Toyota Land Cruiser 1988 Repair Manual page 83

EM-52 ENGINE MECHANICA -Cylinder Block
(h) Install the connecting rod cap.
(See step 7 on page EM-72)
Torque:
600
kg-em
(43
ft-lb,
59
N·m)
NOTE: Do not turn the crankshaft.
(i) Remove the connecting rod cap.
(j) Measure the Plastigage at its widest point.
Standard oil clearance:
STD size
0.020 - 0.050
mm
(0.0008- 0.0020 in.)
U IS 0.25
and
0.50 0.019 - 0.063
mm
Maximum oil clearance:
0.10
mm
(0.0039
in.)
If the oil clearance is greater than maximum, replace the
bearings. If necessary, grind or replace the crankshaft.
NOTE: If using a standard bearing, replace with one
having the same number marked on the connecting rod
cap.
There are three sizes of standard bearings, marked
A,
B
and C.
(Reference}
Standard bearing thickness (at center wall):
Mark "A" 1 .484 - 1 .488 mm
(0.0584 -0.0586
in.)
EM43so
Mark
"B" 1.488- 1.492
mm
~----------------------~~
(0.0586- 0.0587
in.)
Mark "C" 1.492 - 1.496 mm
(0.0587- 0.0589
in.)
(k) Completely remove the plastigage.
4. REMOVE PISTON AND CONNECTING ROD
ASSEMBLIES
(a) Remove all the carbon from the top of the cylinder.
· (b) Cover the rod bolts with a short piece of hose to
protect the crankshaft from damage.
(c) Push the piston, connecting rod assembly and the
upper bearing through the top of the cylinder block.