spark plugs Alfa Romeo 8C 2010 Owner handbook (in English)

135
5
USING THE VEHICLE
ANTI-POLLUTION
DEVICES Even if the vehicle is equipped with anti-pollution
devices, the environment deserves the greatest
respect from every one of us.
By following a few simple rules, the vehicle
driver can avoid damaging the environment and
very often can reduce fuel consumption as well.
In this regard, some useful information is listed
here below; please read it carefully.
The correct operation of the anti-pollution devices
not only assures respect for the environment, but
also has an impact on vehicle performance.
So, keeping these devices in good working
conditions is the first rule for driving that is both
ecologically sound and economical.
The first precaution is to follow the Scheduled
Maintenance plan scrupulously. Always use unleaded fuel.
If starting is difficult, do not make prolonged
attempts.
Especially avoid push starts, towing or hill starts:
these are all manoeuvres that can damage
catalytic converters.
Use an auxiliary battery only when making an
emergency start.
While driving, if the engine does not run
smoothly, you may continue driving but reducing
engine performance to a minimum; you should
then contact an Authorised Service Centre
of the Manufacturer’s Network as soon as
possible.
Never run the engine, even if only for testing,
with one or more spark plugs disconnected.
Do not warm up the engine letting it idle before
starting off, except in the event of very low
outside temperatures and, even then, for no
longer than 30 seconds.
CAUTION
During normal operation the
catalyst converter generates high
temperatures. Do not, therefore, park
the vehicle on flammable materials
(e.g. grass, dry leaves, pine needles,
etc.): risk of fire!
Do not install heat guards and do not remove
those already fitted to the catalytic converter and
to the exhaust manifold.
Do not spray anything on the catalytic converter,
lambda probe and exhaust manifold.
CAUTION
Failure to comply with these
rules can lead to fire hazards.

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7
TECHNICAL SPECIFICATIONSENGINEGeneral
Type code AR8C
Cycle Otto
Cylinder number and position V 8 - 90°
Number of valves per cylinder 4
Bore and stroke mm 94x84.5
Total displacement cm3 4,691
Compression ratio 11.25±0.2
Maximum power (EC) kW 331
HP 450
corresponding RPM RPM 7,000
Maximum torque (EC) Nm 480
kgm 49
corresponding RPM RPM 4,750INJECTION – IGNITION
The ignition and injection system is controlled by
a single microprocessor ECU.
Injection
- Type Bosch Motronic ME7.1.1.
Ignition
- Static ignition
- Ignition sequence: 1-8-6-2-7-3-4-5
- Ignition coil:
ELDOR 78407003.C00
- Spark plugs: NGK PMR8C-H.
Battery
EXIDE 12V 88Ah 580A
Electric alternator
NIPPONDENSO SC2 150A

8
MAINTENANCE
Scheduled Maintenance ...................................................................................................... 190
Additional checks ............................................................................................................... 192
Level checks ..................................................................................................................... 193
Air fi lter ............................................................................................................................ 197
Anti-dust/anti-pollen fi lter ................................................................................................... 197
Battery ............................................................................................................................. 198
Electronic control units ........................................................................................................ 199
Spark plugs ...................................................................................................................... 200
Wheels and tyres ............................................................................................................... 200
Windscreen wipers .............................................................................................................202
Air conditioning/heating system .......................................................................................... 203
Bodywork ......................................................................................................................... 204
Interiors ........................................................................................................................... 206
If the vehicle is laid up for long periods ................................................................................. 207
Radio-frequency remote control: Ministerial homologation ....................................................... 211
Conversion table ................................................................................................................ 212

200
8
WARNING: Incorrect installation or modifications
to the audio and alarm systems may interfere
with the proper operation of the Electronic
Control Units.
WARNING: Changes or repairs to the electrical
system carried out in an incorrect manner
or without taking into account the technical
specifications of the system may cause operating
malfunctions with the risk of fire.
WARNING: If you need to wash the engine
compartment, do not direct the jet of water for
too long directly on the engine compartment
ECU.
SPARK PLUGSIt is essential that the spark plugs are sound and
clean to help ensure engine performance and to
keep polluting emissions to a minimum level.WARNING: The spark plugs must be changed
at the intervals specified in the Maintenance
Schedule. Only use the recommended spark
plugs: faults may arise if the heat rating is
unsuitable, or if the specified duration is not
guaranteed.
WHEELS AND
TYRESTo obtain the best performances and
the longest tyre life, comply with the
following precautions during the first
500 Km:
- do not drive at maximum
permitted speed
- drive on curves at low speed
- avoid sudden steering
- avoid sudden braking
- avoid sudden accelerations
- do not drive long at high speeds
for too long.

219
9
TABLE OF CONTENTS
If there are injured persons ............................ 171
First aid kit .................................................. 172
Capacities and technical specifi cations ...... 175
Fuel ................................................................176
Engine oil ........................................................176
Capacities: quantity and speci cations of the
products to use .............................................177
Capacities and recommended products ............. 177
Fuel consumption .............................................179
Fuel consumption following the 2004/3/EC
directive (litres per 100 km) ....................... 179
CO2 exhaust emissions .....................................179
CO2 emissions according to Directive
2002/80B/EC (g/km) ............................ 179
Technical speci cations .....................................180
Engine ........................................................ 180
Injection – Ignition ....................................... 180
Lubrication system ....................................... 181
Cooling system ............................................ 181
Transmission ................................................ 181
Gearshifting ................................................. 182
Brakes ........................................................ 182
Suspension ................................................. 183
Steering ...................................................... 183
Wheels ....................................................... 183
Performance ................................................ 184Weights ...................................................... 184
Dimensions ................................................ 185
Tyre pressure ...................................................186
Maintenance .......................................... 189
Scheduled Maintenance ....................................190
After the 11
th service ................................... 190
Additional checks .............................................192
WARNING - Engine oil .................................... 192
WARNING - Air fi lter ..................................... 192
Level checks ....................................................193
Engine oil .................................................... 194
Gearbox oil ................................................. 195
Engine coolant ............................................. 195
Windscreen/headlight washer fl uid ................. 195
Power steering fl uid ...................................... 196
Brake fl uid ................................................. 196
Air lter ..........................................................197
Anti-dust/anti-pollen lter ...............................197
Battery ............................................................198
Useful hints for extending the life
of the battery ........................................... 198
Electronic control units .....................................199
Spark plugs .....................................................200
Wheels and tyres .............................................200
How to use the tyres .................................... 201Windscreen wipers ...........................................202
Spray nozzles .............................................. 203
Replacing the wiper blades ............................ 203
Air conditioning/heating system .......................203
Bodywork ........................................................204
Protection from atmospheric agents ................ 204
Tips for keeping the bodywork in good
condition .................................................. 204
Engine compartment ..................................... 205
Interiors ..........................................................206
Cleaning the leather upholstery ...................... 206
Leather upholstery treatment ......................... 206
Carbon parts ................................................ 206
If the vehicle is laid up for long periods ............207
Battery conditioner socket ............................. 207
Restarting the vehicle .................................... 210
Re-connecting the battery .............................. 211
Radio-frequency remote control: Ministerial
homologation ..............................................211
Conversion table ..............................................212
Table of contents .................................... 215
Table of contents ..............................................216