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Mazda B4000 Truck (2007 year). Manual - part 15

3. Block the wheels.

Working with the engine on

• Automatic transmission:

1. Set the parking brake and shift to P (Park).

2. Block the wheels.

• Manual transmission:

1. Set the parking brake, depress the clutch and place the gearshift in

N (Neutral).

2. Block the wheels.

WARNING: To reduce the risk of vehicle damage and/or
personal burn injuries do not start your engine with the air
cleaner removed and do not remove it while the engine is
running.

OPENING THE HOOD

1. Inside the vehicle, pull the hood

release handle located under
the bottom of the instrument
panel near the steering column.

2. Go to the front of the vehicle

and release the auxiliary latch
that is located under the front
center of the hood.

3. Lift the hood and support it

with the prop rod.

CIMS #83511

com_working_on.05

itdseq=267

CIMS #555081 com_hood-title

itdseq=268

CIMS #80404

com_hood_open.03

itdseq=269

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Maintenance and Specifications

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IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT

2.3L I4 engine

1. Windshield washer fluid reservoir

2. Engine coolant reservoir

3. Engine oil dipstick

4. Transmission fluid dipstick (automatic transmission)

5. Engine oil filler cap

6. Brake fluid reservoir

7. Power distribution box

8. Clutch fluid reservoir (manual transmission)

9. Battery

10. Power steering fluid reservoir

11. Air filter assembly

CIMS #71972

com_engine-comp

itdseq=270

CIMS #528617 com_2.3L-mbs

itdseq=271

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3.0L V6 engine

1. Engine coolant reservoir

2. Windshield washer fluid reservoir

3. Engine oil filler cap

4. Transmission fluid dipstick (automatic transmission)

5. Engine oil dipstick

6. Brake fluid reservoir

7. Power distribution box

8. Clutch fluid reservoir (manual transmission)

9. Battery

10. Power steering fluid reservoir

11. Air filter assembly

CIMS #689982 com_3.0L-mbs

itdseq=272

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231

4.0L SOHC V6 engine

1. Windshield washer fluid reservoir

2. Transmission fluid dipstick (automatic transmission)

3. Engine oil filler cap

4. Engine oil dipstick

5. Brake fluid reservoir

6. Power distribution box

7. Clutch fluid reservoir (manual transmission)

8. Battery

9. Power steering fluid reservoir

10. Air filter assembly

11. Engine coolant reservoir

CIMS #713068

com_4.0L-sohc.mbs

itdseq=273

art=expmc101_m

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232

WINDSHIELD WASHER FLUID

Add fluid to fill the reservoir if the
level is low. In very cold weather, do
not fill the reservoir completely.

Only use a washer fluid that meets Mazda specification . Do not use any
special washer fluid such as windshield water repellent type fluid or bug
wash. They may cause squeaking, chatter noise, streaking and smearing.
Refer to Refill capacities in this chapter.

State or local regulations on volatile organic compounds may restrict the
use of methanol, a common windshield washer antifreeze additive.
Washer fluids containing non-methanol antifreeze agents should be used
only if they provide cold weather protection without damaging the
vehicle’s paint finish, wiper blades or washer system.

WARNING: If you operate your vehicle in temperatures below
40° F (4.5°C), use washer fluid with antifreeze protection.
Failure to use washer fluid with antifreeze protection in cold
weather could result in impaired windshield vision and increase
the risk of injury or accident.

Note: Do not put washer fluid in the engine coolant reservoir. Washer
fluid placed in the cooling system may harm engine and cooling system
components.

WINDSHIELD WIPER BLADES

If the wiper blades do not wipe properly, clean both the windshield and
wiper blades using undiluted windshield wiper solution or a mild
detergent. Rinse thoroughly with clean water. To avoid damaging the
blades, do not use fuel, kerosene, paint thinner or other solvents.

ASHER FLU

N LY

RADIATOR

COOLANT

ONLY

CIMS #232781

com_windshield_fluid

itdseq=274

CIMS #918793

com_wash_fluid.mbs

itdseq=275

CIMS #1123866

com_check_wipers.mbs

itdseq=276

art=ranmc301_b

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Maintenance and Specifications

233

Check the wiper blades for wear at least twice a year or when they seem
less effective. Substances such as tree sap and some hot wax treatments
used by commercial car washes reduce the effectiveness of wiper blades.

Changing the wiper blades

1. Pull the wiper arm away from

the vehicle. Turn the blade at an
angle from the wiper arm. Push
the lock pin manually to release
the blade and pull the wiper
blade down toward the
windshield to remove it from
the arm.

