XJ-S V12-5.3L (1982)
Connecting Rod Bearing: Service and Repair
NOTE: This operation should only be carried out if crankshaft damage is not suspected and the problem is due to bearing shell wear or failure. If, upon
inspection, journals are found to be damaged, the engine must be removed and the crankshaft renewed.
- Raise the vehicle on a ramp.
- Remove the sump plug and drain the oil into a suitable container.
Oil Pan Bolts
- Remove the sump pan securing bolts and remove the sump pan.
Fig. 10 Suction Elbow And Sandwich Plate Removal
- Remove the suction elbow, remove the sandwich plate securing bolts and remove the plate, noting the different stud lengths.
Oil Pickup Pipe
- Remove the suction pipe securing bolts, and disconnect the suction pipe from the elbow.
- Remove the delivery pipe/undershield securing bolts, and draw the undershield clear.
- Rotate the crankshaft until two journals are outermost.
- Remove the securing nuts, bearing caps and shells from the connecting rods on one journal noting the cap to connecting rod relationship.
CAUTION:Do not rotate the crankshaft while the bearing caps are disconnected.
- Clean all components and bearing surfaces.
- Coat the connecting rod bearing surface liberally with clean engine oil.
- Fit a new bearing shell half into the connecting rod, ensuring that the bearing shell tab is correctly located in the connecting rod.
- Coat the bearing shell with oil. Pull the connecting rod down on to the crankshaft journal.
- Coat the connecting rod cap bearing surface liberally with clean engine oil.
- Fit a new bearing shell half into the connecting rod cap, ensuring that the bearing shell tab is correctly located. Coat the bearing shell with oil.
- Fit the connecting rod cap.
