How to replace the front crankshaft seal on 2009 GMC Sierra 1500?

The first step in replacing the crankshaft front oil seal (140) requires removal of the crankshaft balancer. First remove the crankshaft front oil seal (140) from the front cover while following its removal procedure. Avoid both surface lubrication of the oil seal and the reinstallation of the crankshaft front oil seal. Clean engine oil should first lubricate both the new oil seal's (140) outer rim and its installation bore on the front cover. Place the Crankshaft Front Oil Seal Installer (J 41478) to position the oil seal into the guide because the guide serves as an installation point. To secure the crankshaft end the technician applies the J 41478 threaded rod followed by installating the oil seal inside the cover bore through this tool. A second wrench should be used to turn the installer nut clockwise as a wrench holds the hex on the bolt until the seal properly seats in the cover bore. Regular inspection of the front cover bore should be performed to verify complete and even installation of the oil seal after using J 41478 for installation. Finally, reinstall the crankshaft balancer.

OEM 2009 GMC Sierra 1500 Crankshaft Seal

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3 Crankshaft Seals found

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2009 GMC Sierra 1500 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
- Item Weight: 0.50 Pounds
- Item Dimensions: 5.1 x 5.3 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89060436
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 GMC Sierra 1500 Submodels:
- Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 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 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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2009 GMC Sierra 1500 Rear Main Seal, Front
Part Number: 14090906
$21.11 MSRP: $34.77
You Save: $13.66 (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
- Item Weight: 0.30 Pounds
- Item Dimensions: 3.0 x 3.0 x 0.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 14090906
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 GMC Sierra 1500 Submodels:
- WT | 6 Cyl 4.3 L GAS
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2009 GMC Sierra 1500 Rear Main Seal
Part Number: 89018163
$26.91 MSRP: $44.33
You Save: $17.42 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Kit, Crankshaft Rear Oil; Crankshaft Seal; Seal Kit, Engine Rear Main Bearing
- Position: Rear
- Replaces: 12555769
- Item Weight: 0.50 Pounds
- Item Dimensions: 5.2 x 5.2 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89018163
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2009 GMC Sierra 1500 Submodels:
- Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS

2009 GMC Sierra 1500 Crankshaft Seal

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2009 GMC Sierra 1500 Crankshaft Seal Parts Questions & Experts Answers

Q: How to replace the front crankshaft seal on 2009 GMC Sierra 1500?
A: The first step in replacing the crankshaft front oil seal (140) requires removal of the crankshaft balancer. First remove the crankshaft front oil seal (140) from the front cover while following its removal procedure. Avoid both surface lubrication of the oil seal and the reinstallation of the crankshaft front oil seal. Clean engine oil should first lubricate both the new oil seal's (140) outer rim and its installation bore on the front cover. Place the Crankshaft Front Oil Seal Installer (J 41478) to position the oil seal into the guide because the guide serves as an installation point. To secure the crankshaft end the technician applies the J 41478 threaded rod followed by installating the oil seal inside the cover bore through this tool. A second wrench should be used to turn the installer nut clockwise as a wrench holds the hex on the bolt until the seal properly seats in the cover bore. Regular inspection of the front cover bore should be performed to verify complete and even installation of the oil seal after using J 41478 for installation. Finally, reinstall the crankshaft balancer.