1987 NISSAN PULSAR wheel torque

WHEELS AND TYRES
SPECIFICATIONS
TYRES PRESSURES
Front:
Normal load ............................................ 200 kPa
Heavy load or high speed ......................230 kPa
Rear:
Normal load............................................ 180 kPa
Heavy load or high speed ...................... 210 kPa
NOTE: The above pressures are measured
cold and are meant as a guide only. Always
refer to the tire placard positioned on the
inside of the glove compartment lid and the
tire manufacturers recommendations first.

TORQUE WRENCH SETTINGS
Wheel nut torque .............................................98 Nm
1. HOW TO CHANGE A ROAD WHEEL
(1) Ensure that the vehicle is on level firm
ground and clear of any passing traffic. (2) If necessary, switch on the hazard
flashers.
(3) Switch off the engine a nd place the transaxle
in the (P) Park position on automatic transaxle
models or in reverse gear on manual transaxle models.

(4) Apply the handbrake firmly and chock the
front and rear of the wheel diagonally opposite the
wheel being changed.
(5) Remove the spare wheel, tool kit and jack
located in the luggage compartment. (6) On vehicles equipped with full wheel covers,
remove the trim from the wheel. (7) Using the wheel spanner, loosen the wheel
nuts progressively in a diagonal sequence half a turn.
(8) Position the jack und er the jacking point
closest to the wheel being removed and raise the jack
until the head of the jack contacts the jacking point.
(9) Raise the vehicle slightly and check that the
jack is stable and vertical.

Underbody view showing the jacking and supporting
points. O indicates the jacking points and X indicates
the supporting points.
Chock the front and rear of the wheel diagonally
opposite the wheel being changed. View of the jack correctly installed to the rear jacking
point.

38 Engine
*Piston skirt to cylinder bore clearance:
1.6 liter .....................................0. 020-0.040 mm
1.8 liter .....................................0. 010-0.030 mm
Gudgeon pin length:
1.6 liter ...................................................... 53 mm
1.8 liter .................................................. 61.5 mm
Gudgeon pin diameter.................20.990-20.995 mm
Gudgeon pin clearance in piston:
1.6 liter .....................................0. 010-0.020 mm
1.8 liter ..................................0. 0055-0.0115 mm
Gudgeon pin offset in piston:
1.6 liter......... 0.35-0.65 mm towards thrust side
1.8 liter................... 0.8 mm towards thrust side
*Measured 9 mm from the bottom of the piston skirt
for 1.6 liter models and 6 mm from the bottom of the
piston skirt for 1.8 liter models.
PISTON RINGS
Rings per piston:
Compression .......................................................2
Oil contro l .......................................................... 1
End gap:
Compression ................................ 0.30-0.50 mm
Oil control —
1.6 liter ......................................... 0.33-1.10 mm
1.8 liter ......................................... 0.40-1.40 mm
CONNECTING RODS AND BEARINGS
Connecting rod side clearance............ 0.07-0.24 mm
Maximum connecting rod weight variation..8 grams
Crankpin bearing oil clearance ....... 0. 019-0.063 mm

CRANKSHAFT AND MAIN BEARINGS
Number of bearings .................................................. 5
End float taken at ...................... No. 3 main bearing
End float .......................................... 0.070-0.302 mm
Bend limit ...................................................0.03 mm
Main bearing oil clearance .............0. 015-0.040 mm
Main bearing journal diameter.. .57.982-57.995 mm
Crankpin diameter .......................48.971-48.987 mm

FLYWHEEL
Ring gear run out limit.................................. 0.3 mm
Clutch face regrind limit .............................. 0.3 mm
CAMSHAFT
Drive ...................................................... Toothed belt
End float .............................................. 0.04-0.14 mm
Bend limit ................................................... 0.03 mm
Bearings ...........................................Direct in housing
Journal diameter:
Standard —

