Nissan Qashqai (2007-2010). Manual - part 557

MAINSHAFT AND GEAR

TM-163

< DISASSEMBLY AND ASSEMBLY >

[6MT: RS6F52A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

9.

Press out 3rd main gear and 2nd main gear using the drift (A)
[SST: KV40105020] and a puller (B).

10. Remove 2nd needle bearing.

11. Press out 2nd main gear bushing, 1st-2nd synchronizer hub

assembly, 1st main gear, 1st needle bearing, 1st main gear
bushing, and reverse main gear using the drift (A) [SST:
KV40105020].

Assembly

INFOID:0000000001034961

1.

Press in reverse main gear using the drifts and the press stand.

CAUTION:

• Be careful with orientation of reverse main gear.
• Never reuse reverse main gear.

PCIB1885E

PCIB1886E

SCIA0939E

SCIA0992E

TM-164

< DISASSEMBLY AND ASSEMBLY >

[6MT: RS6F52A]

MAINSHAFT AND GEAR

2.

Press in 1st main gear bushing using the drifts and the press
stand.

3.

Install 1st needle bearing and then 1st main gear.

4.

Install 1st-2nd spread springs, 1st-2nd shifting inserts, and 1st-2nd synchronizer hub onto 1st-2nd cou-
pling sleeve.

CAUTION:

• Be careful with orientation of 1st-2nd synchronizer hub.
• Never reuse 1st-2nd synchronizer hub and 1st-2nd cou-

pling sleeve.

• Replace 1st-2nd synchronizer hub and 1st-2nd coupling

sleeve as a set.

• Be careful with orientation of 1st-2nd coupling sleeve.

• Be sure not to hook center projection of 2 spread springs

on same 1st-2nd shifting insert.

SCIA0940E

SCIA0921E

PCIB0803E

SCIA1083E

MAINSHAFT AND GEAR

TM-165

< DISASSEMBLY AND ASSEMBLY >

[6MT: RS6F52A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

5.

Install 1st inner baulk ring, 1st synchronizer cone, and 1st outer
baulk ring onto mainshaft and then press in 1st-2nd synchro-
nizer hub assembly onto mainshaft using the drifts and the press
stand.

CAUTION:

• Outer baulk ring, synchronizer cone, and inner baulk ring

on 2nd gear-side must have been removed.

• Be careful with orientation of coupling sleeve.
• Replace 1st inner baulk ring, 1st synchronizer cone, and

1st outer baulk ring as a set.

6.

Press in 2nd main gear bushing using the drift and the press
stand.

7.

Install 2nd outer baulk ring, 2nd synchronizer cone, and 2nd
inner baulk ring.

CAUTION:

Replace 2nd outer baulk ring, 2nd synchronizer cone, and
2nd inner baulk ring as a set.

8.

Install 2nd needle bearing and 2nd main gear.

9.

Press in 3rd main gear using the drift and the press stand.

CAUTION:

• Be careful with orientation of 3rd main gear.
• Never reuse 3rd main gear.

10. Install 3rd-4th mainshaft spacer.

11. Select 4th main gear adjusting shim so that dimension “C1” sat-

isfies the standard value below and install 4th main gear adjust-
ing shim onto mainshaft.

CAUTION:

Only one adjusting shim can be selected.

SCIA0941E

SCIA0942E

SCIA0943E

 Standard value for dimension “C1”

: Refer to 

TM-185, 

"Dimension"

.

PCIB0804E

TM-166

< DISASSEMBLY AND ASSEMBLY >

[6MT: RS6F52A]

MAINSHAFT AND GEAR

12. Press in 4th main gear using the drifts.

CAUTION:

• Be careful with orientation of 4th main gear.
• Never reuse 4th main gear.

13. Press in 5th main gear using the drifts.

CAUTION:

• Be careful with orientation of 5th main gear.
• Never reuse 5th main gear.

14. Install 5th-6th mainshaft spacer.

15. Press in 6th main gear using the drifts.

CAUTION:

Never reuse 6th main gear.

16. Select 6th main gear adjusting shim and then install it onto mainshaft.

• Calculate thickness “S” of 6th main gear adjusting shim follow-

ing the procedure below so that end play dimension between
6th main gear and mainshaft rear bearing becomes the dimen-
sion shown below.

CAUTION:

Only one adjusting shim can be selected.

a.

Measure dimension “S

1

” and “S

2

” using a height gauge (A) and

pick tester (B).

b.

Install selected 6th main gear adjusting shim to mainshaft.

SCIA0945E

SCIA0946E

SCIA0977E

End play

:Refer to 

TM-184, "End Play"

.

Dimension “S” = (S

1

 - S

2

) - End play

S

: Thickness of adjusting shim

S

1

: Dimension from mainshaft standard face to 
mainshaft rear bearing press-fit end face

S

2

: Dimension from mainshaft standard face to 
6th main gear end face

PCIB1887E