Diesel Data: Automotive Repair

Front Crankshaft Seal: Service and Repair




Crankshaft Front Oil Seal Replacement

Tools Required

J 29184 Oil Seal Installer

Removal Procedure




1. Remove the A/C compressor and power steering pump drive belt. Refer to Air Conditioning Compressor and Power Steering Pump Belt Replacement (Air Conditioning Compressor and Power Steering Pump Belt Replacement).
2. Remove the generator and water pump drive belt. Refer to Water Pump and Generator Belt Replacement (Water Pump and Generator Belt Replacement).
3. Remove the crankshaft balancer. Refer to Crankshaft Balancer Removal (10. Crankshaft Balancer Removal).
4. Use a flat-bladed tool in order to remove the crankshaft oil seal.

Installation Procedure





Important: Do not lubricate the crankshaft front oil seal or the crankshaft balancer sealing surfaces.


1. Use the J 29184 or equivalent to install the crankshaft front oil seal.
2. Install the crankshaft balancer. Refer to Crankshaft Balancer Installation (132. Crankshaft Balancer Installation).
3. Install the generator and water pump drive belt. Refer to Air Conditioning Compressor and Power Steering Pump Belt Tensioner Replacement (Air Conditioning Compressor and Power Steering Pump Belt Tensioner Replacement).
4. Install the A/C compressor and power steering pump drive belt. Refer to Water Pump and Generator Belt Tensioner Replacement (Water Pump and Generator Belt Tensioner Replacement).