JAC J2 User Manual

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Maintenance Manual for J2 Sedan
Mechanical Part of Engine
89
Item
Standard
Value
Limits
Oil pump and oil pan
Addendum
gap
of
oil
pump
0.06-0.18
—
Side
clearance
of
oil
pump(mm)
0.04-0.1
1
—
Clearance of oil
pump
housing
0.10-0.18 0.35
Piston and connecting rod
Reference outer diameter of piston
(mm)
75.0 —
1
st

piston
ring
0.03-0.07
0.1
Side clearance of piston ring mm)
2
nd

piston
ring
0.02-0.06 0.1
1
st

piston
ring
0.15-0.30
0.8
2
nd

piston
ring
0.30-0.50 0.8
Gap of piston ring opening (mm)
Oil
ring
0.20-0.50
1.0
Outer diameter of
piston
pin
(mm)
18.0 —
Pressing
load
on
piston
pin
(under
room
temperature)
(N)
4900-14
700
—
Oil gap of crankshaft
pin (clearance of connecting rod journal)
(mm)
0.02-0.04 0.1
Side
clearance
of
big
end
of
connecting
rod
(mm)
0.10-0.25
0.4
Crankshaft and cylinder body
Axial
clearance
of
crankshaft
(mm)
0.09-0.27
0.25
Diameter
of
main
journal
of
crankshaft
(mm)
48.0
—
Diameter of
connecting
rod
journal
(mm)
42.0
—
Clearance
of
main
journal
of
crankshaft
(mm)
0.02-0.04
0.1
Plainness
of
surface
of
cylinder
body
gasket
(mm)
<0.03
0.1
Total
height
of
cylinder
body
(mm)
256
—
Cylindricality
of
cylinder
body
(mm)
0.01
—
Reference
cylinder
bore
(mm)
75.0 — —
Clearance
between
piston
and
cylinder
(mm)
0.02-0.04
—

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English