2. Attach the new wiper to the

wiper arm and press it into
place until a click is heard.

Replace wiper blades at least once per year for optimum performance.

Poor wiper quality can be improved by cleaning the wiper blades and the
windshield, refer to Windows and wiper blades in the Cleaning
chapter.

To prolong the life of the wiper blades, it is highly recommended to
scrape off the ice on the windshield before turning on the wipers. The
layer of ice has many sharp edges and can damage the micro edge of the
wiper rubber element.

ENGINE OIL

Checking the engine oil

Refer to scheduled maintenance for the appropriate intervals for
checking the engine oil.

1. Make sure the vehicle is on level ground.

2. Turn the engine off and wait a few minutes for the oil to drain into

the oil pan.

3. Set the parking brake and ensure the gearshift is securely latched in

P (Park) (automatic transmission) or 1 (First) (manual
transmission).

4. Open the hood. Protect yourself from engine heat.

5. Locate and carefully remove the engine oil level indicator (dipstick).

CIMS #959871

com_chnge_blades.fly

itdseq=277

CIMS #52549

com_oil

itdseq=278

CIMS #1127536

com_chk-oil.maztrk

itdseq=279

art=dnomc009_a

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Maintenance and Specifications

234

• 2.3L I4 engine

• 3.0L V6 engine

MAX

MIN

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Maintenance and Specifications

235

• 4.0L SOHC V6 engine

6. Wipe the indicator clean. Insert the indicator fully, then remove it

again.

• If the oil level is between the two holes or between the MIN and

MAX marks (depending on application), the oil level is acceptable,
DO NOT ADD OIL.

• If the oil level is below the lower hole or the MIN mark, add enough

oil to raise the level between the two holes or between the MIN-MAX
range.

• 2.3L I4 engine

SAE 5W-20

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• 3.0L V6 engine

SAE 5W-20

• 4.0L SOHC V6 engine

SAE 5W-30

• Oil levels above the MAX mark or upper hole may cause engine

damage. Some oil must be removed from the engine by an authorized
dealer.

7. Put the indicator back in and ensure it is fully seated.

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Maintenance and Specifications

237

Adding engine oil

1. Check the engine oil. For instructions, refer to Checking the engine

oil in this chapter.

2. If the engine oil level is not within the normal range, add only

certified engine oil of the recommended viscosity. Remove the engine
oil filler cap and use a funnel to pour the engine oil into the opening.

3. Recheck the engine oil level. Make sure the oil level is within the

normal range on the engine oil level indicator (dipstick).

4. Install the indicator and ensure it is fully seated.

5. Fully install the engine oil filler cap by turning the filler cap 1/4 turn

until it stops.

To avoid possible oil loss, DO NOT operate the vehicle with the
engine oil level indicator and/or the engine oil filler cap removed.

Engine Oil Recommendations

2.3L & 3.0L Engines

Look for this certification
trademark.

SAE 5W-20 engine oil is recommended.

Only use oils “Certified For Gasoline Engines” by the American
Petroleum Institute (API). An oil with this trademark symbol conforms
to the current engine and emission system protection standards and fuel
economy requirements of the International Lubricant Standardization and
Approval Committee (ILSAC), comprised of U.S. and Japanese
automobile manufacturers. Use an equivalent oil Mazda specification.
SAE 5W-20 oil provides optimum fuel economy and durability
performance meeting all requirements for your vehicle’s engine.

CIMS #1286226

com_add-oil.qtr-turn

itdseq=280

CIMS #689983

com_oil-rec.5w20.mbs

itdseq=281

art=expii004_a

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Maintenance and Specifications

238

Change your engine oil and filter according to the appropriate schedule
listed in scheduled maintenance.

Do not use supplemental engine oil additives, oil treatments or engine
treatments. They are unnecessary and could, under certain conditions,
lead to engine damage which is not covered by your warranty.

4.0L Engine

Look for this certification
trademark.

SAE 5W-30 engine oil is recommended.

Change your engine oil according to the appropriate schedule listed in
scheduled maintenance.

Engine Oil Filter Recommendation

Change your engine oil filter according to the appropriate schedule listed
in scheduled maintenance. Mazda production and aftermarket (Mazda)
oil filters are designed for added engine protection and long life. If a
replacement oil filter is used that does not meet Mazda Material and
design specifications, start-up engine noises or knock may be
experienced.

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Maintenance and Specifications

239

It is recommended you use the appropriate Mazda oil filter (or another
brand meeting Mazda specifications) for your engine.

