Nissan Terrano model r20 series 2004. Instruction — part 267
YPD003
FRONT FINAL DRIVE (R180A)
PD-14
Pre-inspection
Before disassembling final drive, perform the following inspection.
I
Total preload
I
Remove the extension tube and the side flange. This measure-
ment must be performed with the extension tube and the differ-
ential flange removed.
1) Turn drive pinion in both directions several times to set bearing
rollers.
2) Check total preload with Tool.
Tool number:
ST3127S000
Total preload:
1.3 - 2.2 N
⋅
m (13 - 22 kg-cm, 11 - 19 in-lb)
I
Ring gear to drive pinion backlash
Check backlash of ring gear with a dial indicator at several
points.
Ring gear-to-drive pinion backlash:
0.13 - 0.18 mm (0.0051 - 0.0071 in)
I
Ring gear runout
Check runout of ring gear with a dial indicator.
Runout limit:
0.05 mm (0.0020 in)
I
Tooth contact
Check tooth contact (Refer to Adjustment).
Final Drive Housing
1. Using three spacers [20 mm (0.79 in)], mount final drive assem-
bly on Tool.
Tool number:
KV38100800
SPD634
SPD635
SPD636
SPD637
DISASSEMBLY (R180A)
PD-15
2. Remove extension tube and differential side shaft assembly.
3. Remove differential side flange.
4. Mark side retainers for identification. Remove side retainers.
Be careful not to confuse right and left side retainers and
shims.
5. Extract differential case from final drive housing.
6. Remove side outer races.
Tool number:
ST33290001
Be careful to keep the side bearing outer races together with
their respective inner cones — do not mix them up.
7. Remove side oil seal.
NPD005
SPD713
SPD639
SPD309
PD243
DISASSEMBLY (R180A)
Final Drive Housing (Cont’d)
PD-16
8. Loosen drive pinion nut.
Tool number:
ST38060002
9. Remove companion flange with puller.
10. Take out drive pinion together with pinion rear bearing inner
cone, drive pinion bearing spacer and pinion bearing adjusting
washer.
11. Remove front oil seal and pinion front bearing inner cone.
12. Remove pinion front and rear bearing outer races with brass
drift.
13. Remove pinion rear bearing inner cone and drive pinion adjust-
ing washer.
Assembly:
ST30905000
Tool number:
ST30031000
SPD752
SPD640
SPD641
PD349
PD179
DISASSEMBLY (R180A)
Final Drive Housing (Cont’d)
PD-17
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