No. 1 ..................................... 42. 455-42.470 mm
No. 2 ..................................... 42. 705-42.720 mm
No. 3 ..................................... 42.955-42.970 mm
No. 4 ..................................... 43.205-43.220 mm
No. 5 ..................................... 43.455-43.470 mm
Undersize —
No. 1 .....................................42.355-42.370 mm
No. 2 ......................................42.605-42.620 mm
No. 3 .....................................42.855-42.880 mm
No. 4 ......................................43.105-43.120 mm
No. 5 .....................................43. 355-43.370 mm
*An undersize camshaft can be identified by a violet
flash between the inlet and exhaust lobes of No. 2
cylinder.

Housing diameter;
Standard —

No. 1 .....................................42. 500-42.525 mm
No. 2 .....................................42.750-42.775 mm
No. 3 .....................................43.000-43.025 mm
No. 4 ......................................43.250-43.275 mm
No. 5 .....................................43.500-43.525 mm
*Undersize —
No. 1 .....................................42.400-42.425 mm
No. 2 .....................................42.650-42.675 mm
No. 3 .....................................42.900-42.925 mm
No. 4 ......................................43.150-43.175 mm
No. 5 .....................................43.400-43.425 mm
*An undersize camshaft housing can be identified by
a violet flash on the centre camshaft bearing support.

LUBRICATION
Oil pump type .......................................Involute gear
Filter type................................... Full flow disposable
Oil pressure at 4 000 rpm .....................480-620 kPa
Rotor assembly end float .................. 0.03-0. 010 mm
Rotor teeth backlash ......................... 0.010-0.20 mm
TORQUE WRENCH SETTINGS
*Cylinder head bolts:
Initial torque ............................................. 25 Nm
1st stage ......................................... + 60 degrees
2nd stage ........................................ + 60 degrees
3rd stage......................................... + 60 degrees
4th stage, engine at operating
temperature .............................. + 30-50 degrees
Exhaust manifold nuts .................................... 22 Nm
Exhaust manifold flange nuts ......................... 22 Nm
Inlet manifold nuts.......................................... 22 Nm
Throttle body to inlet manifold nuts ..............12 Nm
Camshaft liming gear bolt ...............................45 Nm
Camshaft retainin g plate bolts ......................... 7 Nm
Camshaft cover bolts......................................... 8 Nm
Thermostat cover bolts ....................................15 Nm
*Main bearing bolts..................60 Nm + 45 degrees
Connecting rod bearing
cap nuts ................................... 35 Nm + 45 degrees
* Crankshaft timing
gear bolt.................................. 145 Nm + 35 degrees
*Flywheel bolts
(microencapsulated) ................ 60 Nm + 30 degrees
*Drive plate bolts (microencapsulated)........... 60 Nm
Water pump bolts............................................ 25 Nm

40 Engine


Check the engine oil for level and dilution on the dipstick.
dosed. Before dismantling the engine to
inspect the big ends check the engine oil for
correct level and dilution on the dipstick.
Also, remove the oil pressure sender unit
and connect an oil pressure gauge into the
oil gallery to check the oil pressure readings.

MAIN BEARING NOISE (APPARENT)
(1) Loose flywheel: Tighten the flywheel securing
bolls to the specified torque. (2) Low oil pressure: Check the bearing to
journal clearance. Check the condition of the oil
pump and pressure relief valve. Recondition the oil
pump as necessary. (3) Excessive crankshaft end float: Renew the
main bearings. (4) Crankshaft journals out of round and exces-
sive bearing to journal clear ance: Regrind the journals
and renew the bearings (undersize).
(5) Insufficient oil supply: Replenish the oil in
the sump to the correct level.
NOTE: Main bearing noise is indicated by a
heavy but dull knock when the engine is
under load. A loose flywheel is indicated by
a thud or dull click when the ignition is
turned off. It is us ually accompanied by
vibration.

Crankshaft end float noise is indicated by
a sharp rap at idle speed. The crankshaft
can be readily checked for excessive end
float by levering the crankshaft backwards
and forwards.

