Bronco L6-300 4.9L VIN Y 1-bbl (1983)
Crankshaft Main Bearing Seal: Service and Repair
Installation
1. Clean, inspect, and polish the rear oil seal rubbing surface on the crankshaft.
2. Coat new oil seal and crankshaft with a light film of engine oil.
Crankshaft Rear Oil Seal.
CAUTION: Do not apply grease on seal for lubrication.
3. Start the seal into the recess with the seal lip facing FORWARD and install it with a rear oil seal replacer tool. Keep the tool straight with the
centerline of the crankshaft and install the seal until the tool contacts the cylinder block surface. Remove the tool and inspect the seal to ensure it
was not damaged during installation.
4. Install the engine rear cover plate. Position the flywheel on the crankshaft flange. Coat the threads of the flywheel attaching bolts with Pipe Sealant
with TEFLON(R) or equivalent, and install the bolts. Tighten the bolts in sequence across from each other to 102-115 Nm (75-85 ft-lbs).
5. On a manual shift transmission, install the clutch disc and the pressure plate assembly.
6. Install the transmission. On an automatic transmission, do not adjust the transmission linkage.
