Page 146 of 2103
ENGINE OVERHAUL.
FRONT CASE, COUNTERBALANCE SHAFT AND OIL
REMOVAL AND INSTALLATION
1 3 1
24 Nm17
10 Nm
I18I I
76
17 Nm
19 Nm 101 4
45 Nm
33. . Nm
17I
10 Nm19 Nm14
40 Nm
5
Removal steps
Oil filter
2. Oil cooler bolt
3. Oil cooler
4. Drain plug
5. Drain plug gasket
6. Oil pan
7.Oil screen
8. Oil screen gasket
9. Baffle plate 10. Plug11. O-ring 12. Flange bolt 13. Oil pressure switch 14. Oil pressure gauge unit15. Relief plug
16. Gasket 17. Relief spring
18. Relief plunger
TSB Revision 19. Oil filter bracket
20. Oil filter bracket gasket
21. Oil pump cover
22. Oil pump driven gear 23. Oil pump drive gear 24. Crankshaft front oil seal
25. Oil pump oil seal 26. Counterbalance shaft oil seal 27. Front case
28. Front case gasket
29. Counterbalance shaft, left
30. Counterbalance shaft, right
31. Counterbalance shaft, front 32. shaft, rear
33. shaft, rear bearing,
Page 149 of 2103
Front Case, Counterbalance
ENGINE OVERHAUL Shaft and
C y l i n d e rblock
COUNTERBALANCE
INSTALLATION
(1) Using special tools, install front bearing., ,
FRONT CASE
(1) Place the special tool on the front end of crankshaft and
apply a thin coat of engine oil to the outer
of the special tool to install the front
(2) Install the front case assembly through a new f ront case
gasket and temporarily tighten the flange bolts (ot her
than those for tightening the filter bracket).
COUNTERBALANCE SHAFT OIL SEAL
INSTALLATION
Page 152 of 2103
Front Case, ENGINE OVERHAUL Shaft and. Pan
Crank pulley side
8 mm bolts
Oil pan viewed from lower side
Drain pigasket
P A N .
(1) Clean both mating surfaces of and cylinder block.
(2) Apply a 4 mm in.) wide bead of to the entire
circumference of the oil pan flange.
Specified sealant:
MITSUBISHI GENUINE or
equivalent
NOTE. .
Be sure to install the oil pan quickly the sealant’
is wet (within 15 minutes);
(2) After installation, keep the sealed area
from,,
the oil and coolant for approx.
hour.
, .
(3) Note the difference in bolt lengths at the loca
tion
DRAIN PLUG GASKET INSTALLATION
Install the drain plug gasket in the direction show n in the
illustration.
OIL COOLER INSTALLATION
First insert the oil cooler projecting stopper in t he oil filter
bracket groove and then tighten the oil cooler
TSB Revision
Page 153 of 2103
Front Case,
ENGINE OVERHAUL Shaft and
Bracket side OIL FILTER INSTALLATION
(1) Clean the installation surface of the filter br acket.
(2) Apply engine oil to the O-ring of the oil filte r.
(3) Screw the oil filter in until the O-ring contacts the bracket.
Then tighten
turn [tightening torque: Nm (12
NOTE
For tighten one [Tightening torque:
14 Nm (10
after the O-ring contacts the bracket.
