torque NISSAN 300ZX 1984 Z31 Steering System Workshop Manual

POWER STEERING GEAR AND LINKAGE
1701.
I601
I501
Disassembly and
Rack and inner tube assembling
-
1
Insert rack packing into rack
damage by rack teeth Attach back-up
oat of automatic 80" fluid "Dexion * 1 - n '6 Type" to matlng surface of rack packing 1 ack
k pnrton
KV48103100 lJ342641
ackup collar and rack
1
Insert rack packing into mer tube with tool
SST211A
Tie-rod inner socket installation
After tightening inner socket, bend
lock plate securely and remove burrs

7 Lock plate
Inner socket
Apply locking sealer
78-98Nm ' I8 0 - 10 0 kern. 58.72 h-lbl / I Be sure lock plate ratchet gets into groove at rack end SST213A
Rack stroke
sembly (Cont'd)
Cylinder end housing and pinion housing lock nut
tightening
n : Locknut:
78 - 108 N m
(8.0 - 11.0 kg-m, 58 - 80 ft-lb)
Torque wrench
lJ288201 vc'
98 I101
88 I91
-
04050607 08 m
4' I1 51 I2 01 (2 51 Iff1
Effective length of torque wrench L ssT212A
Tie-rod installation
Lack nut Lock plate
Inner socket
Standard dimension L = 31 5 mm I1 476 In1 When installing tie-rod or adiustmg toe-,".
be careful not to twist boots Toe-," Refer to MA section
Pl"l.3"
Rear housing
I?-
- 62 lz.441 'Cylmder end housing /
SST'214A
iTie-rad inner socket
ICylmder
end hourlng sidel SSTZlBA IPinion sidel
ST-I 1

POWER STEERING GEAR AND LINKAGE
Inspection and Adjustment
PINION PRELOAD AND RACK STARTING
FORCE
After disconnecting hydraulic line and draining
fluid, measure them
Pmon preload Less than 1 2 N m I12 kg-cm, 10 In-lbl
Turn shaft by wrappi towel or wnvl tape ar serrated portion
102100 (J288171
SST216A
Rack starting force 122 6.1863 N I12 5- 19 kg.276 -41 9 Ibl at Steernng Ce"t.3,
SST217A
If they are not within specifications, adjust
retainer adjusting screw
If retainer adjustment cannot be made proper-
ly, fully loosen retainer adjusting screw, and
then adjust pinion preload
Then readjust retainer adjusting screw
If pinion preload adjustment cannot be made
properly, replace steering gear assembly
Retainer adjustment
1
2
3
R
Remove retainer adjusting screw and clean old
locking
sealer off the threads
Apply new locking sealer to the threads
Tighten
the screw to approximately 3 N rn (0.3
kg-m, 2 2 h-lb) and back it off by 20 to 25"
If preload and starting force are within speci-
fied ranges, tighten lock nut securely (Check
rack for smooth movement over
its entire
stroke.)
Pinion preload:
Less than 1.2 Nm 112 kgcm, 10 in-lb)
Rack starting force:
122.6
- 186.3 N
(12.5-19kg,276 -41.9lb)
. Retainer adjusting screw lock nut
39 - 59 Nm
(4.0 - 6.0 kgm, 29 - 43 ft-lb)
Pinion preload adjustment
Before making pinion preload adjustment, make
sure retainer adjusting screw
is loosened com-
pletely
1 Screw in rear housing cover completely and
back it off by 180 to 360". Then turn pinion
a few rotations and then measure pinion
starting torque
KV48101700
I or
SST218A
Pinion starting torque T, :
Free play should not be allowed for pinion
Less than 0.7 Nm (7 kg-cm, 6.1 in-lb)
ST-1 2

