Mitsubishi Lancer Evolution X. Manual - part 226

 

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Mitsubishi Lancer Evolution X. Manual - part 226

 

 

ON-VEHICLE SERVICE

TSB Revision

POWER STEERING

37-19

(1)  While pushing the "Position B" with the specified load by 

100N, read the values on the dial gauges at the " Position 
a" and "Position b". The values of the dial gauges at this 
time shall respectively be "aB" and "bB".

(2) Remove the load in the "Position B". Then while pushing 

the "Position A" with the specified load by 100N, read the 
values on the dial gauge in the "Position a" and "Position 
b". The values on the dial gauges at this time shall 
respectively be "aA" and "bA".

(3) Make calculation taking the value differences of the dial 

gauge positions a and b which were read while pushing 
the "Position A" and "Position B" as each fluctuation.

• Fluctuation of the dial gauge position a: aA − aB
• Fluctuation of the dial gauge position b: bA − bB

(4) Calculate each fluctuation difference of the dial gauge 

positions a and b acquired above for looseness. Perform 
the procedure above twice.
Fluctuation of the dial gauge position a − Fluctuation of 

the dial gauge position b

(5) Calculate the average of the looseness calculated twice.

6. If the average exceeds the standard value, check the ball 

joint rotation torque. (Refer to 

P.37-22

.)

Standard value: Within ± 2.0 mm

AC901382

Value of the dial gauge position a

Value of the dial gauge 
position b

Status before measurement

Reading the value on the dial gauge 
with the Position B pushed

AB

Vehicle front

AC901681

Status with the Position B 
pushed

AB

Reading the value on the dial gauge 
with the Position A pushed

Value of the dial gauge 
position b

Vehicle front

Value of the dial gauge position a

AC901381

Fluctuation of the dial gauge 
position b with the Position A 
and Position B pushed

Fluctuation of the dial gauge 
position a with the Position A 
and Position B pushed

Fluctuation of the value on the 
dial gauge

AB

Vehicle front

ON-VEHICLE SERVICE

TSB Revision

POWER STEERING

37-20

NOTE: Measure the tie-rod looseness on the right side and 
left side respectively.

WHEN A SPRING SCALE IS USED

1. Carry out the confirmation before the looseness check with 

the same manner as the check using a push-pull gauge.

2. At the position that is 25 mm above from the wheel center, 

bind the tire and the wheel rim with a cord for both the front 
and rear sides, and fix them with a tape not to loose 
vertically.

3. Set the spring scale to the cord bound as above. At this 

time, the point to pull shall be in the dimension between the 
"Position C" and "Position D" by 515mm, and the position on 
the vehicle front side shall be the "Position C" and the 
vehicle rear side shall be the "Position D".

4. To stabilize the relationship between the load and 

fluctuation, pull with the specified load by 100N of "Position 
C", "Position D", and "Position C" using the spring scale. 
Note that the pulled load on each position shall be extracted.

5. Using the spring scale, carry out the procedure below to 

read the value on the dial gauge and calculate the 
looseness.
NOTE: The +/

 sign acquired with the calculation result shall 

be used as it is.

AC808017

AB

D

C

Front of vehicle

Tape

AC808584

AB

25 mm

AB

Dimension between 
Positions C and D

Position C

Position D

Vehicle front

Wheel center

Point of load

AC901691

AB

Spring scale

Position D

Point of load for spring scale

Vehicle front

Position C

ON-VEHICLE SERVICE

TSB Revision

POWER STEERING

37-21

(1)  While pulling the "Position D" with the specified load by 

100N, read the values on the dial gauges in the "Position 
a" and "Position b". The values on the dial gauges at this 
time shall respectively be "aD" and "bD".

(2)  Remove the load at the "Position D". Then while pulling 

the "Position C" with the specified load by 100N, read the 
values on the dial gauge in the "Position a" and "Position 
b". The values on the dial gauges at this time shall 
respectively be "aC" and "bC".

(3) Make calculation taking the value differences of the dial 

gauge positions a and b which were read while pulling 
the "Position C" and "Position D" as each fluctuation.

• Fluctuation of the dial gauge position a: aC − aD
• Fluctuation of the dial gauge position b: bC − bD

(4) Calculate each fluctuation difference of the dial gauge 

positions a and b acquired above for looseness. Perform 
the procedure above twice.
Fluctuation of the dial gauge position a − Fluctuation of 

the dial gauge position b

(5) Calculate the average of the looseness calculated twice.

6. If the average exceeds the standard value, check the ball 

joint rotation torque. (Refer to 

P.37-22

P.37-41

.)

Standard value: Within ± 2.0 mm

AC901681

Reading the value on the dial gauge 
with the Position D pulled

AC

Point before measurement

Value of the dial gauge 
position b

Value of the dial gauge position a

Vehicle front

AC901382

Reading the value on the dial gauge 
with the Position C pulled

AC

Status with the Position C 
pulled

Value of the dial gauge position a

Value of the dial gauge position b

Vehicle front

AC901381

Fluctuation of the dial gauge 
position b with the Position C 
and Position D pulled

Fluctuation of the dial gauge position a 
with the Position C and Position D pulled

Fluctuation of the value 
on the dial gauge

AC

Vehicle front

ON-VEHICLE SERVICE

TSB Revision

POWER STEERING

37-22

NOTE: Measure the tie-rod looseness on the right side and 
left side respectively.

BALL JOINT DUST COVER CHECK

M1372008600819

1. Using your fingers, press the dust cover to check for cracks 

or damage.

2. If there are any cracks in the dust cover or it is damaged, 

replace the tie-rod end (Refer to 

P.37-42

).

NOTE: If the dust cover has a  crack or damage, the ball 
joint could be damaged.

TIE ROD END BALL JOINT ROTATION TORQUE 
CHECK

M1372001500833

Required Special Tools:

• MB990326: Preload Socket
• MB991897 or MB992011: Ball Joint Remover

CAUTION

• Loosen the jam nut (tie-rod end connection) from the 

ball joint, but do not remove here. Use the special tool.

• To prevent the special tool from dropping off, suspend 

it with a cord.

1. Install special tool MB991897 or MB992011 as shown in the 

figure.

2. Turn the bolt and knob to make the special tool jaws parallel, 

then hand-tighten the bolt. After tightening, check that the 
jaws are still parallel.
NOTE: To adjust the special tool jaws to be parallel, set the 
orientation of the knob as shown in the figure.

3. Unscrew the bolt to disconnect the ball joint.

AC208247AJ

Cord

Bolt

MB991897
or
MB992011

Nut

Ball joint

AC104739AB

Parallel

Knob

Bolt

Correct

Wrong

 

 

 

 

 

 

 

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