Acura CSX. Manual — part 202

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Standard: 24.03

24.08 mm (0.946

0.948 in.)

Standard:

23.92

23.97 mm (0.942

0.944 in.)

Service Limit: 23.80 mm (0.937 in.)

Standard:

0.06

0.16 mm (0.002

0.006 in.)

Service Limit: 0.25 mm (0.010 in.)

Standard: 24.03

24.08 mm (0.946

0.948 in.)

13-32

Manual Transmission

A

C

B

5. Measure the length

of the 4th/5th gear distance

collar as shown.

• If the length

is not within the standard, replace

the 4th/5th gear distance collar.

• If the length

is within the standard, go to

step 6.

6. Measure the thickness of 4th gear.

• If the thickness is less than the service limit,

replace 4th gear.

• If the thickness is within the service limit, replace

the 3rd/4th synchro hub and the 3rd/4th synchro
sleeve as a set.

7. Measure the clearance between the 4th/5th gear

distance collar (A) and 5th gear (B) with a dial
indicator (C).

• If the clearance exceeds the service limit, go to

step 8.

• If the clearance is within the service limit, go to

step 10.

8. Measure the length

of the 4th/5th gear distance

collar as shown.

• If the length

is not within the standard, replace

the 4th/5th gear distance collar.

• If the length

is within the standard, go to

step 9.

08/08/21 14:45:03 61SNR030_130_0034

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Standard:

23.92

23.97 mm (0.942

0.944 in.)

Service Limit: 23.80 mm (0.937 in.)

Standard: 23.95

24.05 mm (0.943

0.947 in.)

13-33

13-33

Mainshaft Disassembly

C

B

A

A

B

9. Measure the thickness of 5th gear.

• If the thickness is less than the service limit,

replace 5th gear.

• If the thickness is within the service limit, replace

the 5th synchro hub and the 5th/6th synchro
sleeve as a set.

10. Measure the length of the MBS distance collar.

If the length is not within standard, replace the
MBS distance collar.

NOTE: Refer to the Exploded View in the Mainshaft
Reassembly, as needed, when removing components
pressed on to the mainshaft (see page 13-36).

1. Remove the angular ball bearing (A) and the

tapered cone ring using a commercially available
bearing separator (B) and a commercially available
bearing puller (C). Make sure the bearing separator
is under the tapered cone ring.

2. Support 5th gear (A) on steel blocks, and press the

mainshaft out of the 5th synchro hub (B) and 5th
gear.

NOTE: Do not use a jaw-type puller; it can damage
the gear teeth.

08/08/21 14:45:04 61SNR030_130_0035

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Standard:

23.92

23.97 mm (0.942

0.944 in.)

Service Limit: 23.80 mm (0.937 in.)

Standard: 23.95

24.05 mm (0.943

0.947 in.)

13-33

13-33

Mainshaft Disassembly

C

B

A

A

B

9. Measure the thickness of 5th gear.

• If the thickness is less than the service limit,

replace 5th gear.

• If the thickness is within the service limit, replace

the 5th synchro hub and the 5th/6th synchro
sleeve as a set.

10. Measure the length of the MBS distance collar.

If the length is not within standard, replace the
MBS distance collar.

NOTE: Refer to the Exploded View in the Mainshaft
Reassembly, as needed, when removing components
pressed on to the mainshaft (see page 13-36).

1. Remove the angular ball bearing (A) and the

tapered cone ring using a commercially available
bearing separator (B) and a commercially available
bearing puller (C). Make sure the bearing separator
is under the tapered cone ring.

2. Support 5th gear (A) on steel blocks, and press the

mainshaft out of the 5th synchro hub (B) and 5th
gear.

NOTE: Do not use a jaw-type puller; it can damage
the gear teeth.

08/08/21 14:45:04 61SNR030_130_0035

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Standard:
A Ball Bearing Contact Area (transmission housing

side):

27.987

28.000 mm (1.1018

1.1024 in.)

B 4th/5th Gear Distance Collar Contact Area:

31.984

32.000 mm (1.2592

1.2598 in.)

C Needle Bearing Contact Area:

38.984

39.000 mm (1.5348

1.5354 in.)

D Ball Bearing Contact Area (clutch housing side):

27.977

27.990 mm (1.1015

1.1020 in.)

E Bushing Contact Area:

20.80

20.85 mm (0.819

0.821 in.)

Service Limit:
A:

27.93 mm (1.100 in.)

B:

31.93 mm (1.257 in.)

C:

38.93 mm (1.533 in.)

D:

27.92 mm (1.099 in.)

E:

20.75 mm (0.817 in.)

13-34

13-34

Manual Transmission

Mainshaft Inspection

A

B

E

D

C

B

A

3. Support 3rd gear (A) on steel blocks, and press the

mainshaft out of the 3rd/4th synchro hub (B) and
3rd gear.

NOTE: Do not use a jaw-type puller; it can damage
the gear teeth.

1. Inspect the gear and bearing contact areas for wear

and damage, then measure the mainshaft at points
A, B, C, D, and E. If any part of the mainshaft is less
than the service limit, replace it.

08/08/21 14:45:04 61SNR030_130_0036