L322 Range Rover Service Procedures
ENGINE - V8
OVERHAUL 12-2-77
6. Remove bearing shell from connecting rod,
discard the bearing shell.
NOTE: Blue colour coded big-end bearing
shells are fitted to the connecting rods and Red
colour coded big end bearing shells are fitted to
the bearing caps.
7. Repeat above procedure for remaining
connecting rod bearings. Keep big-end bearing
caps in fitted order.
Inspect
1. Wipe big-end journals, new bearing shells,
connecting rods and bearing caps.
2. Measure and record each crankshaft big-end
journal diameter, taking 4 measurements at 90
°
3. Clean and lubricate the original big end bearing
cap bolts.
4. Position crankshaft with journal at BDC.
5. Fit a new BLUE colour coded big-end bearing
shell to the connecting rod.
6. Fit a new RED colour coded big-end bearing
shell to the bearing cap.
7. Pull connecting rod onto big-end journal.
8. Place a strip of Plastigauge across the big-end
journal.
9. Fit big-end bearing cap, ensure reference
marks on connecting rod and the cap are
aligned.
CAUTION: Do not rotate the crankshaft
when plastigauge is being used.
10. Fit the original big end bearing cap bolts and
tighten to 5 Nm (3.7 lbf.ft), then tighten to 20
Nm (15 lbf.ft) and finally, using an angle gauge,
tighten a further 80
°
.
CAUTION: Do not rotate the crankshaft
when plastigauge is being used.
11. Remove bolts securing cap to connecting rod
and remove the bearing cap.
12. Using the scale provided, measure the width of
plastigauge on journal and compare with
bearing clearance.
13. If correct bearing clearance cannot be obtained
with the available bearing shells, the crankshaft
must be replaced.
14. Retain selected bearing shells with connecting
rod and bearing cap.
15. Remove all traces of Plastigauge using clean
engine oil and a cloth.
16. Repeat the above procedure for the remaining
big-end bearings.
17. After completion of big-end bearing clearance
checks, discard original bearing cap bolts.
Reassembly
1. Lubricate crankshaft journals and selected
bearing shells with clean engine oil.
2. Pull connecting rod onto its journal making sure
the bearing shell is located correctly.
3. Fit big-end bearing cap, ensure reference
marks on connecting rod and the cap are
aligned.
4. Clean and lubricate new big-end bearing cap
bolts.
5. Fit the new big end bearing cap bolts and
tighten to 5 Nm (3.7 lbf.ft), then tighten to 20
Nm (15 lbf.ft) and finally, using and angle
gauge, tighten a further 80
°
.
Refit
1. Fit oil pump.
M12 7860
M12 7861
mm
.025
.038
.051
.076