NISSAN ALMERA TINO 2001 Service Repair Manual

Cooling FanNLLC0026COMPONENTSNLLC0026S01
YLC011
ENGINE COOLING SYSTEMQG
Cooling Fan
LC-18

CONTROLSYSTEM
SMA033D
SLC277B
SLC278B
Cooling Fan (Cont'd)

Ð REFILLING ENGINE COOLANT ÐNLLC0037S021. Install reservoir tank, lower radiator hose and cylinder block
drain plug.
+Apply sealant to the thread of cylinder block drain plug.
: 35 - 44 N´m (3.50 - 4.50 kg-m, 26 - 32 ft-lb)
2. Fill radiator slowly with coolant until coolant spills from the air
relief plug, then install air relief plug.
Air relief plug:
: 6.7 - 7.8 N´m (0.68 - 0.80 kg-m, 59 - 69 in-lb)
+Use genuine Nissan anti-freeze coolant or equivalent.
SMA182B
SMA412B
Refer to MA-20, ªRECOMMENDED FLUIDS AND LUBRI-
CANTSº.
Coolant capacity:
Unit:!(Imp qt)
With reservoir tank 6.75 (6)
Reservoir tank 0.7 (5/8)
+Pour coolant through coolant filler neck slowly to allow air
in system to escape.
3. Fill radiator and reservoir tank to specified level.
4. Warm up engine to normal operating temperature without
radiator cap installed.
+If coolant overflows radiator filler hole, install filler cap.
5. Run engine at 2,500 rpm for 10 seconds and return to idle
speed with radiator cap installed.
+Repeat two or three times.
Watch coolant temperature gauge so as not to overheat the
engine.
6. Stop engine and cool it down.
+Cool down using a fan to reduce the time.
+If necessary, refill radiator up to filler neck with coolant.
7. Refill reservoir tank to MAX level line with coolant.
8. Repeat steps 4 through 7 two or more times with radiator cap
installed until coolant level no longer drops.
9. Check cooling system for leaks with engine running.
10. Warm up engine, and check for sound of coolant flow while
running engine from idle up to 3,000 rpm with heater tempera-
ture controller set at several positions between COOL and
HOT.
+Sound may be noticeable at heater water cock.
11. If sound is heard, bleed air from cooling system by repeating
steps 4 through 7 until coolant level no longer drops
+Clean excess coolant from engine.
Ð FLUSHING COOLING SYSTEM ÐNLLC0037S031. Open air relief plug.
2. Fill radiator with water until water spills from the air relief hole,
then close air relief plug. Fill radiator and reservoir tank with
water and reinstall radiator cap.
3. Run engine and warm it up to normal operating temperature.
4. Rev engine two or three times under no-load.
5. Stop engine and wait until it cools down.
6. Drain water.
ENGINE COOLING SYSTEMQG
Changing Engine Coolant (Cont'd)
LC-20

7. Repeat steps 1 through 6 until clear water begins to drain from
radiator.
Overheating Cause AnalysisNLLC0028
Symptom Check items
Cooling sys-
tem parts
malfunctionPoor heat transferWater pump malfunction Worn or loose drive belt
Ð Thermostat stuck closed Ð
Damaged finsDust contamination or
paper clogging
Mechanical damage
Clogged radiator cooling
tubeExcess foreign material
(rust, dirt, sand, etc.)
Reduced air flowCooling fan does not oper-
ate
ÐÐ High resistance to fan rota-
tion
Damaged fan blades
Damaged radiator shroud Ð Ð Ð
Improper coolant mixture
ratioÐÐÐ
Poor coolant quality Ð Ð Ð
Insufficient coolantCoolant leaksCooling hoseLoose clamp
Cracked hose
Water pump Poor sealing
Radiator capLoose
Poor sealing
RadiatorO-ring for damage, deterio-
ration or improper fitting
Cracked radiator tank
Cracked radiator core
Reservoir tank Cracked reservoir tank
Overflowing reservoir tankExhaust gas leaks into
cooling systemCylinder head deterioration
Cylinder head gasket dete-
rioration
ENGINE COOLING SYSTEMQG
Overheating Cause Analysis
LC-21

Symptom Check items
Except cool-
ing system
parts mal-
functionÐ Overload on engineAbusive drivingHigh engine rpm under no
load
Driving in low gear for
extended time
Driving at extremely high
speed
Powertrain system malfunc-
tion
Ð Installed improper size
wheels and tires
Dragging brakes
Improper ignition timing
Blocked or restricted air
flowBlocked bumper Ð
Ð Blocked radiator grilleInstalled car brassiere
Mud contamination or
paper clogging
Blocked radiator Ð
Blocked condenser
Ð
Installed large fog lamp
Service Data and Specifications (SDS)
THERMOSTATNLLC0029
Valve opening temperature ÉC (ÉF) 82 (180)
Valve lift mm/ÉC (in/ÉF)More than 8/95 (0.31/203)
RADIATORNLLC0030Unit: kPa (bar, kg/cm2, psi)
Cap reliefpressureStandard 78 - 98 (0.78 - 0.98, 0.8 - 1.0, 11 - 14)
Limit 59 - 98 (0.59 - 0.98, 0.6 - 1.0,9-14)
Leakage test pressure157 (1.57, 1.6, 23)
COOLANT CAPACITYNLLC0038Unit:!(Imp qt)
With reservoir tank6.75 (6)
Reservoir tank0.7 (5/8)
ENGINE COOLING SYSTEMQG
Overheating Cause Analysis (Cont'd)
LC-22

