Amade of either rubber of silicone, this main seal is crucial in keeping the liquid where it should be, and typically requires a replacement to be fixed when getting damaged The rear main seal replacement cost is usually between $410 and $517, with labor costs estimating between $388-$491 of the total. Auto Repairs Are EXPENSIVE
Full Answer
Is it hard to replace a rear main seal?
The average cost for a BMW M5 rear main seal replacement is between $641 and $797. Labor costs are estimated between $596 and $752 while parts are priced at $45. Estimate does not include taxes and fees.
How do you install a rear main seal on a car?
Know what price you should pay to get your vehicle fixed. The average cost for a BMW 525i rear main seal replacement is between $216 and $291. Labor costs are estimated between $194 and $246 while parts are priced between $22 and $45. Estimate does not include taxes and fees.
Will bluedevil rear main sealer work on a BMW?
Know what price you should pay to get your vehicle fixed. The average cost for a BMW 750iL rear main seal replacement is between $328 and $403. Labor costs are estimated between $286 and $361 while parts are priced at $42 . Estimate does not include taxes and fees.
What to do if your rear main seal is leaking?
BMW 330Ci Rear Main Seal Replacement Cost. Know what price you should pay to get your vehicle fixed. Estimator. BMW. 330Ci. Rear Main Seal Replacement Cost. The average cost for a BMW 330Ci rear main seal replacement is between $171 and $246. Labor costs are estimated between $158 and $200 while parts are priced between $13 and $46.
How much does it cost to replace a rear main seal?
It is designed to keep the oil where it should be and typically needs replacement when it shrunk or deteriorates. The rear main seal usually costs between $600-$900, with a service fee of around $550 to $820 out of the overall replacement charge.
Is it worth fixing a rear main seal?
Replacing a rear main seal can be so expensive the cost to replace it may be more than you have to spend, or even more than your vehicle is worth. When faced with a high dollar repair on an older vehicle it can be difficult to decide if it's worth dumping more money into an older vehicle that doesn't have much value.
Is it OK to drive with a rear main seal leak?
The possibility of a very fast leak is the biggest factor that makes it so dangerous to drive with a rear main seal leak. As we just mentioned, your rear main seal is in a place that gets a lot of oil thrown at it and has the added wear of the crankshaft spinning inside of it.
Can you replace a rear main seal without removing the transmission?
Usually, we will need to remove the transmission before reaching to the rear main seal. But you can do this rear main seal replace without removing the transmission. It is not less difficult than the other way, however, you can do it on your own.
What causes a rear main seal to go out?
The most common cause of rear seal leaks is age and/or high mileage. The seal can also leak due to the vehicle being stored for an extended period of time, or from running the engine low on oil. This causes drying and hardening of the seal leading to shrinking, cracking and tearing of the rear main seal.
How long does it take to change a rear main seal?
Replacing a Rear Main Seal However, the process to get to the rear main seal to replace it often requires removal of the entire engine and transmission from the vehicle, a job that can only be done by very skilled mechanics and even then can take 6-10 hours!
How do I know if my rear main seal is bad?
The main symptom of a rear seal leak is when your car starts leaking engine oil at a faster rate. If your vehicle has started leaving black puddles on your driveway or parking lot, something is definitely wrong with the situation underneath the vehicle.
How do you slow down a rear main seal leak?
0:051:19How to Install BlueDevil Rear Main Sealer - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow Blue Devil rear main seal er is guaranteed to restore dried shrunken. And crack seals to theirMoreNow Blue Devil rear main seal er is guaranteed to restore dried shrunken. And crack seals to their original condition. While you drive now it works in both gas.
How do I know if my oil Main or rear main seal is leaking?
The best way to prove that you've got a rear main seal leak is the check if the engine side of the flexplate or flywheel is oily. If the rear main seal is leaking on your engine it will drip oil onto the flexplate or flywheel and sling oil around the bellhousing.
How much does it cost to replace a main seal?
The primary factor impacting the cost to replace your rear main seal is the labor charge. Parts for the job are typically under $35, which means that labor costs around $700, on average....Cost Factors for Rear Main Seal Replacement.Minimum Cost Estimate$500 – $650Average Cost Estimate$700 – $8001 more row
How much does it cost to replace main seal?
Even though the parts won't cost more than $100, the cost of labor is what makes the rear main seal repair very expensive. Mechanics will charge between $500 and $1800 for the labor alone, with the average total cost of repair being $1100.
How often should you replace a rear main seal?
