QR25DE engine
1. Windshield washer fluid reservoir
2. Fuse/Fusible link box
3. Air cleaner
4. Engine oil filler cap
5. Engine oil dipstick
6. Brake fluid reservoir/Clutch fluid reser-
voir (M/T model)
7. Drive belt location
8. Radiator cap
9. Power steering fluid reservoir
10. Battery
11. Engine coolant reservoir
NOTE:
Engine cover removed for clarity.
WDI0506
ENGINE COMPARTMENT CHECK
LOCATIONS
8-6Maintenance and do-it-yourself
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
VQ40DE engine
1. Windshield washer fluid reservoir
2. Battery
3. Fuse/fusible link box
4. Engine oil filler cap
5. Engine oil dipstick
6. Brake fluid reservoir
7. Air cleaner
8. Drive belt location
9. Radiator cap
10. Power steering fluid reservoir
11. Engine coolant reservoir
NOTE:
Engine cover removed for clarity.
WDI0507
Maintenance and do-it-yourself8-7
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
If the cooling system frequently requires
coolant, have it checked by a NISSAN
dealer.
CHANGING ENGINE COOLANT
A NISSAN dealer can change the engine coolant.
The service procedure can be found in the
NISSAN Service Manual.
Improper servicing can result in reduced
heater performance and engine overheat-
ing.
WARNING
cTo avoid the danger of being scalded,
never change the coolant when the en-
gine is hot.
cNever remove the radiator or engine
coolant reservoir cap when the engine
is hot. Serious burns could be caused
by high pressure fluid escaping from
the radiator.
cAvoid direct skin contact with used
coolant. If skin contact is made, wash
thoroughly with soap or hand cleaner
as soon as possible.
cKeep coolant out of the reach of chil-
dren and pets.
Engine coolant must be disposed of properly.
Check your local regulations.
CHECKING ENGINE OIL LEVEL
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature.
3. Turn off the engine.Wait more than 10
minutes for the oil to drain back into
the oil pan.
4. Remove the dipstick and wipe it clean. Re-
insert it all the way.
Type B
LDI0466
Type A
LDI0437
ENGINE OIL
Maintenance and do-it-yourself8-9
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
5. Remove the dipstick again and check the oil
level. It should be between the H (High) and
L (Low) marks
sB. This is the normal oper-
ating oil level range. If the oil level is below
the L (Low) mark
sA, remove the oil filler cap
and pour recommended oil through the
opening.Do not overfill
sC.
6. Recheck oil level with the dipstick.
It is normal to add some oil between oil
maintenance intervals or during the
break-in period, depending on the severity
of operating conditions.
CAUTION
Oil level should be checked regularly. Op-
erating the engine with an insufficient
amount of oil can damage the engine, and
such damage is not covered by warranty.CHANGING ENGINE OIL
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature, then turn it off.
3. Remove the oil filler cap
sAby turning it
counterclockwise.
4. Place a large drain pan under the drain plug.
5. Remove the drain plug
sBwith a wrench by
turning it counterclockwise and completely
drain the oil.
Type B
LDI0467LDI0371
VQ40DE
WDI0500
8-10Maintenance and do-it-yourself
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
If the oil filter is to be changed, remove and
replace it at this time. See “Changing engine
oil filter” later in this section.
WARNING
cProlonged and repeated contact with
used engine oil may cause skin cancer.
cTry to avoid direct skin contact with
used oil. If skin contact is made, wash
thoroughly with soap or hand cleaner
as soon as possible.
cKeep used engine oil out of reach of
children.
CAUTION
Be careful not to burn yourself. The engine
oil may be hot.
cWaste oil must be disposed of prop-
erly.
cCheck your local regulations.
6. Clean and reinstall the drain plug and a new
washer. Securely tighten the drain plug with
a wrench. Do not use excessive force.
Drain plug tightening torque:
22 - 29 ft-lb (29 - 39 N·m)
7. Refill engine with recommended oil through
the oil filler opening, then install the oil filler
cap securely.
See “Capacities and recommended
fuel/lubricants” in the “Technical and con-
sumer information” section of this manual for
drain and refill capacity.
The drain and refill capacity depends on the
oil temperature and drain time. Use these
specifications for reference only. Always use
the dipstick to determine when the proper
amount of oil is in the engine.
8. Start the engine. Check for leakage around
the drain plug and oil filter. Correct as re-
quired.9. Turn the engine off and wait more than 10
minutes. Check the oil level with the dipstick.
Add engine oil if necessary.
QR25DE
WDI0501
Maintenance and do-it-yourself8-11
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
CHANGING ENGINE OIL FILTER
1. Park the vehicle on a level surface and apply
the parking brake.
2. Turn the engine off.
3. Place a large drain pan under the oil filter.
4. Unscrew the plate covering the oil filter ex-
posing the filter. (For VQ40DE engine only)
5. Loosen the oil filter
sAwith an oil filter
wrench by turning it counterclockwise. Then
remove the oil filter by turning it by hand.
CAUTION
Be careful not to burn yourself. The engine
oil may be hot.
6. Wipe the engine oil filter sealing surface with
a clean rag.
Be sure to remove any old gasket material
remaining on the sealing surface of the en-
gine.
7. Coat the gasket on the new filter with clean
engine oil.8. Screw on the oil filter until a slight resistance
is felt, then tighten an additional 2/3 turn.
9. Start the engine and check for leakage
around the oil filter. Correct as required.
10. Turn the engine off and wait more than 10
minutes. Check the oil level. Add engine oil if
necessary.