If the oil pressure is not satisfactory,
remove the main bearing caps and assess
the bearing clearance using the Plastigage
method as described in this section. Ovality
and wear on the main bearing journals can
only be checked with a micrometer after the
crankshaft has been removed.

EXCESSIVE OIL CONSUMPTION
(1) Oil leaks: Check and renew the engine gas-
kets or seals as necessary.
(2) Damaged or worn valve stem oil seals:
Dismantle the cylinder head and renew the damaged
or worn oil seals. (3) Excessive valve stem to valve guide clear-
ance: Ream the valve guides and renew the valves as
necessary. (4) Worn or broken piston rings: Renew the
piston rings on all pistons. (5) Rings too tight or stuck in the grooves:
Renew the rings and clean the ring grooves.
(6) Excessive wear in the cylinders, pistons and
rings: Recondition the cylinders and renew the pistons
and rings. (7) Compression rings incorrectly installed. Oil
rings clogged or broken: Renew the piston rings.
NOTE: Before checking the engine for oil
leaks the engine should be completely de-
greased and cleaned. Run the engine at
operating temperature for a period and
visually check for oil leakage. By placing
white paper on the floor directly beneath the
engine any excessive leak can be readily
pinpointed.

Damaged or worn valve stem oil seals
which allow oil to be drawn down past the
valve stems into the combustion chambers
can be diagnosed by allowing the engine to
idle for a few minutes and then opening the
throttle. If oil is being drawn past the valve
stems a heavy discharge of blue smoke will
be seen at the tailpipe.

Piston, ring and cylinder bore troubles are
normally accompanied by a loss of compres-
sion. Cylinder compression can only be
accurately assessed by using a compression
gauge.

Run the engine over white paper to check for oil leaks.

46 Engine
(1) Ensure that all carbon and old gasket mate-
rial is cleaned from the manifold and cylinder head
faces. (2) Check the face of the manifold for distortion
using a straight edge and a feeler gauge. (3) Use a new gasket and ensure that the mani-
fold retaining nuts are tightened to the specified
torque in a spiral pattern from the centre outwards. (4) Adjust the throttle cabl e as described in the
Fuel and Engine Management section and the kick-
down cable as described in the Automatic Transaxle
section.
(5) Start the engine and check for air, fuel and
water leaks.
EXHAUST MANIFOLD

To Remove and Install
(1) Bring the engine to operating temperature
and remove the oxygen sensor.
(2) Disconnect the negative battery terminal.
(3) On 1.6 liter models, remove the air cleaner
nuts, disconnect the vacuum hose and withdraw the
air cleaner from the vehicle. (4) Remove the front exhaust pipe flange mount-
ing nuts and separate the exhaust pipe from the
manifold. (5) Remove the heat shield retaining bolts and
withdraw the heat shield from the exhaust manifold. (6) Remove the exhaust manifold to cylinder
head retaining nuts and remove the manifold from the
engine. Discard the manifold gasket. Installation is a reversal of the removal procedure
with attention to the following points:

(1) Ensure that all carbon is cleaned from the
manifold and cylinder head mating surfaces. (2) Check the face of the manifold for distortion
using a straight edge and feeler gauges. (3) Use new gaskets on assembly.
(4) Tighten the exhaust manifold retaining nuts
to the specified torque in the sequence shown in the
illustration. (5) Install the oxygen sensor. Refer to the Fuel
and Engine Management section. (6) Coat the threads of the front exhaust pipe to
manifold retaining nuts with an anti-seize solution
and tighten the nuts to the specified torque.
5. CAMSHAFT DRIVE BELT
Special Equipment Required:
To Adjust — Drive belt adjusting tool
TO REMOVE
(1) Disconnect the negative battery terminal.
(2) Raise the front of the vehicle, support it on
chassis stands and remove the right hand front wheel.
Refer to the Wheels and Tires section. (3) Remove the fasteners securing the engine
splash guard to the right hand front inner mudguard
and remove the splash guard. (4) Loosen the alternator adjusting bolt and if
equipped, the power steering and air conditioning
adjusting bolts. Remove the drive belt(s).


