How to replace the front crankshaft seal on 2008 Chevrolet Express 2500?

The crankshaft balancer should be the first thing to remove before changing the crankshaft front oil seal. You must first extract the crankshaft front oil seal from behind the front cover. The oil seal sealing surface demands no lubrication while both the crankshaft front oil seal and its replacement must be new components. Clean engine oil should be used to coat both the outer part of the oil seal and the front cover seal bore surface. Position the J 41478 Crankshaft Front Oil Seal Installer guide over the front oil seal before inserting the threaded rod with its attached nut washer guide and seal into the crankshaft end. To correctly position the oil seal into the cover bore hold a wrench on the hex portion of the installer bolt before clockwise threading the installer nut to completely position the seal within the bore. Use the J 41478 to install the J 41478 into theirket-joint threaded rod (J 41478) altogether (with nut, washer, and guide). The sealed front cover must get an even installation within its bore. Finally, reinstall the crankshaft balancer.

OEM 2008 Chevrolet Express 2500 Crankshaft Seal

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3 Crankshaft Seals found

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2008 Chevrolet Express 2500 Rear Main Seal
Part Number: 97209342
$46.96 MSRP: $79.94
You Save: $32.98 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Item Weight: 0.70 Pounds
- Item Dimensions: 6.1 x 6.2 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 97209342
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Chevrolet Express 2500 Submodels:
- Base, LS, LT | 8 Cyl 6.6 L DIESEL
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2008 Chevrolet Express 2500 Rear Main Seal
Part Number: 89060436
$22.03 MSRP: $36.30
You Save: $14.27 (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 2008 Chevrolet Express 2500 Submodels:
- Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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2008 Chevrolet Express 2500 Front Crank Seal
Part Number: 97209341
$39.66 MSRP: $77.64
You Save: $37.98 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Crankshaft Front; Timing Cover Gasket; Timing Cover Seal; Front Seal; Cover Seal; Front Cover Seal; Seal, Engine Front Cover & Crankshaft Seal; Seal, Engine Front Cover
- Position: Front
- Item Weight: 0.60 Pounds
- Item Dimensions: 6.1 x 6.3 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 97209341
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Chevrolet Express 2500 Submodels:
- Base, LS, LT | 8 Cyl 6.6 L DIESEL

2008 Chevrolet Express 2500 Crankshaft Seal

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2008 Chevrolet Express 2500 Parts Questions & Experts Answers

Q: How to replace the front crankshaft seal on 2008 Chevrolet Express 2500?
A: The crankshaft balancer should be the first thing to remove before changing the crankshaft front oil seal. You must first extract the crankshaft front oil seal from behind the front cover. The oil seal sealing surface demands no lubrication while both the crankshaft front oil seal and its replacement must be new components. Clean engine oil should be used to coat both the outer part of the oil seal and the front cover seal bore surface. Position the J 41478 Crankshaft Front Oil Seal Installer guide over the front oil seal before inserting the threaded rod with its attached nut washer guide and seal into the crankshaft end. To correctly position the oil seal into the cover bore hold a wrench on the hex portion of the installer bolt before clockwise threading the installer nut to completely position the seal within the bore. Use the J 41478 to install the J 41478 into theirket-joint threaded rod (J 41478) altogether (with nut, washer, and guide). The sealed front cover must get an even installation within its bore. Finally, reinstall the crankshaft balancer.