Remove Piston And Connecting Rod Assemblies; Check Crankshaft Thrust Clearance - Toyota 3b Repair Manual

ENGINE MECHANICAL
-
Cylinder Block
EM-71
e5)
, colored
rlect
one
'
on the
,lace the
lft.
14.
REMOVE PISTON
AND CONNECTING
ROD
ASSEMBLIES
(a)
Remove
allthe carbon from the piston ring
ridge.
(b)
Cover
the connecting rod bolts. (
See
page EM-69)
(c)
Push
the piston, connecting rod assembly and upper
bearing out through the top of the cylinder.
HINT:
o
Keep
the bearings, connecting rod and
cap together.
o
Arrange
the piston and connecting rod assemblies
in
correct order.
1
5.
CHECK CRANKSHAFT THRUST CLEARANCE
Using a dial indicator, measure the thrust clearance while
prying the crankshaft
back
and forth
with
a
screwdriver.
Standard thrust
clearance:
O.O4O
-
O.25O mm
(O.OO16
-
O.OO98
in.)
Maximum thrust
clearance:
O.4O
mm (O.O157 in.)
lf
the
clearance
is
greater
than
maximum, replace the
thrust washers
as a set.
Thrust washer thickness:
mm
(in.)
;;^",
I
hickness
I
-14Bb
I
'-
o.osest
I
.-14eo
I
- o.osezt
I
-
1.61o
I
-ooss+r
I
-173s
I
-o.ooest
I
-
1.s8s
I
-
o.ozet
t
I
-148s
I
-
o.osasl
I
-1
4eo
I
- o.osezy
I
-1610
I
i-o.oog+r
I
r-
1.735
I
- o.ooasr
I
;;8s
_l
r-
o.ozar r
I
I
;
<F
Front
>,---
EM61
39
6
STD size
o/s
0.125
o,/s
0.250
2.430
-
2.48O mm
(0.0957
-
O.0976 in.)
2.493
-
2.543 mm
(0.0981
-
O.1OO1
in.)
2.555
-
2.6O5 mm
(O.1006
-
O.1O26 in.)
16. REMOVE
MAIN
BEARING CAPS
AND
CHECK OIL
CLEARANCE
(a)
Remove
the main bearing cap bolts.