ECU 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