L322 Range Rover Service Procedures
ENGINE - V8
12-2-82 OVERHAUL
2. Measure and record each main journal
diameter. Take 4 measurements at 90
°
intervals on each journal to check size and
ovality.
3. If crankshaft journals are worn, oval, or scored,
then the crankshaft must be replaced.
4. Clean crankshaft, ensure oil ways are clear of
obstructions.
5. Clean main bearing caps and bearing shell
locations in cylinder block; ensure bearing cap
bolt holes are clean and dry.
6. Clean original main bearing cap bolts and
lightly oil bolt threads.
7. If crankshaft or main bearing shells are being
replaced, ignore previous colour code selection
and fit only yellow coded bearing shells of
appropriate size to the cylinder block.
8. Lubricate bearing shells with engine oil.
9. Carefully fit crankshaft to cylinder block.
10. Fit adjustable spacers fully into main bearing
caps.
11. Fit new appropriate size main bearing shells of
the correct colour code to the main bearing
caps.
12. Place a strip of Plastigauge across each main
bearing journal.
13. Fit main bearing caps and fit original bolts.
Tighten bolts evenly and progressively to 20
Nm (15 lbf.ft) then, using an angle torque
gauge, tighten a further 100
°
.
CAUTION: Do not rotate the crankshaft
when plastigauge is being used.
14. Progressively loosen and remove main bearing
bolts, bearing caps and shells.
15. Using the scale provided, measure the width of
Plastigauge on each main bearing journal and
compare with specified bearing clearances.
16. If clearances are incorrect, select alternative
main bearing cap shell(s) from the range
available and repeat check.
17. Lift out crankshaft, remove all traces of
Plastigauge from main bearing journals using
clean engine oil and a cloth.
18. Fit selected bearing shells to main bearing
caps.
19. Lubricate bearing journals and main bearing
shells with clean engine oil.
20. Fit crankshaft and fit the main bearing caps
numbers 1 to 4.
21. Clean crankshaft thrust washers.
22. Lubricate crankshaft thrust washers with clean
engine oil.
23. Fit selected crankshaft thrust washers to
cylinder block.
CAUTION: Crankshaft thrust washers must
be fitted with the oil grooves facing the
crankshaft.
M12 7987
M12 7861
mm
.025
.038
.051
.076