Crankshaft Rear Oil Seal and Housing Replacement. Isuzu S/T Isuzu

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 1998 🢒 S/T Isuzu - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Crankshaft Rear Oil Seal and Housing Replacement

Crankshaft Rear Oil Seal and Housing Replacement Housing

Removal Procedure

Important: Do not remove the crankshaft rear oil seal housing if only replacing the crankshaft rear oil seal.

Remove the engine oil pan. Refer to Oil Pan Replacement .

Remove the transmission assembly.

•	Refer to Transmission Replacement in Manual Transmission - New Venture.

•	Refer to Transmission Replacement in Automatic Transmission - 4L60-E.

Remove the flywheel. Refer to Engine Flywheel Replacement .

Remove the three screws and the one nut holding the oil seal housing to the engine.

Remove the oil seal housing.

Remove the gasket and discard it.
Clean all sealing surfaces.
Inspect the housing for warping, cracks, wear, or damage.

Important: When installing a new oil seal housing the seal will come with the housing. Use the following procedure. Refer to Crankshaft Rear Oil Seal and Housing Replacement (Oil Seal) if reusing the housing.

Install the NEW oil seal housing with the oil seal to the engine block using the following procedure.

Important: Do not oil or grease the seal lip.

2.1.	Leave the sleeve in the seal and use the sleeve as a guide to ease the seal lip over the end of the crankshaft.

2.2.	Push the housing with the seal, fully onto the crankshaft until the housing is against the gasket and the engine.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.