Toyota 90311-A0005 Seal, Oil

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To remove the crankshaft oil seal, remove the timing belt and sprocket. You can take out the old seal, clean the bore, and oil the seal. Use a seal driver tool for installation. Install the sprocket and belt, and check for leaks. For camshaft oil seals, remove the timing belt and sprocket. Also, remove the rear timing belt cover as well as the seal. Clean the bore, oil the new seal, and use a seal driver.

Remove the crankshaft pulley. First, delicately extract the threaded part of the timing chain cover using a screwdriver or seal removing tool;. Second, you should remove the lip on the crankshaft seal. If using an ordinary metallic screwdriver, it is wise to cover the tip of the screwdriver to avoid inexperienced scratching of such housing bore or hasty harming of the crankshaft which may lead to leakage with the new seal that has been fixed. Clean the bore in the timing chain cover, applying engine oil or multi-purpose grease, to the lip and outer edges of a new seal. Using a seal driver or placing a socket having a diameter slightly less than the diameter of the seal into it, gently force the new seal into its seat with a hammer taking care to see that the seal is placed squarely and flush with the surface of of the timing chain cover. Do this and you will be sure that your seal is in the right position and the spring installed as well. Replace the crankshaft pulley and fasten the bolt tightening it to the standard torque. Last but not the least, start the engine and look for the oil traces at the front seal.

Adjacent to it is the drivebelt which should be removed together with the fan shroud for enough clearance. You have to slacken the crankshaft pulley bolt while keeping the pulley on the crankshaft in its circular position using a strap wrench, chain wrench or a special one; you might need a special puller to get rid of the pulley. Make sure the puller has screws that fit into the holes of the pulley and not the claws that clamp around the edges of the pully. Measure the depth of the seal in the bore after you take out the pulley, then remove it gently with the help of a screwdriver or a seal removing tool, being keen not to scratch the crank shaft or the timing chain cover. Scrub the bore in the cover and put engine oil or multi-purpose grease on the outer circumference of the new seal. To remove the seal, use a seal driver or a socket with an outside diameter slightly less than the OD of the seal, and tap the new seal into the seat until it bottoms, giving it a square installation to the same depth as before with a check to see that the spring is in place. Put back the crankshaft pulley and the drivebelt, start up the engine to inspect whether there is oil leakage at the front seal.

Lubricate the outside diameter of the seal.

The new seal can be driven into place using a seal driver or a large socket and a hammer. It is important to ensure that the seal enters the bore squarely and stops when the front face is at the proper depth.

Lubricate the pulley hub with clean engine oil.

Wrap tape around the tip of the screwdriver to avoid scratching the housing bore or damaging the crankshaft, as this could cause the new seal to leak.

The first step is to remove the engine/transmission assembly from the vehicle.

Install the flywheel or driveplate.

The remainder of the installation is the reverse of the removal process.

Using a seal driver or a socket with an outside diameter slightly smaller than the outside diameter of the seal, carefully drive the new seal into place with a hammer. Ensure that the seal lip is lubricated and that the seal is installed squarely and driven in flush with the surface of the timing chain cover. After installation, check the seal to make sure the spring didn't pop out of place.

Remove the driveplate.

The remainder of installation is the reverse of removal.

Lubricate the outside diameter of the seal and install the seal over the end of the crankshaft, making sure the lip of the seal points toward the engine.

Run the engine and check for oil leaks at the front seal.

The easiest method involves using a seal-removal tool. If this tool isn't available, a sharp knife can be used to cut the lip off the old seal while carefully avoiding scratching the crankshaft. After the lip is removed, a screwdriver wrapped with tape can be used to pry the seal out.

Clean the bore in the engine and coat the outer edge of the new seal with engine oil or multi-purpose grease. Apply the same grease to the seal lip.

The new seal should be evenly driven into the container using a wood block or a section of pipe slightly smaller in diameter than the outside diameter of the seal.

The remainder of the installation is the reverse of removal.

The remainder of the installation is the reverse of the removal process.

Reinstall the crankshaft timing sprocket and timing belt.

Run the engine and check for oil leaks at the front seal.

Carefully pry the seal out of the timing chain cover with a screwdriver or seal removal tool, being careful not to scratch the crankshaft. If using a screwdriver, wrap tape around the tip to avoid scratching the housing bore or damaging the crankshaft, as damage to the crankshaft can cause the new seal to leak.

Lubricate the crankshaft seal journal and the lip of the new seal with multi-purpose grease. Position a new gasket on the engine block. Apply a bead of RTV sealant to the exposed portion of the oil pan flange and particularly at the pan-to-block mating surface.

The bolts should be tightened a little at a time.

The remainder of the installation is the reverse of removal.

Drive the new seal into the retainer with a block of wood or a section of pipe, ensuring that you do not cock the seal in the retainer bore.

Carefully pry the seal out of the engine with a screwdriver or seal removal tool. If using a screwdriver, wrap tape around the tip to avoid scratching the housing bore or damaging the crankshaft.

Lubricate the crankshaft seal journal and the lip of the new seal with multi-purpose grease. Note that there is no gasket between the seal retainer and the engine block; instead, apply a 2 to 3 mm wide bead of ATV sealant to the retainer flange.

Slowly and carefully push the seal and retainer onto the crankshaft. Work the stiff seal lip onto the crankshaft with a smooth object, such as the end of an extension, as you push the retainer against the block.

Using a seal driver or a socket with an outside diameter slightly smaller than the seal, carefully drive the new seal into place with a hammer. Ensure it is installed squarely and to the same depth as the original. If a socket isn't available, a short section of large diameter pipe can also be used. Check the seal after installation to ensure the spring didn't pop out of place.

Using a seal driver or a socket with an outside diameter slightly smaller than the outside diameter of the seal, carefully drive the new seal into place with a hammer. Lubricate the seal lip and ensure it is installed squarely and driven in flush with the surface of the timing chain cover. After installation, check the seal to make sure the spring didn't pop out of place.

The crankshaft seal journal and the lip of the new seal should be lubricated with multi-purpose grease.