Nissan Terrano model r20 series 2004. Instruction — part 268
Differential Case
1. Remove side bearing inner cones.
To prevent damage to bearing, engage puller jaws in grooves.
Assembly:
ST33065001
Tool number:
q
A
ST33051001
q
B
ST33061000
Be careful not to confuse the right and left hand parts.
2. Loosen ring gear bolts in a criss-cross fashion.
3. Tap ring gear off differential case with a soft hammer.
Tap evenly all around to keep ring gear from binding.
4. Separate L.H. and R.H. differential cases.
Put match marks on both L.H. and R.H. differential cases.
SPD642
SPD022
SPD024
SPD643
DISASSEMBLY (R180A)
PD-18
Extension Tube and Differential Side Shaft
1. Remove differential side shaft assembly from extension tube.
2. Cut rear axle bearing collar with cold chisel. Be careful not to
damage differential side shaft.
3. Install differential side shaft into extension tube and secure with
bolts. Remove extension tube retainer from differential side
shaft.
4. Remove grease seal.
SPD644
SPD645
SPD646
SPD647
DISASSEMBLY (R180A)
PD-19
Ring Gear and Drive Pinion
Check gear teeth for scoring, cracking or chipping.
If any damaged part is evident, replace ring gear and drive pinion
as a set (hypoid gear set).
Differential Case Assembly
Check mating surfaces of differential case, side gears, pinion mate
gears, pinion mate shaft and thrust washers.
Bearing
1. Thoroughly clean bearing.
2. Check bearings for wear, scratches, pitting or flaking.
Check tapered roller bearing for smooth rotation. If damaged,
replace outer race and inner cone as a set.
SPD648
SPD715
INSPECTION (R180A)
PD-20
To avoid confusion while calculating bearing shims, it is absolutely
necessary to stay with the metric system. If you measure anything
in inches, the results MUST be converted to the metric system.
Drive Pinion Height
1. First prepare Tools for pinion height adjustment.
q
1
Height gauge (ST31211000)
q
2
Dummy shaft (ST31212000)
q
3
Collar
q
4
Feeler gauge
q
5
Dummy shaft spacer (ST31851000)
q
6
Stopper (ST31852000)
q
7
Preload gauge (ST3127S000)
I
Use a collar which has the specifications shown at left.
2. To simplify the job, make a chart, like the one below, to orga-
nize your calculations.
LETTERS
HUNDREDTHS OF
A MILLIMETER
H:
Head number
D
′
:
Figure marked on dummy shaft
S:
Figure marked on height gauge
N:
Measuring clearance
3. Write the following numbers down in the chart.
H: Head number
SPD633
SPD753
SPD542
ADJUSTMENT (R180A)
PD-21
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