retainer assembly between two wood blocks, to evenly support the aluminum housing, and drive the old seal out with a hammer and punch. A screwdriver can also be used to pry the seal out, being careful not to gouge or nick the housing during seal removal. Place the new seal squarely on the retainer and drive it into the retainer with a wood block or a section of pipe slightly smaller in diameter than the outside diameter of the seal. Lubricate the crankshaft seal journal and the lip of the new seal with multi-purpose grease. Apply a continuous 1/8-inch bead of RTV sealant around the perimeter of the seal retainer. Also apply sealant to the bottom of the retainer (oil pan mating surface). Slowly and carefully push the seal onto the crankshaft. The seal lip is stiff, so work it onto the crankshaft with a smooth object such as the end of a socket extension as you push the retainer against the block. Install and tighten the retainer bolts securely. The remaining steps are the reverse of removal.
Q: How to remove and replace the front crankshaft seal on a Nissan Murano?
A:
Remove the crankshaft pulley. While removing the seal, one should use seal removal tool or any available large screwdriver with an effort not to spoil the seal bore or the crankshaft of the car. Do not scrape, cut, or mar any portion of the seal mating surface as this will result to leakage of the oil. It is then necessary to clean up the bore to ensure there is no old seal material and corrosion; place the new seal with the lip side inwards towards the engine. This practice also implies that a small amount of oil should be applied to the outer edge of the new seal for easier installation. Insert the seal into the bore with a large socket and hammer where the outside of the socket is as wide as the inside of the case and drive the new seal in until it has a flat face against the bottom of the case. Look at the face of the damper where the oil seal touches it; if it has a groove due to long contact with the former seal, the new one will have a tendency to leak, therefore, requiring the crankshaft pulley. Coat the seal lips with engine oil before replacing the crankshaft pulley and fastening it with the bolt, tighten this bolt to the specified tension. Proceed and perform the removal step reversals to complete the installation then start the engine and inspect for signs of oil leaking.