2013 INFINITI G COUPE Owner's Manual

8-20Maintenance and do-it-yourself
SDI2119
VQ37VHR engine
1. Power steering fluid pump
2. Alternator
3. Crankshaft pulley
4. Air conditioner compressor
5. Drive belt auto-tensioner
WARNING
Be sure the ignition switch is in the OFF or
LOCK position before servicing drive belts.
The engine could rotate unexpectedly.
1. Visually inspect each belt for signs of
unusual wear, cuts, fraying or loosen- ess. If the belt is in poor condition or
loose, have it replaced or adjusted by
an INFINITI retailer.
2. Have the belts checked regularly for condition and tension in accordance
with the maintenance schedule in your
“INFINITI Service and Maintenance
Guide”.
GUID-B889B2DB-0702-4E25-998D-9EFCEB6380ED
WARNING
Be sure the engine and the ignition switch
are off and that the parking brake is
engaged securely.
CAUTION
Be sure to use the correct socket to remove
the spark plugs. An incorrect socket can
damage the spark plugs.
SPARK PLUGS

SDI2020
REPLACING SPARK PLUGSGUID-89AEBA13-D3D8-4D70-90D6-4674BC5CE9C3
SDI2033
Remove the retainers*1as illustrated and
pull out the filter element
*2.
The filter element should not be cleaned
and reused. Replace it according to the
maintenance intervals. See “INFINITI Ser-
vice and Maintenance Guide” for mainte-
nance intervals. When replacing the filter,
Maintenance and do-it-yourself8-21
AIR CLEANER

8-22Maintenance and do-it-yourself
WARNING
.Operating the engine with the air
cleaner removed can cause you or others
to be burned. The air cleaner not only
cleans the air, it stops flame if the
engine backfires. If it isn’t there, and the
engine backfires, you could be burned.
Do not drive with the air cleaner
removed, and be careful when working
on the engine with the air cleaner
removed.
. Never pour fuel into the throttle body or
attempt to start the engine with the air
cleaner removed. Doing so could result
in serious injury.
GUID-A955C9CB-68EE-4F40-BDE3-B34F06DBBB5F

SDI2048
REPLACINGGUID-A30ECE65-328D-496B-A5F2-872EA27D63AACAUTION
.After wiper blade replacement, return
the wiper arm to its original position;
otherwise it may be damaged when the
hood is opened.
. Make sure the wiper blades contact the
glass; otherwise the arm may be da-
maged from wind pressure.
SDI2362
Be careful not to clog the washer nozzle
*A. This may cause improper windshield
washer operation. If the nozzle is clogged,
remove any objects with a needle or small
pin
*B. Be careful not to damage the
nozzle.
Maintenance and do-it-yourself8-23

8-24Maintenance and do-it-yourself
GUID-32FB5E6D-5B48-42A8-9F60-83E657B04471
WARNING
See an INFINITI retailer for a brake system
check if the brake pedal height does not
return to normal.
BRAKE PAD WEAR WARNINGGUID-0D7DECB1-F0F3-4C66-A768-32FE17341FFF
SDI1479A
ENGINE COMPARTMENTGUID-1BD473A4-2C19-4D87-ADC3-1791751AF8EF
CAUTION
Never use a fuse of a higher or lower
amperage rating than that specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not
operate, check for an open fuse.
1. Be sure the ignition switch is pushed tothe OFF or LOCK position and the
headlight switch is turned to OFF.
BRAKES FUSES

2. Open the engine hood and remove thecover on the battery and the fuse/
fusible link holder.
3. Remove the fuse/fusible link holder
cover.
4. Remove the fuse with the fuse puller.
SDI1754
5. If the fuse is open*A, replace it with a
new fuse
*B. Spare fuses are stored in
the passenger compartment fuse box.
6. If a new fuse also opens, have the electrical system checked and repaired
by an INFINITI retailer.
Fusible linksGUID-E9133FFB-99A7-4084-8BC3-32BBC0B20EAC

8-26Maintenance and do-it-yourself
SDI2034
PASSENGER COMPARTMENTGUID-B150D9E0-F345-4BB5-BF72-57CEBE3509C0
CAUTION
Never use a fuse of a higher or lower
amperage rating than that specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not
operate, check for an open fuse.
1. Be sure the ignition switch is pushed tothe OFF or LOCK position and the
headlight switch is turned to OFF. 2. Open the fuse box lid.
3. Remove the fuse with the fuse puller
*A.
4. If the fuse is open, replace it with a new fuse.
5. If a new fuse also opens, have the electrical system checked and repaired
by an INFINITI retailer. Spare fuses are
stored in the fuse box.
SDI2704
Extended storage switch (if
equipped)
GUID-686D0C65-BB54-46EA-AAE5-01212C2311DD

CAUTION
Be careful not to allow children to swallow
the battery and removed parts.
SDI1834
Replace the battery as follows:
1. Release the lock knob at the back of theIntelligent Key and remove the mechan-
ical key.
2. Insert a flat-blade screwdriver
*Awrapped with a cloth into the slit*Bof the corner and twist it to separate
the upper part from the lower part.
Maintenance and do-it-yourself8-27
INTELLIGENT KEY BATTERY REPLACEMENT