Nissan Frontier D40. Manual - part 309

REAR FINAL DRIVE ASSEMBLY

DLN-257

< DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: M226 ]

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4.

If outside the standard, replace the final drive assembly. Refer to 

DLN-254, "Removal and Installation"

.

Backlash

1.

Fit a dial indicator to the drive gear face to measure the back-
lash.

2.

If the backlash is outside of the specification, adjust each side bearing side bearing adjuster.

a.

Remove adjuster lock plates.

b.

Loosen side bearing cap bolts.

c.

Tighten or loosen each side bearing adjuster using Tool.

SDIA2591E

Back-
lash

: Refer to 

DLN-264, "Inspection and Adjust-

ment"

SDIA2640E

PDIA0331E

Tool number

: 

—

 (C - 4164)

PDIA0337E

DLN-258

< DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: M226 ]

REAR FINAL DRIVE ASSEMBLY

CAUTION:

Do not change the side bearing side bearing adjusters by
different amounts as it will change the side bearing preload
torque.

d.

Tighten side bearing cap bolts to the specified torque.

e.

Install adjuster lock plate and tighten to the specified torque.

CAUTION:

Check tooth contact and total preload torque after adjusting
side bearing adjuster. Refer to 

DLN-264, "Inspection and

Adjustment"

.

Companion Flange Runout

1.

Rotate companion flange and check for runout on the compan-
ion flange face (inner side of the bolt holes) and companion
flange inner side (socket diameter) using suitable tool. Refer to

DLN-264, "Inspection and Adjustment"

.

2.

If the runout is outside the runout limit, follow the procedure
below to adjust.

a.

Rotate the companion flange on the drive pinion by 90

°

, 180

°

and 270

°

 while checking for the position where the runout is

minimum.

b.

If the runout is still outside of the runout limit after the companion
flange has been rotated on the drive pinion, possible cause
could be an assembly malfunction of drive pinion and drive pin-
ion bearing or a malfunctioning drive pinion bearing.

c.

If the runout is still outside of the runout limit after replacing the companion flange. Replace the rear final
drive assembly. Refer to 

DLN-254, "Removal and Installation"

.

DISASSEMBLY

Differential Assembly

1.

Remove carrier cover bolts.

2.

Remove carrier cover using Tool.

CAUTION:

• Do not damage the mating surface.
• Do not insert flat-bladed screwdriver, this will damage the

mating surface.

If the backlash is greater than specification:

Loosen side bearing adjuster A and tighten side bear-
ing adjuster B by the same amount.

If the backlash is less than specification:

Loosen side bearing adjuster B and tighten side bear-
ing adjuster A by the same amount.

PDIA0330E

PDIA0331E

SDIA2078E

Tool number

: KV10111100 (J-37228)

PDIA1041E

REAR FINAL DRIVE ASSEMBLY

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< DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: M226 ]

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3.

For proper reinstallation, paint matching mark on one side of
side bearing cap.

CAUTION:

• Side bearing caps are line-board for initial assembly. The

matching marks are used to reinstall them in their original
positions.

• For matching mark, use paint. Do not damage side bear-

ing cap.

4.

Remove adjuster lock plates.

5.

Remove side bearing caps.

6.

Loosen side bearing adjusters using Tool.

7.

Remove the differential case assembly. Label side bearing outer
races to keep them together with inner races. Do not mix them
up.

Drive Pinion Assembly

1.

Put matching marks on the companion flange at location (A) and
drive pinion using paint as shown.

CAUTION:

Use paint to make the matching marks. Do not damage the
companion flange or drive pinion.

PDIA0310E

PDIA0331E

Tool number

: 

—

 (C - 4164)

PDIA0337E

PDIA0312E

PDIA0675E

DLN-260

< DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: M226 ]

REAR FINAL DRIVE ASSEMBLY

2.

Remove drive pinion lock nut and washer using suitable tool.

3.

Remove companion flange using a suitable tool.

4.

Remove oil seal/dust shield and discard.

CAUTION:

Do not reuse the differential oil seal.

5.

Remove front oil seal using Tool.

CAUTION:

Do not damage gear carrier.

6.

Remove drive pinion front bearing thrust washer.

7.

Remove drive pinion assembly (with rear inner bearing race and
collapsible spacer) out of gear carrier.

CAUTION:

Do not drop drive pinion assembly.

8.

Remove collapsible spacer from drive pinion assembly and discard collapsible spacer.

CAUTION:

Do not reuse the collapsible spacer.

INSPECTION AFTER DISASSEMBLY

Clean the disassembled parts. Then inspect the parts for wear or damage. If wear or damage are found, follow
the measures below.

PDIA0314E

PDIA0315E

Tool number

: ST33290001 (J-34286)

SDIA2586E

PDIA0316E