P12697
P12698
P14127
Number Mark
Number
Mark
P12500
-
ENGINE MECHANICAL
CYLINDER BLOCK
EM-93
1036
Author:
Date:
2001 SIENNA (RM787U)
(g)
Install the connecting rod cap with the 2 bolts.
(See page
Torque:
1st: 24.5 N·m (250 kgf·cm, 18 ft·lbf)
2nd: Turn extra 90
°
NOTICE:
Do not turn the crankshaft.
(h)
Remove the 2 bolts, connecting rod cap and lower bear-
ing. (See procedure (b) and (c) above)
(i)
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 bear-
ings. If necessary, grind or replace the crankshaft.
HINT:
If replacing a bearing, replace it with one having the same num-
ber as marked on the connecting rod. There are 4 sizes of stan-
dard bearings, marked ”1”, ”2”, ”3” and ”4” accordingly.
Reference:
Standard bearing center wall thickness:
Mark
mm (in.)
”1”
1.484 - 1.487 (0.0584 - 0.0585)
”2”
1.487 - 1.490 (0.0585 - 0.0587)
”3”
1.490 - 1.493 (0.0587 - 0.0588)
”4”
1.493 - 1.496 (0.0588 - 0.0589)
(j)
Completely remove the Plastigage.
23.
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.
HINT:
Keep the bearings, connecting rod and cap together.
Arrange the piston and connecting rod assemblies in the
correct order.
