Chevrolet Sonic Repair Manual: Crankshaft Rear Oil Seal Replacement

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Seals and Gaskets / Crankshaft Rear Oil Seal Replacement

Special Tools

EN-658 Rear Main Seal Installer

For equivalent regional tools, refer to Special Tools.

Removal Procedure

If equipped with automatic transmission, remove the flex plate. Refer to Automatic Transmission Flex Plate Replacement.
If equipped with a manual transmission, remove the flywheel. Refer to Engine Flywheel Replacement.

Note:

Do not damage the outside diameter of the crankshaft or chamber with any tool.

Using a flat-bladed tool, remove the rear crankshaft oil seal (1).

Installation Procedure

Install the crankshaft rear oil seal (1) with EN-658 installer

Install the crankshaft rear oil seal (1) with EN-658 installer (2).

Using the EN-658 installer (2) , install a NEW crankshaft real oil seal (1).
If equipped with a manual transmission, install the flywheel. Refer to Engine Flywheel Replacement.
If equipped with automatic transmission, install the flex plate. Refer to Automatic Transmission Flex Plate Replacement.

Crankshaft Rear Oil Seal Installation

Special Tools EN-658-1 Installer EN-235-6 Installer For equivalent regional tools, refer to Special Tools. Slide the crankshaft rear oil seal (2) across the EN-235-6 installe ...

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