A good inspection of all the seals in your car is a must every 50,000 miles. This is to make sure that everything is in check and nothing is prone to failure. In this article, we are going to learn a lot about the rear main seal. We will learn what this seal really is and where it's located on the vehicle.
Know what price you should pay to get your vehicle fixed
The average cost for a BMW 750iL rear main seal replacement is between $328 and $403. Labor costs are estimated between $286 and $361 while parts are priced at $42 . Estimate does not include taxes and fees.
How does the rear main seal work?
The crankshaft protrudes slightly from the rear of the engine block so that it can connect to the transmission. The rear main seal covers the end of the crankshaft to keep the oil inside the engine.
What are the symptoms related to a bad rear main seal?
When the rear main seal fails, you may see an oil stain on the ground where the vehicle is parked. The leak will appear to be coming from between the engine and the transmission, but over time it can coat the underside of the car near the engine.
Can I drive with a rear main seal problem?
A bad rear main seal will typically leak oil. You can drive the car in this situation, but you'll need to check the oil and top it off more often.
How often do rear main seals need to be replaced?
The lifespan of the rear main seal varies greatly, depending on the vehicle and driving conditions. The seal doesn't wear like a tire or a ball joint, but eventually the gasket's rubber will degrade. Due to its location, it can easily go unnoticed.
Rear Main Seal Replacement Cost Estimates
The average cost for a Rear Main Seal Replacement is between $328 and $403 but can vary from car to car.
Know what price you should pay to get your vehicle fixed
The average cost for a BMW Z4 rear main seal replacement is between $213 and $286. Labor costs are estimated between $190 and $240 while parts are priced between $23 and $46. Estimate does not include taxes and fees.
How does the rear main seal work?
The crankshaft protrudes slightly from the rear of the engine block so that it can connect to the transmission. The rear main seal covers the end of the crankshaft to keep the oil inside the engine.
What are the symptoms related to a bad rear main seal?
When the rear main seal fails, you may see an oil stain on the ground where the vehicle is parked. The leak will appear to be coming from between the engine and the transmission, but over time it can coat the underside of the car near the engine.
Can I drive with a rear main seal problem?
A bad rear main seal will typically leak oil. You can drive the car in this situation, but you'll need to check the oil and top it off more often.
How often do rear main seals need to be replaced?
The lifespan of the rear main seal varies greatly, depending on the vehicle and driving conditions. The seal doesn't wear like a tire or a ball joint, but eventually the gasket's rubber will degrade. Due to its location, it can easily go unnoticed.
Rear Main Seal Replacement Cost Estimates
The average cost for a Rear Main Seal Replacement is between $213 and $286 but can vary from car to car.
Why do you need to replace the rear main seal?
There are many reasons why you must get your rear main seal replaced to cut down on repair costs in other parts of your vehicle. Although you don’t need to get it fixed right away, the sooner you fix the rear main seal, the sooner you are going to have a high-functioning vehicle that won’t cause any future problems. You will be able to protect your engine, gears, and other parts from wearing out due to overuse. These parts will wear out prematurely if you don’t get the leak taken care of like the camshaft deteriorating.
What is the purpose of a rear main seal?
What Is A Rear Main Seal? The rear main seal within your car has the job of keeping the oil inside of the rear of the engine. This is where the crankshaft connects with the transmission. The crankshaft converts linear energy into rotational energy, letting the car drive forward.
How to remove old gasket from seal?
Use a gasket scraper to remove the old gasket material from the seal housing. After the cleaning is done, you can place the seal in the housing. Evenly hammer the seal into place. Once the seal is installed, apply a thin layer of sealant.
What is the main seal on a transmission?
The anatomy of the rear main seal consists of a cylindrical metal piece in the middle of the seal – this is the crankshaft. The smaller piece in the center of the crankshaft is a pilot bearing, included on only rear-wheel-drive manual cars.
How to replace a crankshaft seal?
Apply a little bit of engine oil over the crankshaft hub before replacing the seal. Push the seal housing into place, reposition the block and oil pan bolts, and tighten the bolts. Finish by tightening the oil pan bolts. Use a small punch and hammer to install the retainer into place.
Do you need to remove the clutch and flywheel before replacing the rear main seal?
If your car has a standard transmission, you will have a clutch and flywheel. These two parts need to be removed from the vehicle before replacing the rear main seal. A car with automatic transmission needs to have the flexplate removed – congratulations, it is easier to unbolt this mechanism.
What is the purpose of a crankshaft?
The crankshaft is a rotating shaft that is in charge of converting reciprocating motion into rotational motion. The crankshaft is the main feature of the engine system which converts the linear energy into rotational energy, allowing the car’s wheels to propel forward.