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Nissan X-Trail 32. Manual - part 672

DRIVE PINION

DLN-99

< UNIT DISASSEMBLY AND ASSEMBLY >

[TRANSFER: TY21C]

DLN

T2 [Ring gear bearing adjusting shim (transfer cover side)]

• T2 =

−

Y +Z +(B +X/2)

−

H +(M/100) +0.071 mm (0.0028 in)

T3 (Drive pinion adjusting shim)

• T3 =

−

Q +(R +S/2)

−

K +(O/100)

• Check dimension (M) on the ring gear side face.

NOTE:
Dimension “M” indicates the difference between the optimum
engagement and standard dimensions in increments of 0.01 mm
(0.0004 in) written on the ring gear side face.

• Check dimension (O) on the gear end of drive pinion.

NOTE:
Dimension “O” indicates the difference between the optimum
engagement and the standard dimensions in increments of 0.01
mm (0.0004 in) written on the gear end of drive pinion.

PINION BEARING PRELOAD

CAUTION:

When measuring preload, the rotating speed must be set to 30 rpm.
1.

Remove ring gear shaft assembly from the transfer case. Refer to

DLN-90, "Disassembly and Assembly"

Rotate the companion flange back and forth from 2 to 3 times to check for unusual noise, binding, sticking,
and so on.

Rotate the companion flange at least 20 times to check for smooth operation of the bearing.

Measure the pinion bearing preload using Tool (A).

CAUTION:

Each rotational part should rotate smoothly with the speci-
fied transfer oil.
• If outside the standard, disassemble the drive pinion assembly

to check and adjust each part.

TOTAL PRELOAD

CAUTION:

When measuring preload, the rotating speed must be set to 30 rpm.
1.

Measure pinion bearing preload.

CAUTION:

Check that the pinion bearing preload is within the standard.

Assemble the ring gear shaft assembly to the transfer case. Refer to

DLN-90, "Disassembly and Assem-

bly"

Install transfer cover to check and adjust each part. Refer to

DLN-85, "Disassembly and Assembly"

Rotate the companion flange at least 20 times to check for smooth operation of the bearing.

JSDIA2495ZZ

JSDIA2496ZZ

Pinion bearing preload

: Refer to

DLN-108, "Preload

Torque"

Tool number

: ST3127S000

JSDIA2500ZZ

DLN-100

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[TRANSFER: TY21C]

DRIVE PINION

Measure the total preload using Tool (A).

CAUTION:

Each rotational part should rotate smoothly with the speci-
fied transfer oil.
• If outside the standard, disassemble the transfer assembly to

check and adjust each part. Measure it with the transfer case
oil seal and transfer cover oil seal removed when measuring
total preload after disassembly. Then install transfer case oil seals and transfer cover oil seal.

BACKLASH

Install the bolt to the companion flange.

Fit a dial indicator onto the bolt

Measure the circumference backlash of the companion flange.

• If outside the standard, disassemble the transfer assembly to

check and adjust each part.

TOOTH CONTACT

Remove transfer cover. Refer to

DLN-85, "Disassembly and Assembly"

Remove ring gear shaft assembly from transfer case. Refer to

DLN-90, "Disassembly and Assembly"

Apply red lead or equivalent onto the ring gear.

CAUTION:

Apply red lead or equivalent to both faces of 3 to 4 gears at
4 locations evenly spaced on the ring gear.

Assemble the ring gear shaft assembly to the transfer case.
Refer to

DLN-90, "Disassembly and Assembly"

Install transfer cover to check and adjust each part. Refer to

DLN-85, "Disassembly and Assembly"

NOTE:
At this timing, O-ring installing to transfer cover is not necessary.
Install O-ring after backlash and tooth contact are checked.

Remove the plug from the transfer case.

Rotate the companion flange back and forth several times, and check the drive pinion gear to ring gear
tooth contact by viewing from the plug hole.

Total preload

: Refer to

DLN-108, "Preload

Torque"

Tool number

: ST3127S000

JSDIA2500ZZ

Backlash

: Refer to

DLN-108, "Backlash"

JSDIA2501ZZ

JSDIA2188ZZ

DRIVE PINION

DLN-101

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[TRANSFER: TY21C]

DLN

Tooth Contact Judgment Guide

Follow the procedure below to adjust pinion height (dimension
X) if tooth contact is improper. For selecting adjusting shim, refer
to the latest parts information.

CAUTION:

If no adjusting shim with the calculated value is available,
select the thicker and closest one.

• Thicken the drive pinion adjusting shim to move the drive pin-

ion closer to the ring gear in case of face contact or heel con-
tact.

CAUTION:

Only one adjusting shim can be selected.

JSDIA4035GB

JSDIA1221ZZ

PDIA0440E

DLN-102

< UNIT DISASSEMBLY AND ASSEMBLY >

[TRANSFER: TY21C]

DRIVE PINION

• Thin the drive pinion adjusting shim to move the drive pinion

farther from the ring gear in case of flank contact or toe con-
tact.

CAUTION:

Only one adjusting shim can be selected.

COMPANION FLANGE RUNOUT

Fit a dial indicator onto the companion flange face (inner side of
the propeller shaft mounting bolt holes).

Rotate the companion flange to check for runout.

Fit suitable tool to the inner side of the companion flange (socket
diameter).

Rotate the companion flange to check for runout.

Follow the procedure below to adjust if runout value is outside
the repair limit.

Check for runout while changing the phase between companion
flange and drive pinion in 90

steps. Then search for the mini-

mum point.

Replace companion flange if runout value is still outside the limit
after the phase has been changed.

Adjust assembly status of the pinion bearing and drive pinion, or
replace pinion bearing assembly if runout is outside the standard
after the companion flange is replaced.

Inspection

INFOID:0000000010992051

INSPECTION AFTER DISASSEMBLY

Check items below. If necessary, replace them with new ones.

Gear and Shaft

Check gear face and shaft for wear, cracks, damage, and seizure.

CAUTION:

Replace ring gear and drive pinion as a set (hypoid gear set) if any malfunction is detected on the ring
gear or drive pinion.

Bearing

Check for seizure, peeling, wear, corrosion, sticking, unusual noise, roughness in hand turning, and other
damage.

Shim

Check for seizure, damage, and unusual wear.