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 ...

Exhaust2

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Other materials:

What to Use
Warning Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine coul ...

Windshield Replacement
Special Tools BO-24402-A Glass Sealant Remover (Cold Knife) BO-39032 Stationary Glass Removal Tool Use an adhesive that is approved by GM For equivalent regional tools, refer to Special Tools. Removal Procedure Open the hood. Remove the windshield wiper arms. Refer to Wi ...

Crankshaft Sprocket Replacement
Crankshaft Sprocket Replacement Callout Component Name Preliminary Procedure Remove the timing belt. Refer to Timing Belt Replacement. 1 Crankshaft Sprocket Procedure When installing the cran ...

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