Mini Cooper Convertible (F57) Rear Crankshaft Main Bearing Seal Costs
The average cost for a Mini Cooper Convertible (F57) Rear Crankshaft Main Bearing Seal Replacement is between $68 - $126. Get an instant quote with our AI repair estimator.
Image Placeholder
What is a rear crankshaft main bearing seal?
The rear crankshaft main bearing seal, often simply called the rear main seal, is an essential component of an internal combustion engine. It is designed to provide a robust seal between the back of the engine and the crankshaft, preventing engine oil from leaking out. This seal is located at the rear end of the crankshaft as it exits the engine block, just ahead of where the flywheel or flexplate and the transmission are connected. The rear main seal plays a crucial role in ensuring that engine oil remains contained within the engine, maintaining optimal lubrication and preventing oil loss, which can lead to engine damage or failure.
Symptoms of a failing rear crankshaft main bearing seal
When the rear crankshaft main bearing seal begins to fail, several symptoms can indicate an issue. The most common sign of a failing rear main seal is leaking oil; you may notice oil spots underneath your vehicle in the area where the engine meets the transmission. This leak often results in a significant oil loss, which, if not addressed, can lead to low oil levels and engine damage. Another symptom might be the smell of burning oil, which can occur if leaking oil drips onto the exhaust system. Additionally, you may experience unusual noises, such as a rattling or knocking sound, from the engine due to insufficient oil reaching the engine's moving parts. While a small oil leak might not seem severe, over time, the repair could become urgent if left unattended, leading to more significant mechanical failures.
How urgent is rear crankshaft main bearing seal replacement?
Replacing a failing rear crankshaft main bearing seal is quite urgent, as continuing to operate the vehicle with an oil leak can lead to severe engine damage. The oil is critical for lubrication and cooling; without it, friction and heat build-up can cause parts to wear rapidly or seize. A failing seal that is not repaired in time might lead to even more costly repairs or a complete engine failure, resulting in much larger expenses and safety risks. It is recommended to address seal leaks as soon as they are noticed to prevent these potential issues.
How much does rear crankshaft main bearing seal replacement cost?
Replacing the rear crankshaft main bearing seal can be a costly repair due to its location in the vehicle, which often requires significant labor to access. Typically, the cost can range from $600 to $1,200 or more. This estimate includes labor costs, as the mechanic will need to remove the transmission or other significant components to reach the seal. The actual seal itself is relatively inexpensive, but the labor-intensive nature of the job drives up the overall cost. Prices may vary based on vehicle make and model, labor rates, and parts availability.
4 FAQs about rear crankshaft main bearing seals
- What causes a rear crankshaft main bearing seal to fail?
Common causes of seal failure include age and wear over time. The seal's material can become brittle and crack, or it might deform due to excessive engine heat. Other factors contributing to failure include improper installation, oil contamination, and increased engine pressure from problems such as a clogged PCV valve. - Can I drive my car with a leaking rear main seal?
While you might be able to drive short distances with a minor leak, it's not recommended. Continuing to drive with a leaking rear main seal can lead to more critical engine issues due to oil loss, and can result in costly repairs or total engine failure if not addressed promptly. - How can I tell if my rear main seal is leaking?
The most obvious sign of a leaking rear main seal is oil spots on the ground under the rear of your engine or a significant reduction in your oil level between changes. You might also notice the smell of burning oil or unusual engine noises, which can indicate inadequate lubrication. - Is it possible to repair a rear main seal without removing the entire transmission?
Typically, repairing or replacing a rear main seal requires the removal of the transmission because of its location at the rear of the crankshaft. This makes it a labor-intensive job, which is why the repair can be costly. However, some products claim to stop or slow leaks, but these are temporary fixes and not a solution to the root cause of the problem.
