How to replace the rear crankshaft seal on Chevrolet Lumina?

After removing the transaxle, and the engine Flywheel, make sure that the Crankshaft sealing surface does not get nicked through the process. Second, unscrew the rear oil seal at the Crankshaft by sticking a flat-bladed tool at an angle through the dust lube and snapping it out by swinging the handle towards the end of the Crankshaft, continuing until removed. For installation apply rear main seal installer (J34686) coat the rear Crankshaft oil seal with engine oil and install to the j34686. Mount the j34686 on the back end of the Crankshaft and loosely fasten the screws, making sure that the seal is aligned properly. Tighten the wing nut on j34686 until it bottomed out, then remove j34686 off the Crankshaft. Finally, reinstall the engine Flywheel and transaxle.

OEM Chevrolet Lumina Crankshaft Seal

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5 Crankshaft Seals found

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Chevrolet Lumina 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:
- 1991-2001 Chevrolet Lumina | Base, Euro, LS, LTZ, Z34 | 4 Cyl 2.5 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.4 L GAS
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Chevrolet Lumina Rear Main Seal Part Number: 12592195
$45.01 MSRP: $76.64
You Save: $31.63 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal; Timing Cover Seal; Rear Main Seal Retainer; Seal Kit, Engine Rear Main Bearing
- Position: Rear
- Replaces: 14085829
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-2001 Chevrolet Lumina | Base, Euro, LS, LTZ, Z34 | 6 Cyl 3.1 L FLEX, 6 Cyl 3.1 L GAS, 6 Cyl 3.4 L GAS
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Chevrolet Lumina Rear Main Seal Part Number: 12582320
$24.58 MSRP: $40.49
You Save: $15.91 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal; Seal
- Position: Rear
- Replaces: 25534760
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 Chevrolet Lumina | Base, LS, LTZ | 6 Cyl 3.8 L GAS
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Chevrolet Lumina Crankshaft Seal, Front Part Number: 12582313
$14.72 MSRP: $24.24
You Save: $9.52 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal; Front Seal; Cover Seal; Crankshaft Balance Seal; Timing Cover Seal; Engine Front Cover Seal
- Position: Front
- Replaces: 24504098
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 Chevrolet Lumina | Base, LS, LTZ | 6 Cyl 3.8 L GAS
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Chevrolet Lumina Rear Main Seal Part Number: 10036788
$15.88 MSRP: $24.87
You Save: $8.99 (37%)
Ships in 1-2 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:
- 1990-1992 Chevrolet Lumina | Base | 4 Cyl 2.5 L GAS

Chevrolet Lumina Crankshaft Seal

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Crankshaft Seal for Chevrolet Lumina is one of the critical parts that predispose the performance and dependability of Chevrolet automobiles. Sitting at the first firing position of the engine, this Crankshaft Seal is created to avoid oil leakage from the crankcase while maintaining the lubrication of the engine. Crankshaft Seal is a significant component made of metal rubber, and is vital for lowering friction and wear on the engined parts hence boosting efficiency and safety. The compatibility with sundry Lumina models starting from the year 1989 and up to the year 2013 is fundamental for guaranteeing that this Crankshaft Seal is specific to each Lumina generation and adequate for sustaining the solidity of the engines involved. Over the years, Lakeside's Lumina also entered into change and so also did the engineering work in the company and thus, the Crankshaft Seal added extra layer to the sealing of the engine from possible oil leakage, damaging the engine considerably it did. The Automotive Crankshaft Seal is highly reputable due to its sturdy and reliable design on the market to ensure it serves a purpose of keeping a vehicle's engine in check. Therefore, Chevrolet's Crankshaft Seal could be said as one of the most successful and meaningful inventions of Lumina which shows Chevrolet's willingness and ability to create and develop its automobile models for safety for long-term usage. To sum up, the Crankshaft Seal is among the critical parts that improve the Lumina models' driving quality and durability in the market.

Chevrolet Lumina Crankshaft Seal Parts Questions & Experts Answers

Rear Main Seal
12592195
Q: How to replace the rear crankshaft seal on Chevrolet Lumina?
A:
After removing the transaxle, and the engine Flywheel, make sure that the Crankshaft sealing surface does not get nicked through the process. Second, unscrew the rear oil seal at the Crankshaft by sticking a flat-bladed tool at an angle through the dust lube and snapping it out by swinging the handle towards the end of the Crankshaft, continuing until removed. For installation apply rear main seal installer (J34686) coat the rear Crankshaft oil seal with engine oil and install to the j34686. Mount the j34686 on the back end of the Crankshaft and loosely fasten the screws, making sure that the seal is aligned properly. Tighten the wing nut on j34686 until it bottomed out, then remove j34686 off the Crankshaft. Finally, reinstall the engine Flywheel and transaxle.