Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 405

GENERAL DESCRIPTION

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MANUAL TRANSAXLE

22A-5

<F5M51>

AC001600

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

AB

1. 4TH SPEED GEAR

2. 3RD-4TH SPEED SYNCHRONIZER

HUB

3. 3RD SPEED GEAR

4. TRANSAXLE CASE

5. CLUTCH HOUSING

6. RELEASE BEARING RETAINER

7. INPUT SHAFT

8. OUTPUT SHAFT

9. DIFFERENTIAL

10. 1ST SPEED GEAR

11. 1ST-2ND SPEED SYNCHRONIZER

HUB

12. 1ST-2ND SPEED SYNCHRONIZER

HUB

13. 5TH SPEED GEAR

14. 5TH-REVERSE SPEED

SYNCHRONIZER HUB

15. REVERSE GEAR

16. REVERSE IDLER GEAR

MANUAL TRANSAXLE DIAGNOSIS

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MANUAL TRANSAXLE

22A-6

M A N U A L TR A N SA XLE D IA G N O SIS

INTRODUCTOIN TO MANUAL TRANSAXLE DIAGNOSIS

M1221006900563

The mounting could be incorrect, the oil level may be
low, or a component of the transaxle may be faulty in
the following conditions: noise or vibration is
generated, oil leaks, shifting of the gears is hard or
troublesome, or the transaxle jumps out of gear.

TROUBLESHOOTING STRATEGY

M1221007000477

Use these steps to plan your diagnostic strategy. If
you follow them carefully, you will be sure that you
have exhausted most of the possible ways to find a
manual transaxle fault.
1. Gather information from the customer.

2. Verify that the condition described by the

customer exists.

3. Find the malfunction by following the Inspection

Chart for Trouble Symptoms.

4. Verify malfunction is eliminated.

SYMPTOM CHART

M1221007100452

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: Noise, vibration

DIAGNOSIS

STEP 1. Check whether the transaxle and engine mount is
loose or damaged.

Q: Are the transaxle and engine mount loosened or

damaged?
YES : Tighten or replace the part. Then go to Step 7.
NO : Go to Step 2.

STEP 2. Check the end play of the input and output shafts.

Q: Does the end play of the input and output shafts meet

the standard value?
YES : Go to Step 3.
NO : Adjust the end play of the input and output shafts.

Then go to Step 7.

STEP 3. Check the gears for wear and damage.

Q: Are the gears worn or damaged?

YES : Replace the gears. Then go to Step 7.
NO : Go to Step 4.

SYMPTOMS

INSPECTION
PROCEDURE

REFERENCE
PAGE

Noise, vibration

1

P.22A-6

Oil leaks

2

P.22A-7

Shifting gears is hard

3

P.22A-8

Jumps out of gear

4

P.22A-8

MANUAL TRANSAXLE DIAGNOSIS

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MANUAL TRANSAXLE

22A-7

STEP 4. Check that the specified oil.

Q: Is the specified oil gear oil SAE 75W

−

90W or 75W

−

85W conforming to API classification GL-4?
YES : Go to Step 5.
NO : Replace the oil. Refer to

P.22A-9

. Then go to Step 7 .

STEP 5. Check that the oil level is up to the lower edge of
the filler plug hole.
Q: Is the oil level up to the lower edge of the filler plug

hole?
YES : Go to Step 6.
NO : Refill gear oil SAE 75W

−

90W or 75W

−

85W

conforming to API classification GL-4. Then go to
Step 7.

STEP 6. Check the idle speed.

Q: Does the idle speed meet the standard values?

YES : <2.4L Engine> Refer to GROUP 11A

P.11A-8

, On-

vehicle Service

−

Curb Idle Speed Check. <3.0L

Engine> Refer to GROUP 11C

P.11C-7

, On-vehicle

Service

−

Curb Idle Speed Check.

NO : <2.4L Engine> Refer to GROUP 11A

P.11A-8

, On-

vehicle Service

−

Curb Idle Speed Check. <3.0L

Engine> Refer to GROUP 11B

P.11C-7

, On-vehicle

Service

−

Curb Idle Speed Check.

STEP 7. Check trouble symptoms.

Q: Isn't the noise or vibration generated?

YES : Return to Step 1.
NO : This diagnosis is complete.

INSPECTION PROCEDURE 2: Oil leaks

DIAGNOSIS

STEP 1. 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 2.

NO :

Go to Step 2.

STEP 2. Check trouble symptoms.

Q: Isn't the oil leaking?

YES :

Return to Step 1.

NO :

This diagnosis is complete.

AC001592

TRANSMISSION
OIL

FILLER PLUG
HOLE

AB

MANUAL TRANSAXLE DIAGNOSIS

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MANUAL TRANSAXLE

22A-8

INSPECITON PROCEDURE 3: Shifting gears is hard

DIAGNOSIS

STEP 1. Check the control cable

Q: Is the control cable in good condition?

YES :

Go to Step 2.

NO :

Repair or replace the control cable. Then go
to Step 5.

STEP 2. Check for poor meshing or wear of
synchronizer ring and gear cone.

Q: Is poor meshing or wear of synchronizer ring and

gear cone found?
YES :

Repair or replace the synchronizer ring and

gear cone. Then go to Step 5.

NO :

Go to Step 3.

STEP 3. Check the synchronizer spring for
weakness.

Q: Is the synchronizer spring weakened?

YES :

Replace the synchronizer spring. Then go

to Step 5.

NO :

Go to Step 4.

STEP 4. Check that the specified oil is gear oil
SAE 75W

−

90W or 75W

−

85W conforming to API

classification GL-4.

Q: Is the specified oil gear oil SAE 75W

−

90W or 75W

−

85W conforming to API classification GL-4?

YES :

Go to Step 5.

NO :

Replace the oil. Refer to

P.22A-9

. Then go

to Step 5.

STEP 5. Check trouble symptoms.

Q: Isn't the shifting of the gears hard?

YES :

Return to Step 1.

NO :

This diagnosis is complete.

INSPECTION PROCEDURE 4: Jumps out of gear

DIAGNOSIS

STEP 1. Check the gear shift forks for wear or the
poppet spring for breakage.

Q: Is the gear shift forks worn or the popet spring

broken?
YES :

Replace the gear shift fork or popet spring.

Then go to Step 3.

NO :

Go to Step 2.

STEP 2. Check the clearance (excessive)
between the synchronizer hub and sleeve.

Q: Does the clearance (excessive) between the

synchronizer hub and sleeve meet the standard
value?
YES :

Go to Step 3.

NO :

Replace the synchronizer hub and sleeve.
Then go to Step 3.

STEP 3. Check trouble symptoms.

Q: Don't the gears slip out?

YES :

Return to Step 1.

NO :

This diagnosis is complete.