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
$21.11 MSRP: $39.63
You Save: $18.52 (47%)
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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
$43.74 MSRP: $75.13
You Save: $31.39 (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
$20.83 MSRP: $34.31
You Save: $13.48 (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
$12.23 MSRP: $20.14
You Save: $7.91 (40%)
Ships in 1-3 Business Days
ADD TO CART
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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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.