GM 89018163 Seal Kit,Crankshaft Rear Oil

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Remove the transmission and the driveplate. Take a screwdriver and pry the Crankshaft Seal from the rear cover without nicking or scratching the seal bore, or crankshaft. Note how far it is recessed into this housing bore prior to removal so that the new seal can be set at this depth. Grab a shop towel and thoroughly clean out all traces of oil and dirt from the block's seal bore. Do not lubricate the seal or touch the sealing lip. Make sure that it is installed properly as it has reverse-lip design on it. The second requirement is that you must see its part number when this seal has been installed. The best way to do this is to use a tool for installing seals to fit in this new one by pushing the tool onto it until it goes back into its place completely. In case, there isn't an appropriate seal installing instrument, one can take a big drift and softly drive this new seal directly into its bore located near rear cover; after which, flush them together so they appear even with one another. Finally, install drive plate and transmission again.

The rear crankshaft bearing oil seal can be changed without taking out the oil pan or crankshaft. The first thing you need to do is to remove the transmission. If you have a manual transmission, remove the pressure plate and clutch disc. You'll then take out the flywheel or driveplate. Carefully pry the seal out of the block using a seal removal tool or large screwdriver. However, ensure that you don't scratch or nick the crankshaft in this process. After removing it in this way, clean bore in the block and crankshaft at seal contact surface. Determine whether there are any scratches, nicks on its surface that might damage new seal lip and therefore lead to oil leakage. When crankshaft is damaged, new different crankshaft is required only. Lightly coat both outer edge of a new seal with clean engine oil and the lip of its mouth with engine oil as well. Use J34924 GM tool(if available) and press it into place until it is fully seated with rear facing towards front of engine where necessary, otherwise just carefully work seal lip over end of crankshaft and tap seal into bore until square and seated with hammer and blunt drift when no tool is available. Next step is installation of a flywheel or driveplate as per your choice; on other hand if it's a manual transmission reinstall pressure plate plus clutch disc accordingly after which fix back transmission eventually.

Position the new seal in the bore with the open end of the seal facing IN.

If the vehicle has a manual transmission, you should also reinstall the clutch disc and pressure plate.

To remove the old oil seal from the cover, you should use a seal puller or a large screwdriver, being very careful not to distort the cover or scratch the crankshaft.

To prevent the pulley from turning while loosening the pulley bolts, you should place a bar through one of the pulley holes and wedge it against the bottom of the front cover.

Remove the lower flywheel cover and have an assistant wedge a large screwdriver in the flywheel ring gear teeth to hold the engine from turning.

To make installation easier, you can apply a small amount of oil to the outer edge of the new seal.

The seal should be placed over the end of the crankshaft and carefully tapped into place.

Lubricate the balancer hub with clean engine oil and reinstall the crankshaft balancer. The remainder of installation is the reverse of removal.

You can replace the rear main bearing oil seal without removing the oil pan or crankshaft by following these steps: Remove the transmission. If equipped with a manual transmission, remove the pressure plate and clutch disc. Next, remove the flywheel or driveplate. Using a seal removal tool or a large screwdriver, carefully pry the old seal out of the block, being cautious not to scratch or nick the crankshaft.

A small amount of RTV sealant should be applied to the crankshaft Woodruff key before installing the crankshaft pulley.

Before installing the new rear main bearing oil seal, apply a light coat of clean engine oil to the seal lip and the outer edge of the seal.

Remove the lower flywheel cover and have an assistant wedge a large screwdriver in the flywheel ring gear teeth to hold the engine from turning.

A seal installation tool.

Before reinstalling the vibration damper, lubricate the seal lips with engine oil.

Carefully pry the oil seal out of the cover with a seal puller or a large screwdriver. Be very careful not to distort the cover or scratch the crankshaft. Wrap the electrician's tape around the tip of the screwdriver to avoid damage to the crankshaft.

The seal bore in the block should be thoroughly cleaned with a shop towel, removing all oil and dirt.

You should drive the new seal into place with a large socket and a hammer, ensuring it enters the bore squarely and is driven in until the front face is flush with the cover.

Drive the seal into the bore with GM tool no. J-23042A, or equivalent, until it's completely seated.