Is the rear main seal or oil pan leak?
Got under it to take a look. Small oil accumulated between motor and trans. Clearly its engine oil, by the way. I thought it would be the rear main seal; however, a mechanic friend said on and 08 with that many miles, more likley the oil pan leaking and rear main seal.
How do you replace the rear main seal?
Use a large screwdriver to remove the engine plate and access the rear main seal housing. You might now find oil pan bolts going through the oil pan and into the rear main seal’s housing. Removes these bolts. The seal housing will have bolts holding the housing to the rear of the engine block. Remove these bolts by turning them counterclockwise.
What to do if you have an oil pan leak in your Chevy Tahoe?
If the leak has been diagnosed as coming from the engine rear cover assembly, refer to Engine Rear Cover Replacement in SI and remove the engine rear cover assembly. Inspect for engine block porosity where the engine rear cover mates to the engine block.
Is it bad to add oil to rear main seal?
Many times the mechanics’ quotes for getting a rear main seal fixed are so high that it seems a better option to drive the vehicle and just add oil regularly to keep your car running. Here’s why that’s a bad Idea. While you are driving, the leaking oil will be distributed all over the bottom of your vehicle.
Got under it to take a look. Small oil accumulated between motor and trans. Clearly its engine oil, by the way. I thought it would be the rear main seal; however, a mechanic friend said on and 08 with that many miles, more likley the oil pan leaking and rear main seal.
What is a rear main oil seal?
The rear main seal is what seals the crankshaft to the engine block and keeps engine oil from leaking out around the crank. It’s called the rear main seal because it seals the rear of the crank shaft where it bolts to the transmission.
How to change your rear main seal-YouTube?
In this video, we show you how to change your rear main seal. When this seal goes bad, it can cause oil to start leaking out from the back of the engine, and has to be replaced. You can now get your very own budget boosting window sticker! Click the link below and you will be taken to our eBay page! http://www.ebay.com/itm/251593397621?…
If the leak has been diagnosed as coming from the engine rear cover assembly, refer to Engine Rear Cover Replacement in SI and remove the engine rear cover assembly. Inspect for engine block porosity where the engine rear cover mates to the engine block.
How long does it take to replace an oil pan gasket?
It takes the dealer about 1 hour and 25 minutes to replace the oil pan gasket. However, it all depends on what type of experience the person has in removing the pan and gasket and what type of tools are being used.
What to use to seal a Chevy Tahoe oil pan leak?
Important: Clean any residual oil from the block and cover before applying the sealant in the next step. Wipe a small amount of RTV, P/N 12378521 (in Canada, use P/N 88901148), onto the surface using a plastic scraper to fill the porosity.
What causes an engineoil leak in the rear cover gasket?
Some customers may comment on an engineoil leak. Upon initial diagnosis, it may be determined that the leak is coming from the rear cover gasket. This condition may be caused by engine block porosity on the sealing surface. This issue pertains to aluminum block applications only.
Important: Clean any residual oil from the block and cover before applying the sealant in the next step. Wipe a small amount of RTV, P/N 12378521 (in Canada, use P/N 88901148), onto the surface using a plastic scraper to fill the porosity.
How much does it cost to replace rear seal on Chevy Tahoe?
It’s a pretty decent mix of the rear seal and pan, but I personally have replaced more rear seals/cam cover gaskets than pan gaskets. If you get the part from Chevy it will come with a new rear seal, housing, housing gasket and bolts for around $50.
Where is the crank seal located on a Chevy Tahoe?
There is also a TSB for 07-14 LS engines regarding porisity in the engine block and or the cover over the back of the engine where the crank seal is located. I do not have the link handy or I would post it.
It’s a pretty decent mix of the rear seal and pan, but I personally have replaced more rear seals/cam cover gaskets than pan gaskets. If you get the part from Chevy it will come with a new rear seal, housing, housing gasket and bolts for around $50.
There is also a TSB for 07-14 LS engines regarding porisity in the engine block and or the cover over the back of the engine where the crank seal is located. I do not have the link handy or I would post it.