Dev Output
2024 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36C) - Rear Crankshaft Main Bearing Seal Costs
Parts: $88.00Labor: $48.00{ "partPrice": 88, "laborPrice": 48, "alldata_id": 65542, "alldata_vehicle_id": 65542, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal", "part": [ { "name": "33 - Rear Main Seal", "price": "53.34", "pricecode": "", "partnumber": "11148664904" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2024, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36C)" }2023 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36C) - Rear Crankshaft Main Bearing Seal Costs
Parts: $92.00Labor: $55.00{ "partPrice": 92, "laborPrice": 55, "alldata_id": 65016, "alldata_vehicle_id": 65016, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal", "part": [ { "name": "33 - Rear Main Seal", "price": "53.34", "pricecode": "", "partnumber": "11148664904" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2023, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36C)" }2022 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36C) - Rear Crankshaft Main Bearing Seal Costs
Parts: $56.00Labor: $72.00{ "partPrice": 56, "laborPrice": 72, "alldata_id": 63577, "alldata_vehicle_id": 63577, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal", "part": [ { "name": "33 - Rear Main Seal", "price": "53.34", "pricecode": "", "partnumber": "11148664904" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2022, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36C)" }2021 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36C) - Rear Crankshaft Main Bearing Seal Costs
Parts: $6.00Labor: $24.00{ "partPrice": 6, "laborPrice": 24, "alldata_id": 61735, "alldata_vehicle_id": 61735, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal", "part": [ { "name": "33 - Rear Main Seal", "price": "53.34", "pricecode": "", "partnumber": "11148664904" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2021, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36C)" }2020 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36C) - Rear Crankshaft Main Bearing Seal Costs
Parts: $66.00Labor: $42.00{ "partPrice": 66, "laborPrice": 42, "alldata_id": 61268, "alldata_vehicle_id": 61268, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal", "part": [ { "name": "33 - Rear Main Seal", "price": "53.34", "pricecode": "", "partnumber": "11148664904" } ] } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2020, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36C)" }2019 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36M) - Rear Crankshaft Main Bearing Seal Costs
Parts: $45.00Labor: $1.00{ "partPrice": 45, "laborPrice": 1, "alldata_id": 59102, "alldata_vehicle_id": 59102, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "part": [ { "name": "Rear Main Seal", "price": "45.91", "pricecode": "", "partnumber": "11148602594" } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2019, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36M)" }2018 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36M) - Rear Crankshaft Main Bearing Seal Costs
Parts: $77.00Labor: $36.00{ "partPrice": 77, "laborPrice": 36, "alldata_id": 58438, "alldata_vehicle_id": 58438, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "part": [ { "name": "Rear Main Seal", "price": "45.91", "pricecode": "", "partnumber": "11148602594" } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2018, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36M)" }2017 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36M) - Rear Crankshaft Main Bearing Seal Costs
Parts: $69.00Labor: $12.00{ "partPrice": 69, "laborPrice": 12, "alldata_id": 57325, "alldata_vehicle_id": 57325, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "part": [ { "name": "Rear Main Seal", "price": "45.91", "pricecode": "", "partnumber": "11148602594" } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2017, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36M)" }2016 Mini Cooper Convertible (F57) L3-1.5L Turbo (B36M) - Rear Crankshaft Main Bearing Seal Costs
Parts: $49.00Labor: $18.00{ "partPrice": 49, "laborPrice": 18, "alldata_id": 56026, "alldata_vehicle_id": 56026, "title": "Rear Crankshaft Main Bearing Seal", "parts": { "qualifiers": [ { "name": "Crankshaft & Bearings", "part": [ { "name": "Rear Main Seal", "price": "45.91", "pricecode": "", "partnumber": "11148602594" } ] } ] }, "labors": { "operations": [ { "operation": "Remove & Replace", "qualifiers": [ { "name": "Crankshaft & Bearings", "qualifiers": [ { "name": "Rear Main Seal, R&R", "qualifiers": [ { "name": "Auto Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.5", "warrantytime": "0.0" }, "qualifiers": [] }, { "name": "Manual Trans", "labor": { "note": "After Trans Is Removed.", "skill": "B", "standardtime": "0.9", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] } ] } ] }, "year": 2016, "make": "Mini", "model": "Cooper Convertible (F57)", "engine": "L3-1.5L Turbo (B36M)" }