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Thrust Direction
Axial Direction
10 mm
A
B
C
10 mm
29.8 mm
1ZZ–FE,3ZZ–FE ENGINE REPAIR MANUAL
(RM923E)
ENGINE MECHANICAL
–
CYLINDER BLOCK (1ZZ–FE/3ZZ–FE)
15.
INSPECT CYLINDER BLOCK FOR FLATNESS
(a)
Using a precision straight edge and feeler gauge, mea-
sure the surface contacting the cylinder head gasket for
warpage.
Maximum warpage: 0.05 mm (0.0020 in.)
A01169
16.
INSPECT CYLINDER BORE
(a)
Using a cylinder gauge, measure the cylinder bore diame-
ter at positions A, B and C in the thrust and axial direc-
tions.
Standard diameter:
79.000 – 79.013 mm (3.1102 – 3.1108 in.)
Maximum diameter: 79.013 mm (3.1108 in.)
If the diameter is greater than the maximum, replace the cylin-
der block.
A62802
17.
INSPECT PISTON DIAMETER
(a)
Using a micrometer, measure the piston diameter at a
right angle to the piston pin hole, and at the piston of 29.8
mm (1.173 in.) from the piston head.
Piston diameter:
1ZZ–FE 78.925 – 78.935 mm (3.1073 – 3.1077 in.)
3ZZ–FE 78.955 – 78.965 mm (3.1085 – 3.1089 in.)
A62803
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