VQ40DE
WDI0502
QR25DE
WDI0503
8-12Maintenance and do-it-yourself
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
9 Technical and consumer information
Capacities and recommended fuel/lubricants.........9-2
Fuel recommendation...........................9-3
Engine oil and oil filter recommendation...........9-5
Recommended SAE viscosity number............9-6
Air conditioner system refrigerant and oil
recommendations..............................9-6
Specifications.....................................9-7
Engine........................................9-7
Wheels and tires...............................9-8
Dimensions and weights........................9-8
When traveling or registering your vehicle in
another country...................................9-9
Vehicle identification...............................9-9
Vehicle identification number (VIN) plate..........9-9
Vehicle identification number (chassis number).......9-9
Engine serial number...........................9-10
F.M.V.S.S./C.M.V.S.S. certification label..........9-10
Emission control information label...............9-11
Tire and loading information label................9-11
Air conditioner specification label................9-11
Installing front license plate........................9-12
Vehicle loading information........................9-12
Terms........................................9-12Vehicle load capacity..........................9-13
Securing the load..............................9-15
Utili-track™ channel system (if so equipped)......9-16
Loading tips..................................9-21
Truck-camper loading information..................9-22
Crew Cab Models.............................9-22
King Cab models..............................9-22
Special Body vehicles..........................9-22
Location for center of gravity....................9-22
Vehicle load weight capacity....................9-23
Measurement of weights.......................9-25
Towing a trailer...................................9-25
Maximum load limits...........................9-25
Towing load/specification.......................9-29
Towing safety.................................9-30
Flat towing....................................9-35
Uniform tire quality grading........................9-36
Emission control system warranty..................9-37
Reporting safety defects (US only).................9-37
Readiness for inspection/maintenance (I/M) test.....9-38
Event data recorders..............................9-39
Owner’s Manual/Service Manual order information . . . 9-39
In the event of a collision.......................9-39
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X
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 80 Unleaded gasoline with an octane rating of at least 87 AKI (RON 91)*1
Engine oil *8
Drain and Refill
With oil filter change
QR25DE5-1/8 qt 4-3/8 qt 4.9 • API Certification Mark *2 *3
• API grade SG/SH, Energy ConservingI&IIorAPIgrade SJ or SL, Energy Conserving *2 *3
• ILSAC grade GF-I, GF-II, or GF-III*2 *3 Without oil filter change 4-7/8 qt 4 qt 4.6
With oil filter change
VQ40DE5-3/8 qt 4-1/2 qt 5.1 • API Certification Mark *2 *3
• API grade SL, Energy Conserving *2 *3
• ILSAC grade GF-III*2 *3 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
50% Genuine NISSAN Long Life Antifreeze/Coolant or equivalent
50% Demineralized or distilled water
VQ40DE 2-3/4 gal 2-1/4 gal 10.2
Manual transmission gear oil5M/T 3 qt 2-1/2 qt 2.89 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 3.98 Genuine NISSAN Manual Transmission Fluid (MTF) HQ Multi 75W-85 or API GL-4, Viscosity SAE 75W-85 or 75W-90
6 M/T 4X4 4-3/8 qt 3-5/8 qt 4.18
Automatic transmission fluid Refill to the proper level according to the
instructions in the “Maintenance and do-it-
yourself” section.Genuine NISSAN Matic J ATF *4
Power steering fluid (PSF)Genuine NISSAN PSF or equivalent.*5
Brake and clutch fluidGenuine NISSAN Super Heavy Duty Brake Fluid*6 or equivalent DOT 3
Multi-purpose grease———NLGINo.2(Lithium Soap base)
Air conditioning system refrigerant— — — HFC-134a (R-134a)*7
Air conditioning system oil— — — NISSAN A/C System Oil Type R or equivalent*7
Transfer fluid— — — Genuine NISSAN Matic D ATF (Continental U.S. and Alaska) or Canada NISSAN Automatic Transmission Fluid*5, *10
Front final drive oil— — — API GL-5 SAE 80W-90 Gear Oil *9, *10
Rear final drive oil (except 6 speed MT and O/R vehicles)— — — API GL-5 Synthetic 75W-90 Gear Oil, *10
Rear final drive oil 6 speed MT and O/R vehicles only— — — API GL-5 Synthetic 75W-140 Gear Oil, *10
Windshield washer fluid 1-1/4 gal 1 gal 4.5 Genuine NISSAN Windshield Washer Concentrate Cleaner & Antifreeze fluid or equivalent
*1: For further details, see “Fuel recommendation.”
*2: For further details, see “Engine oil and oil filter recommendations.”
*3: For further details, see “Recommended SAE engine oil viscosity.”
*4: Using automatic transmission fluid other than Genuine NISSAN Matic J ATF will cause deterioration in driveability and automatic transmission durability, and may damage the automatic transmission, which is not covered by the
NISSAN new vehicle limited warranty.
*5: For Canada, NISSAN Automatic Transmission Fluid (ATF) , DEXRON™ III/MERCON™, or equivalent ATF may also be used.
*6: Available in mainland USA through your NISSAN dealer.
*7: For further details, see “Air conditioner specification label.”
*8: For further details, see “Changing engine oil.”
*9: For hot climates, viscosity SAE 90 is suitable for ambient temperatures above 0°C (32°F) .
*10: See your NISSAN dealer for service.
CAPACITIES AND RECOMMENDED
FUEL/LUBRICANTS
9-2Technical and consumer information
ZREVIEW COPYÐ2006 Truck/Frontier(d22)
Owners ManualÐUSA_English(nna)
10/17/05Ðdebbie
X