Mitsubishi Eclipse. Manual — part 862

ROCKER ARMS AND CAMSHAFT

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-25

ROCKER ARMS AND CAMSHAFT

REMOVAL AND INSTALLATION

M1113005400198

AK101647

APPLY ENGINE OIL
TO ALL MOVING
PARTS BEFORE
INSTALLATION.

1

2

4

3

5

6

7

15

9

10

14

13

14

13

14

12

18

13

14

12

13

12

17

20

16

12

17

17

19

17

11

8

AC

10 ± 2 N·m
87 ± 17 in-lb

3.4 ± 0.5 N·m
30 ± 4 in-lb

31 ± 3 N·m
23 ± 2 ft-lb

REMOVAL STEPS

1. BREATHER HOSE
2. PCV HOSE
3. PCV VALVE
4. OIL FILLER CAP
5. ROCKER COVER
6. ROCKER COVER GASKET
7. OIL SEAL

>>C<<

8. OIL SEAL
9. ROCKER SHAFT CAP

<<A>> >>B<<

10.ROCKER ARMS AND ROCKER

ARM SHAFT

<<A>> >>B<<

11.ROCKER ARMS AND ROCKER

ARM SHAFT

>>B<<

12.ROCKER SHAFT SPRING
13.ROCKER ARM "B"
14.ROCKER ARM "A"
15.ROCKER ARM SHAFT

(INTAKE SIDE)

>>A<<

16.LASH ADJUSTER
17.ROCKER ARM "C"
18.ROCKER ARM SHAFT

(EXHAUST SIDE)

>>A<<

19.LASH ADJUSTER
20.CAMSHAFT

REMOVAL STEPS (Continued)

ROCKER ARMS AND CAMSHAFT

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-26

Required Special Tools:

• MD998442: Air Bleed Wire

• MD998443: Lash Adjuster Holder (8)

• MD998713: Camshaft Oil Seal Installer

REMOVAL SERVICE POINT

.

<<A>> ROCKER ARMS AND ROCKER ARM SHAFT
REMOVAL

CAUTION

If the lash adjuster is re-used, clean the lash adjuster.
(Refer to

P.11B-27

)

Set special tool MD998443 to prevent the lash adjuster coming
free and falling to the floor.

INSTALLATION SERVICE POINTS

.

>>A<< LASH ADJUSTER INSTALLATION

CAUTION

If the lash adjuster is re-used, clean the lash adjuster.
(Refer to

P.11B-27

)

Fit the lash adjuster onto the rocker arm without allowing diesel
fuel to spill out. Fit special tool MD998443 to prevent the lash
adjuster coming free and falling to the floor.

.

>>B<< ROCKER SHAFT SPRING/ROCKER ARMS AND
ROCKER ARM SHAFT INSTALLATION
1. Install the exhaust side rocker arm "C"/shaft assembly to the

cylinder head.

2. Install the inlet side rocker arm "A" and "B"/shaft assembly to

the cylinder head.

3. Install the rocker shaft spring to the intake side rocker arm

shaft as illustrated.

AKX00566AB

MD998443

AKX00567

MD998443

LASH
ADJUSTER

AB

AKX00493

PLUG GUIDE

AB

ROCKER ARMS AND CAMSHAFT

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-27

4. Make sure that the notch in the end of the rocker arm shaft

is facing the direction as shown.

.

>>C<< CAMSHAFT OIL SEAL INSTALLATION
1. Apply engine oil to the lip area of the oil seal and the front

end outside diameter of camshaft.

2. Using special tool MD998713, install the camshaft oil seal.

INSPECTION

M1113005500203

.

CAMSHAFT
Measure the cam height. If it is below the limit, replace the
camshaft.

.

ROCKER ARM
1. Check the roller surface. If any dents, damage or seizure are

evident, replace the rocker arm.

2. Check rotation of the roller. If it does not rotate smoothly or if

looseness is evident, replace the rocker arm.

3. Check the inside diameter. If damage or seizure is evident,

replace the rocker arm.

.

AKX00494

NOTCH

AB

AKX00562

MD998713

AB

STANDARD VALUE MINIMUM LIMIT

Intake

37.39 mm (1.472 in) 36.89 mm (1.452 in)

Exhaust M/T

37.14 mm (1.462 in) 36.64 mm (1.443 in)

A/T

36.83 mm (1.450 in) 36.33 mm (1.430 in)

AKX00518

AKX00595

ROLLER TIP

AB

ROCKER ARMS AND CAMSHAFT

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-28

LASH ADJUSTERS

CAUTION

• The lash adjusters are precision-engineered mecha-

nisms. Do not allow them to become contaminated by
dirt or other foreign substances.

• Do not attempt to disassemble the lash adjusters.
• Use only fresh diesel fuel to clean the lash adjusters.

1. Prepare three containers and approximately 5 dm

3

(30.5

quart) of diesel fuel. Into each container, pour enough diesel
fuel to completely cover a lash adjuster when it is standing
upright. Then, perform the following steps with each lash
adjuster.

2. Place the lash adjuster in container A and clean its outside

surface.
NOTE: Use a nylon brush if deposits are hard to remove.

CAUTION

The steel ball spring is extremely weak, so the lash
adjuster's functionality may be lost if the air bleed wire is
pushed in hard.
3. While gently pushing down the internal steel ball using wire

[0.5 mm (0.020 inch) in diameter] or special tool MD998442,
move the plunger through five to ten strokes until it slides
smoothly. In addition to eliminating stiffness in the plunger,
this operation will remove dirty oil.
NOTE: If the plunger remains stiff or the mechanism
appears otherwise abnormal, replace the lash adjuster.

4. Remove the lash adjuster from the container. Then, push

down the steel ball gently and push the plunger to eliminate
diesel fuel from the pressure chamber.

CAUTION

The steel ball spring is extremely weak, so the lash
adjuster's functionality may be lost if the air bleed wire is
pushed in hard.
5. Place the lash adjuster in container B. Then, gently push

down the internal steel ball using wire [0.5 mm (0.020 inch)
in diameter] or special tool MD998442 and move the plunger
through five to ten strokes until it slides smoothly. This
operation will clean the lash adjuster's pressure chamber.

AKX00503

OUTSIDE
CLEANING

INSIDE
CLEANING

FILLING
DIESEL FUEL

AB

AKX00504

DIESEL
FUEL

AB

AKX00506

DIESEL FUEL

WIRE OR MD998442

AB

AKX00507

WIRE OR MD998442

DIESEL FUEL

AB