Mitsubishi Grandis. Manual — part 831

TROUBLESHOOTING

MANUAL TRANSMISSION (FF)

22A-5

INSPECTION PROCEDURE 2: Oil Leaks

DIAGNOSIS

STEP 1. Visual check.

Raise the vehicle, and check for oil leaks. If oil leak is
difficult to locate, steam clean the transmission and
drive the vehicle for at 10 minutes. Then check the
leak again.

Q: Is the oil leak(s) found?

YES :

Go to Step 2 .

NO :

Check for the oil leaks around the engine.
Then go to Step 4 .

STEP 2. Visual check at the clutch housing.

Q: Do oil leaks appear around the joint between the

engine and the clutch housing?

YES :

Remove the transmission. Check the input

shaft oil seal, and replace if necessary.
Then go to Step 4 .

NO :

Go to Step 3 .

STEP 3. Check the oil seal or O-ring for damage.

Q: Is the oil seal or O-ring damaged?

YES :

Replace the oil seal or the O-ring. Then go

to Step 4 .

NO :

Go to Step 4 .

STEP 4. Retest the system.

Q: Is the oil still leaking?

YES :

Return to Step 1 .

NO :

The procedure is complete.

INSPECTION PROCEDURE 3: Hard Shifting

DIAGNOSIS

STEP 1. Check the transmission control

Q: Are the shift cable and the select cable in good

condition?

YES :

Go to Step 2 .

NO :

Repair or replace the shift cable and the
select cable. Refer to

P.22A-7

. Then go to

Step 7 .

STEP 2. Check the transmission oil.

Q: Is the oil dirty?

YES :

Replace the oil. Refer to

P.22A-6

. Then go

to Step 7

NO :

Go to Step 3 .

STEP 3. Check the clutch system.

Q: Is the clutch system normal?

YES :

Go to Step 4 .

NO :

Repair or replace the clutch system. Refer
to

P.21B-3

. Then go to Step 7 .

STEP 4. Remove and disassemble the
transmission. Check the control housing.

Q: Is the control housing in good condition?

YES :

Go to Step 5 .

NO :

Repair or replace the control housing. Refer
to GROUP 22B, Transmission

P.22B-10

.

Then go to Step 7 .

STEP 5. Check for poor meshing of worn
synchronizer ring and gear cone.

Q: Is poor meshing or worn synchronizer ring and

gear cone found?

YES :

Repair or replace the synchronizer ring and

gear cone. Then go to Step 7 .

NO :

Go to Step 6 .

STEP 6. Check the synchronizer spring for
weakness.

Q: Is the synchronizer spring weak?

YES :

Replace the synchronizer spring. Then go

to Step 7 .

NO :

Go to Step 7 .

STEP 7. Retest the system.

Q: Is the shifting of the gears still hard?

YES :

Return to Step 1 .

NO :

The procedure is complete.

ON-VEHICLE SERVICE

MANUAL TRANSMISSION (FF)

22A-6

INSPECTION PROCEDURE 4: Jumps Out of Gear

DIAGNOSIS

STEP 1. Check the transmission control

Q: Are the shift cable and the select cable in good

condition?

YES :

Go to Step 2 .

NO :

Repair or replace the shift cable and the
select cable. Refer to

P.22A-7

. Then go to

Step 6 .

STEP 2. Remove and disassemble the
transmission. Check the poppet spring for
breakage.

Q: Is the poppet spring broken?

YES :

Replace the poppet spring. Refer to

GROUP 22B, Transmission

P.22B-10

. Then

go to Step 6 .

NO :

Go to Step 3 .

STEP 3. Check the control housing.

Q: Is the control housing in good condition?

YES :

Go to Step 4 .

NO :

Repair or replace the control housing. Refer
to GROUP 22B, Transmission

P.22B-10

.

Then go to Step 6 .

STEP 4. Check the gear shift forks for wear.

Q: Is the gear shift forks worn?

YES :

Replace the gear shift fork. Refer to

GROUP 22B, Transmission

P.22B-10

. Then

go to Step 6 .

NO :

Go to Step 5 .

STEP 5. Check the clearance.

Q: Is the clearance between the synchronizer hub and

sleeve excessive?

YES :

Replace the synchronizer hub or sleeve.

Refer to GROUP 22B, Input Shaft

P.22B-17

, Output Shaft

P.22B-23

. Then go

to Step 6.

NO :

Go to Step 6 .

STEP 6. Retest the system.

Q: Does the transmission still jump out of gear?

