Lexus 90311-92008 Seal, Type T Oil

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First of all, mount the crankshaft and main bearing caps, then place the new crankshaft seal in the retainer and bolt it to the block. Also, clean the retainer and then oil the seal's edge before driving it into place. Apply a new gasket with sealant, then gradually tighten the bolts.

Carefully pry out the seal using a screwdriver wrapped with tape to avoid scratching the bore or damaging the camshaft.

The transaxle must be removed from the vehicle.

Coat the outer edge of the new seal with engine oil or multi-purpose grease.

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 it's installed squarely and driven in to the same depth as the original.

Check the surface on the pulley hub that the oil seal rides on. If the surface has been grooved from long-time contact with the seal, the pulley should be replaced.

Pry the oil seal from the rear of the engine with a screwdriver, being careful not to nick or scratch the crankshaft or the seal bore. Note how far it's recessed into the bore before removal so the new seal can be installed to the same depth. Thoroughly clean the seal bore in the block with a shop towel, removing all traces of oil and dirt.

The new seal should be evenly driven into the retainer with a wood block or a section of pipe that is slightly smaller in diameter than the outside diameter of the seal. It is important to ensure that the seal is not cocked in the retainer bore, and the new seal should be approximately flush with the surface of the retainer.

Remove the timing belt and camshaft sprocket(s).

Clean the bore in the timing chain cover and coat the lip and the outer edge of the new seal with engine oil or multi-purpose grease.

Yes, the seal can be replaced without removing the oil pan or seal retainer.

Lubricate the outside diameter of the seal and install the seal over the end of the crankshaft, ensuring the lip of the seal points toward the engine. Preferably, use a seal installation tool to press the new seal back into place. If the tool is unavailable, use a large socket, section of pipe, or a blunt tool to carefully drive the new seal squarely into the seal bore and flush with the edge of the engine block.

Install the new seal in the cover with the lip (spring side) facing IN. Drive the seal into place with a seal driver or a large socket and a hammer, ensuring it enters the bore squarely and stops when the front face is at the proper depth.

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