POWER STEERING GEAR AND LINKAGE
inspection and Ac
2 Screw in rear housing cover until pinion start-
ing torque equals "T,
", then tighten lock nut
T, =TI
+ T3 [T3 = approx. 0 5 N.m (5 kg-cm,
4.3 in-lb)]
pj . Locknut:
78.137 Nm
(8.0 - 14.0 kgrn, 58 - 101 ft-lb)
KV48101700 lJ288191 KV48101690 lJ28818)
1501 2 69 171 _. -.
? 1 59(61!* T %40.50 60.70 8 m - 9
5 4, I1 51 12 01 (2 51 lft)
Effective length of torque wrench L SST219A
Measure pinion starting torque T4 to make sure
it is within specified range
T4
:
3
Less than 0.8 N.m (8 kgcm, 6.9 in-lb)
and
TI
+ [0.10 - 0.25 Nm (1.0.2.5 kg-cm,
0.87.2 17 in-lb)]
4. If T, does not meet the above two values, re-
peat step
2 and re-adjust pinion preload using
T3.
TIE-ROD OUTER SOCKET
1 Check ball joint for swinging torque. /
SST130A
ustment (Cont'd)
Tie-rod outer socket:
Swinging toque
0.29.2.94 Nm
(3
0 - 30 kg-cm, 2.6 - 26.0 in-lb)
2 Check condition of dust cover If it is cracked
excessively, replace.
TIE-ROD INNER SOCKET
Check inner socket for swinging torque and play If
ball stud
is worn and play in axial direction IS ex-
cessive or joint
is hard to swing, replace as a com-
plete unit.
Tie-rod inner socket:
Swinging toque
1.0 - 7.8 N m
(10 - 80 kg-cm, 8.7 - 69.4 in-lb)
0 mm (0 in)
Axial play
n
it- * SSTl 06A
BOOT
Check condition of boot
If it is cracked excessive-
ly, replace boot
CYLINDER TUBES AND BREATHER HOSE
Check cylinder tubes and breather hose for
scratches or other damage
Replace if necessary
STEERING GEAR COMPONENT PARTS
Thoroughly examine those component parts.
If
those parts are damaged, cracked or worn, replace
as steering gear assembly
ST-1 3

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
Tie-rod outer ball joint
Swinging torque N m (kgim. m4b)
- Inspection and Adjustment
(Cont'd)
0 29.2 94
I3 0.30,2 6.26
01 ~~~
Pinion gear
preload
(Ptnlon and rack gear assembly without
fluid1 N m Ikgcm, tn-lbl
Tie-rod inner ball joint 10-78 Swinging torque N m (kgem, in-lb) 110 - 80.8 7 .69 41
__~ ~
Less than 1 2 (12.10)
Axial Dlay mm (in) I 0 IO)
Rack stroke
Pinion
I' ? Pack
Rear housing
Tne-rod innel rocket Tie-rod inner socket
& .l
Unit mm Ion) linder end housina - ICyImder end hourmg sadel SST223A
Tie-rod standard length mm (In)
Inner rocket
8 Standard dimensnn L = 37 5 mm I1 476 ln) e When installing tie-rod or adjusting toe-in, be careful not Io twist boots Toe-in Refer to MA seCtion SST214A
1226- 1863
(12 5.19.276 -41.9) Rack stanmg force at steering center (Pinion and rack gear assembly without
fluid) N (kg. Ib)
Tightening Torque
STEERING COLUMN ~~~~
U"lt Nm kg-m ft-lb
Steering wheel nut 49-59 50-60 36-43
Steering column to
body 9 - 14 09-14 65-101
Hole cover to dash panel 3 .5 03-05 22-36
Columnlaintfixingbolt 32-38 33-39 24.28 (Lower joint, column set)
Jacket lower tube to
34-44 035-045 25-33 steering column clamp
STEERING GEAR & LINKAGE (PR-24s)
Unit Nm kg-m ft-lb
Tie-rod lock nut
Tie-rod inner socket to
rack (With sealant)
Cylinder end housmg
& pinion housmg lock nut
Rear housmg to pman
housing
Rear housing
cover lack
nut
Retainer lock nut
Cylinder tube flare nut
Gear & linkage mounting
Tie-rod
to knuckle arm
78 -98
78 -98
78 - 108
8-12
78.137
39 - 59
20
- 26
29-39
54 -98
80-100
80.100
80.110
08-1 2
80-140
40-60
20-27
30-40
55-100
58.72
58-72
58-80
58-87
Ea - 101
29 -43
14-20
22-29
40 - 72
OIL PUMP
U"lt Nm kg-m ft-lb
Mounting bracket to engine 14. 18
Engine sllnger mounting 14 - 18 bolt
011 pump to mounting 31 .42 bracket (Through bolt)
011 pump casing to 31 -42 rub bracket
Adlusting bar bracket
to 16.21 mounting bracket
Sub bracket to adjusting bar
16 - 21
Pulley lock nut 31 -42
Rear cover fixing bolt 38 - 52
Connector (Spool cover) 69 - 78
Suction piDe to easing 9-12
14-1 8
14-18
33-43
32-43
16-21
16-21
32-43
39-53
70-80
09-12
10-13
10
- 13
23 - 31
23 - 31
12-15
12-15
23.31
28-38
51
-58
65-87
ST-1 8

SERVICE DATA AND SPECIFICATIONS (S.D.S.)
Tightening Torque (Cont'd)
HYDRAULIC LINE AND OIL PRESSURE
SWITCH
U"lt Nm kg-m ft-lb
Lowpressure pipe to 27-39 28-40 20-29
Steering gear
Highpressure pipe to
15-25 15-25 11-18
steering gear
H ig hprerw re pipe 49 - 69 50-70 36-51
connector bolt
(At
011 pump1
011 pressure switch 13.18 13-18 9-13
ST-19