Toyota 1HD-FT Repair Manual page 86

ENGINE - ENGINE MECHANICAL
EG-73
NO.6
N 4 NO.5
o. ~.
4.
INSPECT CYLINDER BORE DIAMETER
HINT: There are 3 sizes of the standard cylinder bore
diameter. marked "'1·, "2" and "'3" accordingly. The
mark is stamped on the top of the cylinder block.
EG
Front
ED
CD
Th,""
2
SV _
1 Direction
.. GD
Axial
®
Direction
~ '0mm
I -A- (0.39 in.)
- B _.
-C~
l 10mm
10.39 in.!
11~1
Using a cylinder gauge, measure the cylinder bore
diameter at positions A. Band C in the thrust and axial
directions.
Standard diamet.r:
STO
Mark .,.
94.000 - 94.010 mm (3.7001 - 3.7012 in.)
Mark -2-
94.010 - 94.020
mm
(3.7012 - 3.7016
in.)
Mark -3-
94.020 - 94.030 mm (3.7016 - 3.7020 in.)
Maximum diamet.r:
STD
94.23 mm (3.7098 in.)
O/S 0.50
94.73 mm (3.7295 in.)
If the diameter is greater than maximum. rebore all the
6 cylinders. If necessary. replace the cylinder block.
5. REMOVE CYLINDER RIDGE
If the wear is less than 0.2 mm (0.008 in.). using a
ridge reamer, grind the top of the cylinder.
Thre1'ld
End
(
6. INSPECT MAIN BEARING CAP BOLTS
Using vernier calipers. measure the thread outside
diameter at the measuring point.
St.nd.rd di.meter:
11.800 - 12.000 mm (0.4646 - 0.4724 in.)
Minimum di.meter:
11.50 mm (0.4528 in.)
If the diameter is less than minimum. replace the bolt.