View of the exhaust manifold and components showing
the correct tightening sequence.

View of the 1.8 liter engine with the upper timing belt
cover removed showing the camshaft gear timing
marks. Inset shows the crankshaft pulley timing
marks.

54 Engine
in the valve stem groove before releasing the spring
compressor. A sharp tap to the top of the valve stem
with a soft faced hammer will ensure that the collets
are correctly seated.

(7) Install the inlet and exhaust manifolds using
new gaskets and tighten the mounting nuts to the
specified torque as previously described. (8) Install a new sealing ring to the
thermostat
housing, install the housing to the cylinder head and
tighten the mounting bolts to the specified torque.
(9) Ensure that the lappet assemblies are filled
with clean engine oil and install the tappets in
their
respective bores in the cylinder head. (10) Install the thrust pads to the top of each
valve
assembly, ensuring that they are returned to their
original locations. (11) Coat the contact surfaces of the rocker arms
with molybdenum disulphide grease and install the
rocker arms to their origin al locations on the cylinder
head. (12) Install the cylinder head to the engine as
previously described.
8. ENGINE SUMP AND OIL PUMP PICKUP . PIPE

TO REMOVE
(1) Disconnect the negative battery terminal.
(2) Raise the front of the vehicle and support it
on chassis stands. Refer to the Wheels and Tires
section for the correct procedure.
(3) Remove the sump plug and drain the engine
oil into a container. Install and tighten the plug
after the oil has been drained.
(4)
Remove the engine pipe as described at the
end of this section.
(5) Remove the nuts and bolts retaining the
engine crossmember to the vehicle underbody and
withdraw the crossmember from the vehicle. On
automatic transaxle models, it will be necessary to
release the selector cable from the crossmember
bracket.
(6) Remove the sump retaining bolts and wash-
ers and if necessary firmly bump the sump with the
palm of the hand and remove it from the engine. (7) Remove the bolts retaining the oil pump
pickup pipe to the oil pump and disconnect the
pickup pipe from the support bracket. Remove the
pickup pipe and discard the O ring seal. (8) Remove the scraper and gasket from the
engine. (9) Clean the gasket material from the sump,
engine block and the scraper.
NOTE: If the scraper assembly is damaged
it should be renewed.

TO INSTAL
(1) Wash the inside of the sump to remove
carbon and sludge deposits. Check for any metal
deposits which may indicate an imminent component
failure. (2) Inspect the sump for dents and cracks.
Ensure that the gasket sea ling face is not distorted or
damaged. (3) Clean the pickup pipe screen with solvent
and a brush. (4) Using a new O ring seal, install the pickup
pipe. Coat the pipe retain ing bolts with Loctite 242
and tighten to the specified torque. (5) Apply a bead of KP510-00150 sealer or
equivalent to the oil pump to cylinder block mating
joint area. (6) Ensure that the sump gasket is correctly
located on the scraper and install the sump to
the
engine. Apply Loctite 242 to the threads of the sump
bolts and tighten the bolts to the specified torque.
(7) Install the front exhaust pipe using a
new
gasket and coat the threads of the flange nuts with an
anti-seize compound before tightening the nuts to the
specified torque. (8) Install the engine crossmember and
tighten
the nuts and bolts securely. If applicable, connect the
automatic transaxle selector cable to the crossmember
bracket. (9) Ensure that the sump drain plug is secure
and lower the vehicle to the ground. (10) Fill the engine with the specified amount and
grade of engine oil. Refer to the Lubrication and
Maintenance section if necessary. (11) Start and run the engine and check for oil
leaks.
View of the sump, oil pump pickup, gasket and scraper
removed from the engine.

