How to replace the front crankshaft seal on Chevrolet Tahoe?

The first step to replace the crankshaft front oil seal is to remove the crankshaft balancer. You need to extract the crankshaft front oil seal (140) from the front cover. The correct procedure requires non-oil lubrication on the oil seal sealing surface and complete avoidance of front crankshaft oil seal reuse during installation. Clean engine oil must be applied at the outer edge of the oil seal (140) and the front cover oil seal bore before starting the installation process. Place the crankshaft front oil seal (140) onto the dedicated J 41478 (Crankshaft Front Oil Seal Installer). The first step entails positioning the J 41478 threaded rod with its attached nut, washer, guide, and oil seal into the crankshaft end while using the J 41478 for correct installation of the oil seal into the cover bore. Use a second wrench to rotate the installer nut clockwise until the seal rests completely within the cover bore while holding the hex of the installer bolt with a wrench. Always check the oil seal installation in the front cover bore after removing the J 41478 by inspecting it for proper and uniform distribution of the seal inside the bore. Finally, reinstall the crankshaft balancer.

OEM Chevrolet Tahoe Crankshaft Seal

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12 Crankshaft Seals found

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Chevrolet Tahoe Rear Main Seal, Front Part Number: 14090906
$21.53 MSRP: $35.47
You Save: $13.94 (40%)
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Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Seal; Oil Seal; Crankshaft Seal; Front Crank Seal; Timing Cover Seal; Front Cover Seal; Engine Front Cover Seal.
- Position: Front
- Replaces: 12577710
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Rear Main Seal Part Number: 89060436
$24.24 MSRP: $39.93
You Save: $15.69 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Kit, Crankshaft Rear Oil; Crankshaft Seal; Seal Kit, Engine Rear Main Bearing; Seal, Engine Rear Main Bearing
- Position: Rear
- Replaces: 12550574, 12585671, 89018162
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 Chevrolet Tahoe | Hybrid, LS, LT, LTZ, PPV, SSV | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Rear Main Seal Part Number: 23503969
$43.95 MSRP: $68.84
You Save: $24.89 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 6.5 L DIESEL
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Chevrolet Tahoe Rear Main Seal Part Number: 12665076
$27.74 MSRP: $45.69
You Save: $17.95 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Replaces: 12634615
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 Chevrolet Tahoe | Commercial, High Country, LS, LT, LTZ, PPV, Premier, RST, SSV, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Crankshaft Seal, Front Part Number: 12634614
$12.80 MSRP: $21.09
You Save: $8.29 (40%)
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Product Specifications
- Other Name: Seal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal; Front Crank Seal; Front Seal; Cover Seal; Front Cover Seal; Seal, Engine Front Cover & Crankshaft Seal
- Position: Front
- Replaces: 12693255
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2023 Chevrolet Tahoe | Commercial, High Country, LS, LT, LTZ, PPV, Premier, RST, SSV, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Timing Cover Seal, Front Part Number: 10228655
$21.26 MSRP: $35.01
You Save: $13.75 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Oil Seal; Cover Seal; Front Cover Seal
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Tahoe | Base, Limited, LS, LT, Z71 | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Rear Main Seal Part Number: 10088158
$34.26 MSRP: $56.44
You Save: $22.18 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal; Cover Seal; Rear Main Seal Retainer
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS
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Chevrolet Tahoe Thermostat Housing Gasket, Front Part Number: 10191640
$20.61 MSRP: $33.96
You Save: $13.35 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Seal; Timing Cover Oil Seal; Cover Seal; Front Cover Seal; Seal, Engine Crankshaft Front
- Position: Front
- Replaces: 23500286, 3860095, 03860095
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 6.5 L DIESEL
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Chevrolet Tahoe Rear Cover, Lower Part Number: 55515618
$68.88 MSRP: $107.89
You Save: $39.01 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover Assembly-Timing Chain Lower; Crankshaft Seal; Timing Cover; Rear Main Seal Retainer; Rear Main Seal Housing; Housing
- Position: Lower
- Replaced by: 40009071
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Tahoe | High Country, LS, LT, Premier, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Tahoe Crankshaft Seal, Front Part Number: 55509254
$8.59 MSRP: $14.16
You Save: $5.57 (40%)
ADD TO CART
Product Specifications
- Other Name: Seal Assembly-Crankshaft Front Oil; Timing Cover; Front Crank Seal; Front Cover; Seal, Engine Front Cover & Crankshaft Seal
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Tahoe | High Country, LS, LT, Premier, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Tahoe Rear Main Seal Part Number: 40009072
$12.00 MSRP: $19.05
You Save: $7.05 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing
- Position: Rear
- Replaces: 55506777, 55515617
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Tahoe | High Country, LS, LT, Premier, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Tahoe Rear Main Seal Part Number: 12554314
$35.70 MSRP: $61.29
You Save: $25.59 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS

Chevrolet Tahoe Crankshaft Seal

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Chevrolet Tahoe automobiles have a Crankshaft Seal which is situated at the front side of the motor. Generally crafted from metal and rubber, this round seal is invariably used to ensure that oil from the engine's crankcase does not leak. The Crankshaft Seal ensures that it eliminates any leakage of oil to vital sections of the engine, and in addition, assists in minimizing the level of wear and tear on other parts of the engine; hence its importance. If there are such symptoms as high mileage or leaks of engine oil, it is possible to supposition that the Crankshaft Seal should be replaced for the normal work of the automobile.

Chevrolet Tahoe Crankshaft Seal Parts Questions & Experts Answers

Rear Main Seal
89060436
Q: How to replace the front crankshaft seal on Chevrolet Tahoe?
A:
The first step to replace the crankshaft front oil seal is to remove the crankshaft balancer. You need to extract the crankshaft front oil seal (140) from the front cover. The correct procedure requires non-oil lubrication on the oil seal sealing surface and complete avoidance of front crankshaft oil seal reuse during installation. Clean engine oil must be applied at the outer edge of the oil seal (140) and the front cover oil seal bore before starting the installation process. Place the crankshaft front oil seal (140) onto the dedicated J 41478 (Crankshaft Front Oil Seal Installer). The first step entails positioning the J 41478 threaded rod with its attached nut, washer, guide, and oil seal into the crankshaft end while using the J 41478 for correct installation of the oil seal into the cover bore. Use a second wrench to rotate the installer nut clockwise until the seal rests completely within the cover bore while holding the hex of the installer bolt with a wrench. Always check the oil seal installation in the front cover bore after removing the J 41478 by inspecting it for proper and uniform distribution of the seal inside the bore. Finally, reinstall the crankshaft balancer.