YES :

Return to Step 1 .

NO :

The procedure is complete.

ON-VEHICLE SERVICE

TRANSMISSION OIL LEVEL CHECK

M1221000900480

1. Remove the filler plug.
2. Check that the oil level is up to the lower edge of

the filler plug hole.

3. Check that the oil is not noticeably dirty.
4. Tighten the filler plug to the specified torque.

Tightening torque: 32

± 2 N⋅m

TRANSMISSION OIL REPLACEMENT

M1221001000413

1. Remove the filler plug.
2. Remove the drain plug and drain the oil.
3. Tighten the drain plug to the specified torque.

Tightening torque: 32

± 2 N⋅m

4. Fill with gear oil API classification GL-4 SAE

75W-85W or 75W-90 until the level comes to the
lower portion of filler plug hole.

AC210553 AB

Filler plug hole

Filler plug

Transmission oil

AC210554

Drain plug

Filler plug

AB

TRANSMISSION CONTROL

MANUAL TRANSMISSION (FF)

22A-7

Quantity: 2.2 L

5. Tighten the filler plug to the specified torque.

Tightening torque: 32

± 2 N⋅m

TRANSMISSION CONTROL

REMOVAL AND INSTALLATION

M1221003800590

WARNING

Be careful not to subject the SRS-ECU to any shocks during removal and installation of the
shift cable and select cable assembly.

Pre-removal and Post-installation Operation
• Air Cleaner Assembly Removal and Installation (Refer to

GROUP 15, Air Cleaner

P.15-3

).

• Battery and Battery Tray Removal and Installation.

AC310605

1

6.0 ± 1.5 N·m

2

5.0 ± 1.0 N·m

12 ± 2 N·m

3

4

5

6

6

7

7

9

8

10

12 ± 2 N·m

13

11

AB

N

12

Gearshift cable and select cable
assembly removal steps

1.

Gearshift lever knob

2.

Sleeve

•

Centre lever panel, Console side
cover, Centre console (Refer to
GROUP 52A

P.52A-9

).

•

Harness clamp (ashtray
illumination lamp, hazard warning
switch)

>>B<<

3.

Gearshift cable clip

4.

Select cable connection (Gearshift
lever side)

5.

Gearshift cable connection
(Gearshift lever side)

6.

Snap pin

7.

Washer

<<A>> >>A<<

8.

Gearshift link clip

<<A>> >>A<<

9.

Select cable connection
(Transmission side)

<<A>> >>A<<

10. Gearshift cable connection

(Transmission side)

11. Gearshift lever assembly
•

Rear heater duct (Refer to
GROUP 55, ducts

P.55-228

).

12. Gearshift link mounting bracket

>>A<<

13. Gearshift cable and select cable

assembly

Gearshift cable and select cable
assembly removal steps

TRANSMISSION CONTROL

MANUAL TRANSMISSION (FF)

22A-8

REMOVAL SERVICE POINTS
<<A>> GEARSHIFT LINK CLIP/SELECT
CABLE CONNECTION (TRANSMISSION
SIDE)/GEAR SHIFT CABLE CONNECTION
(TRANSMISSION SIDE) REMOVAL

Push up the claws of the gearshift link clip using a
screwdriver, etc., and then remove the gearshift link
clip from the bracket together with the cables.

INSTALLATION SERVICE POINTS
>>A<< GEARSHIFT CABLE AND SELECT
CABLE ASSEMBLY/GEARSHIFT CABLE
CONNECTION (TRANSMISSION
SIDE)/SELECT CABLE CONECTION
(TRANSMISSION SIDE)/GEARSHIFT LINK
CLIP INSTALLATION

1. Set the transmission side shift lever and the

passenger compartment side shift lever to the
neutral position.

2. Install the painted part of the shift cable end

(transmission side) and painted part of the select
cable (transmission side) facing the snap pin.

Gearshift lever assembly
removal steps

1.

Gearshift lever knob

2.

Sleeve

•

Centre lever panel, Console side
cover, Centre console (Refer to
GROUP 52A

P.52A-9

).

>>B<<

3.

Gearshift cable clip

4.

Select cable connection (Gearshift
lever side)

5.

Gearshift cable connection
(Gearshift lever side)

11. Gearshift lever assembly
•

Rear heater duct (Refer to
GROUP 55, ducts

P.55-228

).

12. Gearshift link mounting bracket

AC210556

Gearshift link clip

Gearshift cable,
Select cable

Claws

AB

AC310622

Neutral position

Shift lever

AB