How to replace rear main seal on Silverado Sierra?
Remove tranny, in my case remove clutch pack, and then remove the rear main seal retainer. The retainer has a gasket that would need to be replaced. Should be a pretty easy job for a shop with a lift. I had to do mine on jack stands which made it a little bit more of a pain. Something like this it may be better to have the dealer do it.
How can I tell the cost of a rear main seal replacement?
This oil shows up under the UV light to see where the rear main seal leak is coming from. Once the issue is diagnosed, the mechanic can then determine where the leak is originating from to estimate the rear main seal replacement cost.
Can a rear main seal be replaced without removing the transmission?
You may choose to change other seals or gaskets or do any sort of engine rebuild, and then the costs of the parts can easily be accumulated up to a few hundred dollars more, in your replacement bill. So, whenever you have this question in your mind – how to replace a rear main seal without removing the transmission, follow this top-notch process.
What happens when the rear main seal leaks?
Often with a rear main seal leak the engine has to be removed from the vehicle to replace the 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.
What is done during rear main seal replacement?
What Is Done during Rear Main Seal Replacement? On the end of your car’s crankshaft is a mechanical seal. This seal ensures that engine oil does not leak out. If it starts to crack or otherwise malfunction, you will be left with an oil leak. You will pay between $650 and $850 for this replacement.
Remove tranny, in my case remove clutch pack, and then remove the rear main seal retainer. The retainer has a gasket that would need to be replaced. Should be a pretty easy job for a shop with a lift. I had to do mine on jack stands which made it a little bit more of a pain. Something like this it may be better to have the dealer do it.
How much does it cost to replace a main seal on a car?
On the end of your car’s crankshaft is a mechanical seal. This seal ensures that engine oil does not leak out. If it starts to crack or otherwise malfunction, you will be left with an oil leak. You will pay between $650 and $850 for this replacement.
What kind of Sealer to use for rear main leak?
Based on your description, we recommend using the BlueDevil Oil Stop Leak. BlueDevil Oil Stop Leak is more concentrated and is the universal application that will work for oil pan leaks, rear main leaks, valve cover gasket leaks, etc. Whereas the Rear Main Sealer is specifically formulated for just the rear main seal.
When do you replace the rear main seal?
Often with a rear main seal leak the engine has to be removed from the vehicle to replace the seal. The rear main seal is what seals the crankshaft to the engine block and keeps engine oil from leaking out around the crank.
Based on your description, we recommend using the BlueDevil Oil Stop Leak. BlueDevil Oil Stop Leak is more concentrated and is the universal application that will work for oil pan leaks, rear main leaks, valve cover gasket leaks, etc. Whereas the Rear Main Sealer is specifically formulated for just the rear main seal.
What is the rear main seal on a car called?
It’s called the rear main seal because it seals the rear of the crank shaft where it bolts to the transmission. In order to properly complete this job a garage would have to have a transmission jack, engine hoist and engine stand. Many garages do not have this equipment on hand, and the ones that do often charge a premium for them.
What is the rear main 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.
This oil shows up under the UV light to see where the rear main seal leak is coming from. Once the issue is diagnosed, the mechanic can then determine where the leak is originating from to estimate the rear main seal replacement cost.