Home » General Motors GM-42849 Crankshaft Rear Seal Installer

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GM Special Tools and Equipment

General Motors GM-42849 Crankshaft Rear Seal Installer

SKU: GM-42849
$898.99

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General Motors GM-42849 Crankshaft Rear Seal Installer

Kent-Moore Tool Number: J-42849

Application: 8.1L 8100, 8.0L Vortec

Vehicles: 2001 C/K Truck, G-Van, Medium Duty, C3500HD

The rear seal is a press fit to both the engine block and crankshaft. Proper alignment of the inner and outer seal bodies is crucial to prevent leakage. The GM-42849 tool, a two-piece device, mounts onto the crankshaft and applies force to the inner and outer seal bodies. To install the new seal:

  1. Place the new seal onto the inner body of the GM-42849 tool.
  2. Attach the tool to the end of the crankshaft assembly.
  3. Turn the forcing screw on the tool to press the seal until it seats fully in the block.

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