56 Engine

Checking the oil pump rotor end float.
with a feeler gauge. Renew the oil pump if this
clearance exceeds the Specifications.

(5) Check the cover plate for wear and scoring
and renew as necessary. (6) Check the relief valve plunger and spring for
wear or damage. Renew any faulty components as
necessary.
TO ASSEMBLE AND INSTAL

Assembly is a reversal of the dismantling proce-
dure with attention to the following points:

(1) Liberally lubricate all components with clean
engine oil before assembly. (2) Install the relief valve plunger and spring into
the pump housing and install the relief valve
plug
using a new sealing washer. Tighten the plug securely. (3) Install the outer rotor into the pump housing with the F mark on the rotor facing towards the cover
plate, if applicable. Install the inner rotor ensuring that
it is correctly meshed with the teeth of the outer rotor.

(4)
Install the cover plate to the oil pump housing
and tighten the retaining screws to the specified
torque. (5) Install a new oil seal to the front of the oil
pump housing. Ensure that the lip of the oil seal faces
the inside of the oil pump housing. (6) If necessary, install the oil pressure gauge
sender unit.
(7) Turn the inner rotor in the oil pump housing.
Ensure that the oil pump rotates freely. (8) Ensure that the mating surfaces of the oil
pump and cylinder block are thoroughly clean. Coat
the oil pump gasket with an oil resistant sealer and
install the oil pump and gasket to the cylinder block. It
may be necessary to turn the oil pump slightly to align
the inner rotor and crankshaft. Tighten the retaining
bolts to the specified torque.
NOTE: Ensure that the oil seal installed to
the oil pump is not damaged when the oil
pump is positioned on the crankshaft.

(9) Install the camshaft drive belt inner cover.
(10) Install the water pump using a new O ring.
Coat the water pump and the engine block mating
surfaces with Dow Corning silicone grease or equiva-
lent. Do not fully tighten the water pump retaining
bolls at this stage. (11) Install the camshaft timing gear and tighten
the retaining bolt to the specified torque.
(12) Install the crankshaft timing gear spacer, key
and timing gear to the crankshaft. (13) Using a new crankshaft timing gear retaining
bolt, install the spacer and tighten the retaining bolt to
the specified torque. (14) Ensure that the oil pump pickup pipe and
screen are clean and free of foreign material. Install a
new O ring to the pipe and position the pickup pipe
and screen in position on the oil pump. Coat the
threads of the mounting bolts with Loctite 242 and
torque the bolts to the specified torque. (15) Fill a new oil filter with the correct grade of
engine oil and install the oil filter. (16) Install the sump as previously described.
(17) Install and adjust the camshaft drive belt as
described under the Camshaft Drive Belt heading. (18) Fill the engine with the correct grade and
quantity of oil. Refer to the Lubrication and Mainte-
nance section.
(19) Fill the cooling system as described in the
Cooling and Heating Systems section. (20) Start and run the engine and check for oil
and coolant leaks. (21) Install the engine splash guard to the
inner
right hand mudguard. (22) Install the right hand wheel and tighten the
wheel nuts as much as possible.
Checking the oil pump inner to outer rotor teeth
backlash.

Engine 57
(23) Lower the vehicle to the ground and securely
tighten the wheel nuts.

10. PISTONS, CONNECTING RODS AND
CYLINDER BORES

Special Equipment Required:
To Inspect — Micrometer, cylinder measuring
gauge
To Remove Ridge from Bores — Ridge removal tool
To Deglaze Cylinder Bores — Cylinder surfacing
hone
To Install — Piston ring compressor
TO REMOVE
(1) Remove the engine sump and oil pump
pickup pipe as previously described. (2) Remove the cylinder head as previously
described. (3) Mark the relationship of the pistons to their
respective cylinders and the bearing caps to their
respective connecting rods by letter stamps or centre
punch marks. (4) Measure each connecting rod for side clear-
ance on the crankpin. Refer to the illustration. If the
clearance exceeds the Speci fications a new connecting
rod will have to be installed on assembly. (5) With number one cylinder on the bottom of
its stroke, remove the bear ing cap bolts and the
bearing cap. Wipe the bearing shell and the exposed part of the
journal with a piece of clean lint free cloth, insert a
piece of Plastigage across the journal, install the
bearing cap and tighten the bolts to the specified
torque.

