Nissan 31375-41X01 Seal-Oil,Adapter Case

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Raise the vehicle and support it securely on jackstands. For the front output shaft seal, a flange holding tool or chain wrench will be required to keep the companion flange from moving while the nut is loosened. Remove the flange nut, withdraw the flange, pry out the old seal and discard it, lubricate the lips of the new seal and the seal case with multi-purpose grease, then tap it evenly into position with a seal installation tool or a large socket, install the companion flange, apply a bead of RTV sealant to the ends of the splines visible in the center of the flange, install the nut and tighten it to the torque, install the driveshaft and check and, if necessary, add the recommended type of lubricant to bring the level up to the bottom of the filler hole. For the rear output shaft seal, pry out the old seal and discard it, lubricate the lips of the new seal and the seal case with multi-purpose grease, then tap it evenly into position with a seal installation tool or a large socket, install the driveshaft and check and, if necessary, add the recommended type of lubricant to bring the level up to the bottom of the filler hole. For the shift shaft oil seal, mark the relationship of the lever to the shift shaft, detach the linkage from the lever, then loosen the pinch bolt and slide the lever off the shaft, carefully pry the seal out of the case, lubricate the new seal with multi-purpose grease, then install it over the shaft and tap it into place with an appropriately sized deep socket, install the lever onto the shaft and tighten the pinch bolt securely, reconnect the linkage to the lever, install the bolt and tighten it securely, and check and, if necessary, add the recommended type of lubricant to bring the level up to the bottom of the filler hole.

Remove the driveshaft to access the extension housing oil seal.

Lubricate the splines of the transmission output shaft and the outside of the driveshaft yoke with lightweight grease before reinstalling the driveshaft.

Remove the flange nut, withdraw the flange, pry out the old seal and discard it. Lubricate the lips of the new seal and the seal case with multi-purpose grease. Tap the new seal evenly into position with a seal installation tool or a large socket. Install the companion flange and apply a bead of RTV sealant to the ends of the splines visible in the center of the flange. Install the nut and tighten it to the specified torque. Finally, install the driveshaft and check the lubricant level, adding the recommended type of lubricant to reach the bottom of the filler hole if necessary.

Lubricate the splines of the transmission output shaft and the outside of the driveshaft yoke with lightweight grease before reinstalling the driveshaft.

To replace the seal, start by raising the vehicle and ensuring it's securely supported on jackstands.

Before installing the driveshaft, lubricate the splines of the transmission output shaft and the outside of the driveshaft yoke with lightweight grease.

Replacement of these seals is relatively easy, as repairs can usually be performed without removing the transmission from the vehicle.

Pry out the old seal and discard it. Lubricate the lips of the new seal and the seal case with multi-purpose grease. Tap the new seal evenly into position with a seal installation tool or a large socket. Install the driveshaft and check the lubricant level, adding the recommended type of lubricant to reach the bottom of the filler hole if necessary.