RAM 1500 Van V8-5.2L VIN Y (1999)
Crankshaft: Service and Repair
Removal and Installation
Location Of Crankshaft Identification
A crankshaft which has undersize journals will be stamped with 1/4 inch letters on the milled flat on the No.8 crankshaft counterweight.
FOR EXAMPLE: R2 stamped on the No.6 crankshaft counterweight indicates that the No.2 rod journal is 0.025 mm (0.001 in) undersize. M4
indicates that the No.4 main journal is 0.025 mm (0.001 in) undersize. R3 M2 indicates that the No.3 rod journal and the No.2 main journal are 0.025
mm (0.001 in) undersize.
When a crankshaft is replaced, all main and connecting rod bearings should be replaced with new bearings. Therefore, selective fitting of the bearings
is not required when a crankshaft and bearings are replaced.
REMOVAL
1. Remove the oil pan.
2. Remove the oil pump from the rear main bearing cap.
3. Identify bearing caps before removal. Remove bearing caps and bearings one at a time.
4. Lift the crankshaft out of the block.
5. Remove and discard the crankshaft rear oil seals.
6. Remove and discard the front crankshaft oil seal.
CLEANING
Clean Loctite 518 residue and sealant from the cylinder block and rear cap mating surface. Do this before applying the Loctite drop and the
installation of rear cap.
INSTALLATION
Clean the cylinder block rear cap mating surface. Make sure the seal groove is free of debris.
1. Lightly oil the new upper seal lips with engine oil.
2. Install the new upper rear bearing oil seal with. the white paint facing towards the rear of the engine.
3. Position the crankshaft into the cylinder block.
4. Lightly oil the new lower seal lips with engine oil.
5. Install the new lower rear bearing oil seal into the bearing cap with the white paint facing towards the rear of the engine.
Sealant Application To Bearing Cap