Remove the bolts and cap and measure (with the
scale on the packet) the spread width of the Plastigage
to determine the bearing clearance.

Compare the measurement to the Specifications
and if the bearing clearance exceeds the limit, install a
new bearing on assembly.

Repeat the procedure on the remaining cylinders
and note each individual bearing clearance for assem-
bly purposes.

NOTE: Do not rotate the engine while the
Plastigage is in position or false readings
will result.

Dismantled view of the piston and connecting rod
components.
(6) Remove each bearing cap in turn, keeping
them in order, and using a wooden hammer shaft,
push each piston assembly from the cylinder block
and install its respective bearing cap.

NOTE: Before removing the pistons, remove
the ridge from the top of the cylinder bore
using a ridge removal tool.

(7) Remove the piston rings over the top of the
piston and discard the piston rings.

Checking the connecting rod side clearance using feeler
gauges.

60 Engine
NOTE: Should the ring end gap be greater
than the specified gap, another ring set
should be obtained and the ring end gaps
checked and compared with the Specifica-
tions.

(3) Treat each ring and cylinder bore individu-
ally and ensure that the rings are assembled to the
respective piston for the cylinder bore in which they
were installed to check the end gap.
(4) Assemble each oil control ring to its respec-
tive piston bottom groove as follows:
(a) Install the oil ring expander to the
piston
groove, ensuring that the ends of the expander are
bulled together and not overlapped. (b) Position one end of the lower side rail in the
groove and peel the ring over the piston and into the
groove. (c) Similarly install the upper side rail.
(5) Install the lower compression ring into
the
lower piston groove.

NOTE: The compression rings should be
installed with the manufacturers mark fac-
ing the top of the piston. To minimize the
possibility of ring breakage the rings can be
immersed in hot water prior to installation.

(6) Install the upper compression ring into
the
upper piston groove.
(7) Space the compression ring gaps 120 degrees
apart, and ensure that the o il ring gaps and the join in
the oil ring expander are not aligned. (8) With the rings correctly installed and
gapped, remove the bearing cap from the connecting
rod. (9) Liberally lubricate the piston assembly and
install the piston ring compressor to number one
piston.
NOTE: When installing the pistons to the

cylinder ensure that the front marking on
the piston is towards the front of the engine.

(10) Turn the crankshaft until number one crank-
pin is at the bottom of its stroke. (11) Install number one piston and connecting
rod
assembly into its bore. Push the assembly down the
bore until the connecting rod can be aligned with
number one crankpin.
NOTE: The bearing shells should be lubri-
cated with engine oil before installation.

(12) Install the connecting rod cap and tighten
the
retaining bolts to the specified torque.

NOTE: If new bearing shells were installed,
check the bearing clearance with Plastigage
as previously described.

(13) With the bearing clearance as specified, in-
stal the remaining pistons in the same manner.
(14) Ensure that the crankshaft turns without
binding.
(15) With all connecting rod bolts tightened to
the specified torque, install the associated
components
by referring to the relevant headings in this section.
11. CRANKSHAFT AND MAIN BEARINGS

Special Equipment Required:
To Inspect — Micrometer, Vee blocks, dial gauge
TO REMOVE
(1) With the engine assembly removed from the
vehicle and the transaxle separated from the engine,
refer to the appropriate headings or sections and
remove the following components: sump, oil pump
pickup pipe, oil pump, and flywheel or drive plate. (2) Remove the crankshaft rear oil seal from the



Using a ring compressor to install the piston.
Checking the crankshaft end float using feeler gauges.