Land Rover Engine 2.0 Litre T Series. Manual — part 14
ENGINE
OVERHAUL
41
Crankshaft - remove
1. Remove big-end bearings.
2. Remove holding tool LRT-12-059.
NOTE: Ensure that main bearing caps are
numbered 1 to 5 and that arrow denoting
FRONT is cast on each cap.
3. Starting at centre main bearing cap and
working outwards, progressively slacken then
remove 10 main bearing cap bolts.
CAUTION: Keep bearing cap bolts in their
fitted order.
4. Remove 5 main bearing caps and main
bearing shells; discard shells.
CAUTION: Do not knock bearing caps
sideways to remove them or locating
dowels will be damaged.
5. Recover 2 thrust washer halves from centre
main bearing cap. Discard thrust washers if
crankshaft end-float exceeded specified figure.
6. Using assistance, lift crankshaft from cylinder
block.
7. Remove 5 main bearing shells and 2 thrust
washer halves. Discard thrust washers if
crankshaft end-float exceeded specified limits;
discard bearing shells.
8. Remove 2 Woodruff keys from crankshaft.
9. Clean crankshaft, blow out oil passages.
10. Clean bearing shell recesses and mating
surfaces of cylinder block.
11. Clean main bearing caps.
ENGINE
42
OVERHAUL
Crankshaft - inspection
1. Clean crankshaft, ensure all oilways are clear.
2. Check crankshaft journals for wear and ovality,
make three checks at 120
°
intervals in centre
of journals.
Crankshaft bearing journal diameters:
Main bearings = 54.005 to 54.026 mm
Big-end bearings = 47.648 to 47.661 mm
Maximum out of round - all journals = 0.010
mm
CAUTION: If crankshaft journals are worn,
crankshaft must be replaced. Main and
big-end bearings are only available in one
size.
3. Check thrust washers for wear and scoring,
replace if evident or if crankshaft end-float
exceeded specified limits.
Thrust washer thickness:
Standard =2.31 to 2.36 mm
Oversize = 2.38 to 2.43 mm
Crankshaft spigot bearing and bush - inspection
1. Check spigot bearing needle rollers and seal
for signs of wear, damage and overheating.
2. Check that spigot bearing is not loose in spigot
bush.
3. Check that outer end of spigot bearing is flush
with end of bush and that end of bush is flush
with counterbore in crankshaft.
ENGINE
OVERHAUL
43
Crankshaft spigot bearing and bush - remove
1. Remove spigot bearing using tool LRT-12-075,
discard bearing.
2. Remove spigot bush using tool LRT-12-127,
discard bush.
Crankshaft spigot bearing and bush - refit
1. Ensure that counterbore in crankshaft is clean
and dry.
2. Using a suitable hand press and tool
LRT-12-076, fit new spigot bearing to bush.
3. Position spigot bearing and bush in crankshaft
counterbore ensuring that nylon seal at end of
bearing is towards open end of counterbore.
4. Ensuring that spigot bush is kept square to
counterbore, fit bush and bearing using tool
LRT-12-076.
ENGINE
44
OVERHAUL
5. Drift bush and bearing in until outer end of
bush is flush with counterbore in crankshaft.
6. Apply 0.5 grammes of grease to Specification
NLG12, DIN 51285, SPEC. S-MIL-4515-A to
bearing rollers.
CAUTION: Take care that grease does not
fill counterbore behind bearing.
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