Check Piston Pin Fit; Inspect Connecting Rods; Standard End Gap; Maximum End Gap - Toyota 7M-GE Repair Manual

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ENGINE
MECHANICAL
-. Cylinder
Block
E,M.+$
i
-.
:
:
. . .
. .
'.
:
t',
::
,c ;
':
:'
::
;
. .
:
,i
(c)
Using a thickness
gauge, measure
the end
.':
.Standerd
enb gap:
No. 1
7M-GE
(w/o TWC)
and 7M-GTE
0.29 - 0.44 mm (0.0114
- 0.0173
in.)
7M-GE
(w/ TWC)
.
0.23 - 0.38 mm (0.0091
- 0.0150
in.)
No. 2
0.25 - 0.53 mm (0.0098
- 0.0209
in.)
Oil (Side rail)
7M-GE
(w/o TWC)
and +M-GTE
0.10
0.44 mm (O.dO3g
- 0.0173
in.)
7M-GE
(w/ TWC)
0.10 - 0.40 mm (0.0039
- 0.0157
in.)
Maximum
end gap:
No. 1
7M-GE
(w/o T&Z)
and '7M-GTE
0.74 mm (0.0291
in.)
7&l-GE
(w/ TWC)
*
0.88 mm IO.0268
in.)
No. 2
1.13 mm (0.0445
in.)
Oil (Side rail)
7M-GE
(w/o TWC)
and 7M-GTE
1.04 mm (0.0409
in.)
7M-GE
(w/ TWC)
1.00 mm (0.0394
in.)
If the gap is greater
than maximum,
replace the piston
ring.'lf
the gap is greater than maximum,
even with a new
piston ring, rebore the cylinder
and use an O/S piston ring.
5.
CHECK
PISTON
PIN FIT
At
(14OOF) you should
be.able
to push the pin into
the piston with your thumb.
If the pin can be installed
at a lower temperature,
replace
the piston.
8.
INSPECT
CONNECTING
RODS
(a)
Using a rod aligner
and thickness
gauge, check the
connecting
rod alignment.
0 Check for bend.
Maximum
bend:
0.05 mm (0.0020
in.) per 100 mm (3.94 in.)
If bend is greater
than maximum,
replace the connecting
assembly.

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