SEM164F
AEM080
Precautions
LIQUID GASKET APPLICATION PROCEDURENLLC01131. Use a scraper to remove all traces of old liquid gasket from
mating surfaces and grooves. Also, completely clean any oil
from these areas.
2. Apply a continuous bead of liquid gasket to mating surfaces.
(Use Genuine Liquid Gasket or equivalent.)
+For oil pan, be sure liquid gasket diameter is 4.0 to 5.0 mm
(0.157 to 0.197 in).
+For areas except oil pan, be sure liquid gasket diameter is 2.0
to 3.0 mm (0.079 to 0.118 in).
3. Apply liquid gasket around the inner side of bolt holes (unless
otherwise specified).
4. Assembly should be done within 5 minutes after coating.
5. Wait at least 30 minutes before refilling engine oil and engine
coolant.
Preparation
SPECIAL SERVICE TOOLSNLLC0114The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
Tool nameDescription
ST25052000
Hose
NT559
Adapting oil pressure gauge to cylinder block
KV10115801
Oil filter wrench
NT362
Removing oil filter
WS39930000
Tube presser
NT052
Pressing the tube of liquid gasket
ENGINE LUBRICATION SYSTEMSR
Precautions
LC-23

Lubrication CircuitNLLC0115
SLC093B
NLC097
ENGINE LUBRICATION SYSTEMSR
Lubrication Circuit
LC-24

NLC045
Oil Pressure CheckNLLC0116WARNING:
+Be careful not to burn yourself, as the engine and oil may
be hot.
+For A/T models, put selector lever in Park ªPº position.
1. Check oil level.
2. Remove oil pressure switch.
SLC717A
3. Install pressure gauge.
4. Start engine and warm it up to normal operating temperature.
5. Check oil pressure with engine running under no-load.
Engine speed
rpmApproximate discharge pressure
kPa (kg/cm2, psi)
Idle speed More than 78 (0.8, 11)
3,200 314 - 392 (3.2 - 4.0, 46 - 57)
+If difference is extreme, check oil passage and oil pump
for oil leaks.
6. Install oil pressure switch with sealant.
Oil Pump
REMOVAL AND INSTALLATIONNLLC01171. Remove drive belts.
2. Remove oil pans. Refer to EM-91, ªOil panº.
3. Remove oil strainer and baffle plate.
4. Remove front cover assembly. Refer to EM-96, ªTiming Chainº.
SLC491A
+Always replace oil seal and O-ring with new ones.
Refer to EM-105, ªOIL SEAL REPLACEMENTº.
+When installing oil pump, apply engine oil to gears.
+Be sure that O-rings are properly fitted.
+Use a scraper to remove old liquid gasket from mating
surface of front cover.
+Also remove traces of liquid gasket from mating surface
of cylinder block.
ENGINE LUBRICATION SYSTEMSR
Oil Pressure Check
LC-25

SLC492AA
5. Apply a continuous bead of liquid gasket to mating surface of
front cover assembly.
+Use Genuine Liquid Gasket or equivalent.
6. Installation is in the reverse order of removal.
DISASSEMBLY AND ASSEMBLYNLLC0118
SLC265B
1. Oil pump cover
2. Front cover
3. Inner gear
4. Outer gear5. Regulator valve
6. Spring
7. Shim8. Plug
9. Regulator valve assembly
10. Oil strainer
INSPECTIONNLLC0119Using a feeler gauge, check the following clearances:
Standard clearance:
Unit: mm (in)
Body to outer gear radial clearance 10.114 - 0.200
(0.0045 - 0.0079)
Inner gear to outer gear tip clearance 2 Below 0.18 (0.0071)
Body to inner gear clearance 3 0.05 - 0.09 (0.0020 - 0.0035)
Body to outer gear axial clearance 4 0.05 - 0.11 (0.0020 - 0.0043)
Inner gear to brazed portion of housing clear-
ance 50.045 - 0.091
(0.0018 - 0.0036)
+If the tip clearance (2) exceeds the limit, replace gear set.
+If body to gear clearances (1, 3, 4, 5) exceed the limit,
replace front cover assembly.
ENGINE LUBRICATION SYSTEMSR
Oil Pump (Cont'd)
LC-26

SLC854A
SLC049B
REGULATOR VALVE INSPECTIONNLLC01201. Visually inspect components for wear and damage.
2. Check oil pressure regulator valve sliding surface and valve
spring.
3. Coat regulator valve with engine oil. Check that it falls
smoothly into the valve hole by its own weight.
+If damaged, replace regulator valve set or oil pump assem-
bly.
SLC451A
4. Check regulator valve to oil pump cover clearance.
Clearance:
6: 0.040 - 0.097 mm (0.0016 - 0.0038 in)
+If it exceeds the limit, replace oil pump cover.
ENGINE LUBRICATION SYSTEMSR
Oil Pump (Cont'd)
LC-27