Toyota 1 MZ–FE Manual page 144

EG2–144
1MZ–FE ENGINE – ENGINE MECHANICAL
Measure the Plastigage at its widest point.
Standard oil clearance:
0.038 – 0.064 mm (0.0015 – 0.0025 in.)
Maximum oil clearance:
0.08 mm (0.0031 in.)
If the oil clearance is greater than maximum, replace
the bearings. If necessary, grind or replace the crank–
shaft.
HINT: If replacing a bearing, replace it with 1 having
the same number as marked on the connecting rod.
There are 4 sizes of standard bearings, marked "I",
"2", "3" and "4" accordingly.
Reference:
Connecting rod big end inside diameter:
Mark '1"
518.000 – 56.006 mm (2.2047 – 2.2050 in.)
Mark '2'
56.006 – 56.012 mm (2.2050 – 2.2052 in.)
Mark '3'
56.012 – 56.018 mm (2.2052 – 2.2054 in.)
Mark "4'
56.018 – 56.024 mm (2.2054 – 2.2057 in.)
Crankshaft crank pin diameter:
52.994 – 53.000 mm (2.0864 – 2.0868 in.)
Standard sized bearing center wall thickness:
Mark '1'
1.484 – 1.487 mm (0.0584 – 0.0585 in.)
Mark '2'
1.487 – 1.490 mm (0.0585 – 0.0587 in.)
Mark '3'
1.490 – 1.493 mm (0.0587 – 0.0588 in.)
Mark W
1.493 – 1.496 mm (0.0588 – 0.0589 in.)
(j) Completely remove the Plastigage.
4. REMOVE PISTON AND CONNECTING ROD
ASSEMBLIES
(a) Using a ridge reamer, remove all the carbon from the
top of the cylinder.
(b) Push the piston, connecting rod assembly and upper
bearing through the top of the cylinder block.