Toyota T100 1996 Service Manual page 800

Plastigage
1996 TOYOTA T100 (RM449U)
ENGINE MECHANICAL (3RZ−FE)
17.
Using a dial indicator, measure the thrust clearance while mov-
ing the connecting rod back and forth.
If the thrust clearance is greater than maximum, replace the
connecting rod assembly. If necessary, replace the crankshaft.
P14772
18.
(a)
(b)
(c)
HINT:
Keep the lower bearing inserted with the connecting rod cap.
P14773
(d)
(e)
(f)
If the crank pin or bearing is damaged, replace the bearings. If
necessary, grind or replace the crankshaft.
P14776
(g)
(h)
NOTICE:
Do not turn the crankshaft.
(i)
P14777
(j)
P14781
− CYLINDER BLOCK
CHECK CONNECTING ROD THRUST CLEARANCE
Standard thrust clearance:
0.160 − 0.312 mm (0.0063 − 0.0123 in.)
Maximum thrust clearance:
0.35 mm (0.0138 in.)
REMOVE CONNECTING ROD CAPS AND CHECK OIL
CLEARANCE
Using a punch or numbering stamp, place the matchmark
on the connecting rod cap to ensure correct reassembly.
Remove the connecting rod cap nuts.
Using a plastic−faced hammer, lightly tap the connecting
rod bolts and lift off the connecting rod cap.
Cover the connecting rod bolts with a short piece of hose
to protect the crankshaft from damage.
Clean the crank pin and bearing.
Check the crank pin and bearing for pitting and scratches.
Lay a strip of Plastigage across the crank pin.
Install the connecting rod cap with the 2 nuts (See page
EM−95).
Torque:
1st 45 N·m (460 kgf·cm, 33 ft·lbf)
2nd Turn 90°
Remove the 2 nuts and connecting rod cap (See proce-
dure (b) and (c) above).
Measure the Plastigage at its widest point.
Standard oil clearance:
STD
0.030 − 0.055 mm (0.0012 − 0.0022 in.)
U/S 0.25
0.031 − 0.071 mm (0.0012 − 0.0026 in.)
Maximum oil clearance:
0.10 mm (0.0039 in.)
EM−77