TSB I
Page 177 of 2103

ENGINE Troubleshooting,
TROUBLESHOOTING
Symptom Probable causeRemedy
Compression too low Cylinder head gasket blown Replace gasket
Piston ring worn or damaged Replace rings
Piston or cylinder worn Repair or replace piston
cylinder
block
Valve seat worn or damaged Repair or replace valve seat ring
Oil pressure drop Engine oil level too low Check engi ne oil level
Oil pressure switch faulty Replace oil pressure switch
Oil filter clogged
Install new filter
Oil pump gears or cover
Replace gears and/or cover
Thin or diluted engine oil Change engine correct
Oil relief valve stuck (open) Repair relief valve
Excessive bearing clearance Replace bearings
pressure too highOil relief valve stuck (closed) Repair relief valve
valves Incorrect lash adjuster Bleed air or replace lash adjuster
Thin or diluted engine oil (low oil pressure) Change engine oil
Valve stem or valve guide worn or damaged Replace va lve
guide
rod noise/lnsuff oil supplyCheck engine oil level
nain bearing noise Low oil pressure Refer
pressure drop”
Thin or diluted engine oil Change engine oil
Excessive bearing clearance Replace bearings
belt noiseIncorrect belt tension
Adjust belt tension replace-timing
belt
engine rolling Loose engine roll stopper (Front, Re
ar)Retighten
vibration
Loose transaxle mount bracket Retighten
Loose engine mount bracket Retighten
Loose center member Retighten
Broken transaxle mount insulator
Replace
Broken engine mount insulatorReplace
Broken roll stopper insulatorReplace
TSB Revision
Page 213 of 2103

ENGINE OVERHAUL
Items
Engine coolant temperature sensor
Fuel and emission control parts
EGR tube
EGR valve
Intake manifold
11 8
Intake manifold air temperature sensor
Manifold absolute pressure sensor
Intake manifold
Exhaust manifold
Exhaust manifold
Camshaft and cam follower
Cvlinder head cover
Bearing head cover
No.5 12
No.1, 628 20
Cvlinder head and
valve.
7
21 . 4
231 7 :
23 17
Cylinder head bolt
Oil pan and oil pump
Oil filter
Adapter
Oil
Oil pick-up tube
Oil pump
Oil pump
Relief valve retaining cap
Long bolt87
Short bolt2820
21,
12
2 8
23
54
Oil pump cover
Piston, connecting rod and cylinder block
Connecting rod cap bolt
1 2
2720
Knock sensor 10I
SEALANTS
Engine coolant temperature sensor
switch
Camshaft bearing cap
Oil pump
Bed plate to oil pan gasket
Oil pressure switch Bed plate to cylinder block Specified sealant
Loctite 24200 or equivalent
Loctite 24200 or equivalent
Loctite 51817 or equivalent
Loctite 51817 or equivalent
Loctite 18718 or equivalent
Loctite 24200 or equivalent
Loctite 19614 or equivalent
TSB Revision
Page 245 of 2103
ENGINE OVERHAUL Oil Pan,
Special tool
REMOVAL
(1) Remove flywheel or drive plate:
(2) Remove rear plate.
‘Remove oil filter.
(4) Remove adapter.
. .
(5) Drain engine oil and remove oil pan.
(6) Clean oil pan and all gasket surfaces.
(7) Remove oil pick-up tube.
( 8 ) R e m o v e c r a n k s h a f t using T o o l ,
Caution
Do not nick shaft seal surface or seal
(9) Use Tool to remove front,
careful not damage the
oil pump.
TSB Revision
Page 247 of 2103
E N G I N E O V E R H A U L Oil ‘Pan and Oil Pump
Locating
I
adapter
Locate wrench
at base of filter
(7)Apply Loctite 18716 or equivalent at the to
bed plate parting line.
(8) Install the oil pan gasket to the plate. Mopar
Silicone Rubber Adhesive Sealant or equivalent to h old
in place.
(9) Install oil pan and tighten the to 12 Nm (9
(lO)Ensure O-ring is in the groove on adapter. Alig n roll
pin into engine block and tighten assembly to 55 Nm
(40
Caution
When servicing the oil filter avoid deforming the f ilter
can by installing the remove/install tool band strap
against the can-to-base lockseam. The join-
ing the can to the base is reinforced by the base
plate.
new filter gasket and install it on filter.
filter mounting surface. The surface must be
smooth, flat and free of debris or old pieces of rubber.
filter on until gasket contacts base. Tighten to
turn or Torque to 21 Nm (15
rear plate.
flywheel or drive plate.
TSB Revision