2012 NISSAN FRONTIER vq40de

Your vehicle is equipped with a variable voltage
control system. This system measures the
amount of electrical discharge from the battery
and controls voltage generated by the generator.
The current sensor
Ais located near the battery
along the negative battery cable. If you add elec-
trical accessories to your vehicle, be sure to
ground them to a suitable body ground such as
the frame or engine block area.
1. Power steering fluid pump
2. Automatic belt tensioner
3. Cooling fan
4. Air conditioner compressor
5. Crankshaft pulley
6. Generator
WARNING
Be sure the ignition key is in the OFF or
LOCK position before servicing drive belt.
The engine could rotate unexpectedly. 1. Visually inspect the belt for signs of unusual
wear, cuts, fraying or looseness. If the belt is
in poor condition or is loose, have it replaced
or adjusted by a NISSAN dealer.
2. Have the belt checked regularly for condi- tion and tension in accordance with the
maintenance schedule found in the
“NISSAN Service and Maintenance Guide”.
VQ40DE
WDI0639
DRIVE BELT
8-18Maintenance and do-it-yourself

The air cleaner filter should not be cleaned and
reused. Replace it according to the maintenance
log shown in the “NISSAN Service and Mainte-
nance Guide.” When replacing the filter, wipe the
inside of the air cleaner filter housing and the
cover with a damp cloth.
To remove the VQ40DE air cleaner filter:
1Push down on the clips and remove the air
cleaner cover. Remove the air cleaner filter. To remove the QR25DE air cleaner filter:
1. Unlatch the clips
A,B,C.
2. Push down half of air cleaner to clear the bottom retainers.
3. Lift up on half of air cleaner to remove the air cleaner filter
WARNING
●Operating the engine with the air
cleaner removed can cause you or oth-
ers to be burned. The air cleaner not
only cleans the air, it stops the 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.
IN-CABIN MICROFILTER (if so
equipped)
The in-cabin microfilter restricts the entry of air-
borne dust and pollen particles and reduces
some objectionable outside odors. The filter is
located behind the glove box. Refer to the
“NISSAN Service and Maintenance Guide” for
change intervals.
To replace the filter, perform the following proce-
dure:
VQ40DE
WDI0686
QR25DE
LDI0465
AIR CLEANER
8-20Maintenance and do-it-yourself

The following are approximate capacities. The actual refill capacities may be a little different. When refilling, follow the procedure
described in the “Maintenance and do-it-yourself” section to determine the proper refill capacity.
Capacity (Approximate)Recommended Fluids and Lubricants
US measure Imp measure Liter
Fuel 21-1/8gal 17-5/8 gal 80See “Fuel recommendation” later in this section.
Engine oil *7 Drain and RefillWith oil filter change
QR25DE4-7/8 qt 4 qt
4.6
Engine oil with API Certification Mark *1
Viscosity SAE 5W-30
Without oil filter
change
4-1/2 qt 3-3/4 qt 4.3
With oil filter change VQ40DE5-3/8 qt 4-1/2 qt 5.1
Without oil filter
change 5-1/8 qt 4-1/4 qt 4.8
Cooling system With reservoir QR25DE 2-1/2 gal 2-1/8 gal 9.4 Pre-diluted Genuine NISSAN Long Life Antifreeze/Coolant (blue) or
equivalent
VQ40DE 2-3/4 gal 2-1/4 gal 10.2
Manual transmission gear oil 5M/T
3-1/8 qt 2-1/2 qt 2.9 Genuine NISSAN Manual Transmission Fluid (MTF) HQ Multi
75W-85 or API GL-4, Viscosity SAE 75W-85
6 M/T 4X2 4-1/4 qt 3-1/2 qt 4.0
6 M/T 4X4 4-1/2 qt 3-3/4 qt 4.2
Automatic transmission fluid Refill to the proper level according to the instruc-
tions in the “Maintenance and do-it-yourself” section. Genuine NISSAN Matic S ATF *2
Power steering fluid (PSF) Genuine NISSAN PSF or equivalent.*3
Brake and clutch fluid Genuine NISSAN Super Heavy Duty Brake Fluid *4 or equivalent
DOT 3
Multi-purpose grease ———NLG IN o.2 (L it h iu m Soap base)
Air conditioning system refrigerant ———HFC-134a (R-134a) *5
CAPACITIES AND RECOMMENDED
FUEL/LUBRICANTS
9-2Technical and consumer information

ENGINE
ModelQR25DE VQ40DE
Type Gasoline, 4-cycle, DOHC Gasoline, 4-cycle, DOHC
Cylinder arrangement 4-cylinder in-line6-cylinder, V-block, Slanted at 60°
Bore x Stroke in (mm) 3.5 x 3.9 (89.0 x 100.0)3.760 x 3.622 (95.5 x 92)
Displacement cu in (cm
3) 151.82 (2,488)241.30 (3,954)
Firing order 1–3–4–21–2–3–4–5–6
Idle speed
M/T
A/T (in “N” position) See the “Emission control information label” on the underside of the hood.
Ignition timing (degree B.T.D.C. at idle
speed)
CO%atidle
Spark plug Standard PLZKAR6A-11DILFR5A-11
Spark plug gap (Nominal) in (mm) 0.043 (1.1)0.043 (1.1)
Camshaft operation Timing chainTiming chain
This spark ignition system complies with the Canadian standard ICES-002.
SPECIFICATIONS
9-8Technical and consumer information

ENGINE SERIAL NUMBER
The number is stamped on the engine as shown.
F.M.V.S.S./C.M.V.S.S.
CERTIFICATION LABEL
The Federal/Canadian Motor Vehicle Safety
Standard (F.M.V.S.S./C.M.V.S.S.) certification la-
bel is affixed as shown. This label contains valu-
able vehicle information, such as: Gross Vehicle
Weight Ratings (GVWR) , Gross Axle Weight
Rating (GAWR) , month and year of manufacture,
Vehicle Identification Number (VIN) , etc. Review
it carefully.
QR25DE engine
LTI0130
VQ40DE engine
LTI0127LTI0136
Technical and consumer information9-11