B4000 Regular Cab 4WD V6-4.0L OHV (1997)
Crankshaft Main Bearing Seal: Service and Repair
REMOVAL
1. Disconnect the negative battery cable.
2. Remove the engine assembly.
3. Cut the rear oil seal lip with a razor knife.
4. Remove the rear oil seal by using a screwdriver protected with a rag.
INSTALLATION
1. Apply a small amount of clean engine oil to the lip of the new oil seal.
2. Push the oil seal slightly in by hand.
3. Install the oil seal using two flywheel bolts and the SST# 49 UN01 136.
4. Measure from the rear face of cylinder block to the oil seal.
Specification: 10.7-10.9 mm (0.421-0.425 in)
