water pump NISSAN 300ZX 1984 Z31 Engine Lubrication And Cooling System Workshop Manual

ENGINE LUBRICATION &
COOLING SYSTEMS
i
SECTION LC
CONTENTS
ENGINE LUBRICATION SYSTEM
ENGINE LUBRICATION SYSTEM -Oil Pump
ENGINE LUBRICATION SYSTEM -Oil Pressure Relief Valve
ENGINE LUBRICATION SYSTEM
- Lubricating Oil Passage for Turbocharger
COOLING SYSTEM
COOLING SYSTEM -Water Pump
COOLING SYSTEM -Thermostat
COOLING SYSTEM
- Radiator
COOLING SYSTEM -Cooling Fan
COOLING SYSTEM
- Electric Cooling Fan for Turbocharger
SERVICE DATA AND SPECIFICATIONS
(S D S 1
SPECIAL SERVICE TOOLS
LC- 2
LC- 4
LC- 6
LC- 7
LC- 8
1c-10
1c-11
1c-13
LC- 14
1c-15
1c-16
LC-I 8

COOLING SYSTEM -Water Pump-
Drain coolant from right side drain cocks on cylin-
der block and radiator CAUTION.
When removing water pump assembly, be careful
16- 21 N m I1 6 2 1 kgm. 12- Eft-lbl Always replace with new gasket.
To avoid deforming timing cover, make sure there
is adequate clearance between cover and hose
clamp.
After installing water pump, connect hose
and
tester.
SLC554
Inspection
end play and rough operation clamp securely, then check for leaks using cap
LC-10

SERVICE DATA AND SPECIFICATIONS (S. D.S.)
Engine Cooling System
Radiator
Unit kPa lkg/cm'. psi1
Cap relief pressure
Leakase terr mesure
59 98106 10.9-141
157
I1 6.231 ~~ ~
Thermostat
Standard
76 5 I1701 Valve opentng temperature
Maximum
valve lift
"C I'FI
mmPC Id FI 10190 IO 39/194) ~ ~~~
~ ~
~
Fan coupling
Cut Off point rpm LOW 750
Hlgh Except turbo model 2.450
Turbo model 2.700
Low+ Hightemperature'C I'FI 60.70 1140.1581
Temperature switch (Turbocharged model)
Operatmg temperatwe
OFF - ON "C I'FI 100 (2121
Tightening torque
Unit Nm kgm ft-lb
Water pump securing bolt 16 -21 1621 12-15
Thermostat housing 16-21 16-21 12-15 securing bolt
Water inlet securing bolt
16. 21 16-21 12-15
Water outlet securing bolt 16.21 16-21 12-15
Coolant filler housing bolt 3 - 4 03-04 22-29
Radiator securing bolt 3 -4 03-04 22-29
Radiator hose clamp 3-5 03-05 22-36
Cooling fan securing bolt 6 - 10 06-10 43-72
Fan Coupling securing bolt 6 - 10 06-10 43-72
_- LC-1 f