1990 MITSUBISHI SPYDER service

ENGINE OVERHAUL Generator and
INSTALLATION SERVICE POINTS,
POSITION
I N S T A L L A T I O N
Apply a 3 mm bead of form-in-place gasket (FIPG) to
t h e a r e a s h o w n .
Specified sealant: M i t s u b i s h i G e n u i n e P a r t N o .
or
equivalent.
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ENGINE OVERHAUL Timing Belt,
INSTALLATION SERVICE POINTS
CAMSHAFT SPROCKETS TIGHTENING
(1)Using a wrench, hold the camshaft at its hexagon (between
the No. 2 and No. 3 journals) and tighten the bolt to
the specification.
Caution
Locking the camshaft sprocket with a tool damages
the sprocket.
ENGINE SUPPORT BRACKET INSTALLATION
(1) Coat the bolts illustrated with
Specified sealant:
ATD Part No. 8660 or equivalent
SEALANT APPLICATION ON
PACKING
Specified sealant:
ATD Part No.

ENGINE OVERHAUL Exhaust Manifold and
O-ring
Identificationhole
Exhaust
manifold
INSTALLATION SERVICE
WATER PIPE/O-RING
Wet the O-ring (with water) to facilitate assembly .
C a u t i o n
Keep the O-ring free of oil or grease.
TURBOCHARGER
(1) the cone disc spring in shown direction.
(2) Tighten the turbocharger mounting bolts and
to
27
31 Nm 22
(3) Use the special tool orsimilar tighten more.
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ENGINE OVERHAUL Cylinder Head and Valves
colorSpring
retainer
Stem seal
, Spring seat
REMOVAL
PRECAUTION FOR PARTS
(1) Keep removed parts in order according to the cy linder,
number and intake/exhaust.
H E A D B O L T S R E M O V A L
(1) Using the special tool, the cylinder bolts.
Loosen evenly, little by little.
,
L O C K R E M O V A L
(1) Store removed valves, springs and other parts,‘ tagged
to indicate their cylinder No. and location for reassembly.
STEM SEAL REMOVAL
(1) Do not reuse valve stem seal.
INSTALLATION SERVICE POINTS
VALVE STEM SEAL INSTALLATION
(1) Install the valve spring seat.
(2) The special tool must be used to install the
stem
seal. Improper installation result in oil leaking ‘past
the valve guide.
Caution
Do not reuse the valve ,
VALVE SPRINGS INSTALLATION
(1) Direct the valve spring end with identification color end
toward the spring retainer.
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ENGINE OVERHAUL Cylinder Head and
Valve seat
contact
Margin
I
I
Free
height
INSPECTION
CYLINDER HEAD (1) Check the cylinder head gasket surface for flat ness by
using a straightedge and feeler gauge.
Standard value: 0.05 mm
in.)
Limit: 0.2 mm
in.)
(2) If the service limit is exceeded, correct to me et specifica-
tion.
Grinding limit: mm in.)
Includes combined with cylinder grinding.
Cylinder head height (Specification when
1 3 1 . 9 - 1 3 2 . 1 m m in.)
VALVE
(1)Check the valve face for correct contact. I/incorre ct, reface
using valve Valve seat contact should be main-
tained uniform at the center
valve face.
(2) the margin exceeds the service limit, replace the valve.
(3) Measure the valve’s total length. If the measurement is
less than specified, replace the valve.
VALVE
(1) Measure the free height of spring and, if it is smaller
than the limit, replace.
Standard value: 47.0 mm
in.)
Limit: 46.0 mm (1.811 in.)
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Front Case,
ENGINE OVERHAUL and Pan
Phillips screwdriver
F r o n tbearing
REMOVAL SERVICE POINTS
PAN REMOVAL
(1) Remove all oil pan bolts.
(2) Drive in the special tool between the
and.
oil pan.
NOTE
Never use a screwdriver or chisel, instead of
tool, as a deformed oil pan flange result in oil leakage.
PLUG REMOVAL
(1) If the plug is too tight, hit the plug head wit h a hammer
two to three times, and theplug will be easily loosened.
FLANGE BOLT REMOVAL
(1) Remove the plug on the side of cylinder block.
(2) Insert a Phillips screwdriver [shank diameter 8 mm
in.)] into the plug hole to lock the counterbalance shaft.
(3) Loosen the flange bolt.
COUNTERBALANCE FRONT
REMOVAL ,
Using the special tool, remove the counterbalance s haft
front bearing from the cylinder block.
NOTE
Be sure to remove the front bearing
If it has not been removed, the Rear Bearing Puller cannot
b e u s e d .
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11Front Case, ENGINE OVERHAUL Shaft and
Rear bearing
COUNTERBALANCE SHAFT REAR BEARING
REMOVAL
Using the special tool, remove the counterbalance shaft
. rear bearing from the cylinder block.
NOTE
When removing the left counterbalance shaft, install the
special tool
to the front of the cylinder block.
INSTALLATION SERVICE POINTS
RIGHT COUNTERBALANCE REAR
BEARING INSTALLATION
(1) Apply engine oil to the outer surface of bearin g.
(2) Using special tools, install right rear bearing .
that oil hole of bearing is aligned oil hole of
block.
,
LEFT COUNTERBALANCE SHAFT
BEARING INSTALLATION
(1) Install the special tool (GUIDE to
block.
(2) Apply engine oil to the rear bearing outer
and bearing hole in cylinder block.
(3) Using the special tool, install’ the rear
NOTE
The left rear bearing has no oil holes.
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ENGINE OVERHAUL Piston and Connecting Rod
Piston pin
Base
Front
Base
Connecting rod
guide pin
StopLock nut
1
INSTALLATION SERVICE
PIN INSTALLATION
(1) Thread the stop screw and lock nut
into the
base. Fit the correct piston support on top of the base,
the press pin, threaded end up, into hole in
the piston support until the
pin touches the stop
screw.
(2) Using the markings on the pin, stop
screw to the depth as shown below.
Depth: Refer to the operating instructions on the
tool.
(3) Place the base on press support blocks.
(4) Slide the piston pin over the threaded end of t he press
pin, and thread the correct guide pin
it.
(5) Coat the piston pin with oil, and
connecting rod
held in position, slide the guide
through the piston’
and connecting rod.
(6) Press the piston pin through’ until the
guide pin contacts the stop screw.
(7) Remove the piston
from the base. Remove
the guide pin and press pin from the assembly.
Due to production tolerance variations,
it is necessary to visually check the piston pin de pth
after installation to verify that the piston pin is cen-
tered. Adjust if
(8) Check that the piston moves smoothly.
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