Toyota Land Cruiser 1988 Repair Manual page 84

ENGINE MECHANICAL- Cylinder Block EM-53
EM1299
EM1303
NOTE:
• Keep the bearings, connecting rod and cap together.
• Arrange the piston and connecting rod assemblies in
correct order.
5. CHECK CRANKSHAFT THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while
prying the crankshaft back and forth with a screwdriver.
6.
Standard thrust clearance:
0.015- 0.204
mm
(0.0006- 0.0080
in.}
Maximum thrust clearance:
0.30
mm
(0.0118
in.}
If the clearance is greater than maximum, replace the
thrust washers as a set.
Thrust washer size: STD. 0/S
0.125, 0.25
REMOVE MAIN BEARING CAPS AND CHECK OIL
CLEARANCE
(a) Uniformly loosen and remove the main bearing cap
bolts in several passes, in the sequence shown.
{b) Using the removed main bearing cap bolts, wiggle
the cap back and forth, and remove the caps, lower
bearings and lower thrust washers (No.3 cap only).
NOTE:
• Keep the lower bearing and main bearing cap together.
• Arrange the main bearing caps and lower thrust wash-
ers in correct order.
(c) Lift out the crankshaft.
NOTE: Keep the upper bearings and upper thrust wash-
ers together with the cylinder block.
(d) Clean each journal and bearing.
(e) Check each journal and bearing for pitting and
scratches.
If the journal or bearing is damaged, replace the bearings.
If necessary, grind or replace the crankshaft.