BATTERY

Your vehicle is equipped with a
Mazda maintenance-free battery
which normally does not require
additional water during its life of
service.

If your battery has a cover/shield, make sure it is reinstalled
after the battery has been cleaned or replaced.

For longer, trouble-free operation, keep the top of the battery clean and
dry. Also, make certain the battery cables are always tightly fastened to
the battery terminals.

If you see any corrosion on the battery or terminals, remove the cables
from the terminals and clean with a wire brush. You can neutralize the
acid with a solution of baking soda and water.

Note: Electrical or electronic accessories or components added to
the vehicle by the dealer or the owner may adversely affect
battery performance and durability.

It is recommended that the negative battery cable terminal be
disconnected from the battery if you plan to store your vehicle for an
extended period of time. This will minimize the discharge of your battery
during storage.

WARNING: Batteries normally produce explosive gases which
can cause personal injury. Therefore, do not allow flames,
sparks or lighted substances to come near the battery. When
working near the battery, always shield your face and protect
your eyes. Always provide proper ventilation.

CIMS #918794

com_battery.mbs

itdseq=282

art=ranmc105_b

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Maintenance and Specifications

240

WARNING: When lifting a plastic-cased battery, excessive
pressure on the end walls could cause acid to flow through the
vent caps, resulting in personal injury and/or damage to the
vehicle or battery. Lift the battery with a battery carrier or with
your hands on opposite corners.

WARNING: Keep batteries out of reach of children. Batteries
contain sulfuric acid. Avoid contact with skin, eyes or clothing.
Shield your eyes when working near the battery to protect
against possible splashing of acid solution. In case of acid
contact with skin or eyes, flush immediately with water for a
minimum of 15 minutes and get prompt medical attention. If
acid is swallowed, call a physician immediately.

WARNING: Battery posts, terminals and related accessories
contain lead and lead compounds. Wash hands after handling.

Because your vehicle’s engine is electronically controlled by a computer,
some control conditions are maintained by power from the battery. When
the battery is disconnected or a new battery is installed, the engine must
relearn its idle and fuel trim strategy for optimum driveability and
performance. To begin this process:

1. With the vehicle at a complete stop, set the parking brake.

2. Put the gearshift lever in P (Park), turn off all accessories and start

the engine.

3. Run the engine until it reaches normal operating temperature.

4. Allow the engine to idle for at least one minute.

5. Turn the A/C on and allow the engine to idle for at least one minute.

6. Drive the vehicle to complete the relearning process.

• The vehicle may need to be driven to relearn the idle and fuel trim

strategy.

• If you do not allow the engine to relearn its idle trim, the idle

quality of your vehicle may be adversely affected until the idle
trim is eventually relearned.

When the battery is disconnected or a new battery installed, the
transmission must relearn its adaptive strategy. As a result of this, the
transmission may shift firmly. This operation is considered normal and

CIMS #72063 com_relearn.03

itdseq=283

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Maintenance and Specifications

241

will not affect function or durability of the transmission. Over time the
adaptive learning process will fully update transmission operation to its
optimum shift feel.

If the battery has been disconnected or a new battery has been installed,
the clock and the preset radio stations must be reset once the battery is
reconnected.
• Always dispose of automotive

batteries in a responsible manner.
Follow your local authorized
standards for disposal. Call your
local authorized recycling center
to find out more about recycling
automotive batteries.

ENGINE COOLANT

Checking engine coolant

Your engine’s cooling system has been factory-filled with a 50/50 mixture
of distilled water and Mazda Genuine Engine Coolant, or an equivalent
premium engine coolant that meets Mazda specification.

A 50/50 mixture of distilled water and Mazda Genuine Engine Coolant
provides:
• maximum cooling system efficiency.
• freeze protection down to -34°F (-36°C).
• boiling protection up to 265°F (129°C).
• protection against rust and other forms of corrosion.
• an accurate temperature readout from the engine coolant

gauge.

The engine coolant must be maintained at the correct fluid level
and concentration to work properly. If the engine coolant fluid
level and concentration is not maintained correctly, damage to
the engine and cooling system may result.

LEAD

RETURN

RECYCLE

CIMS #510581 com_cool.title

itdseq=284

CIMS #689984

com_check-add-cool.mbs

itdseq=285

art=dewmc111_a

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• 2.3L engine

• 3.0L & 4.0L engines

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Maintenance and Specifications

243

When the engine is cold, check the level of the engine coolant in the
reservoir.
• The engine coolant should be at the “cold fill level” or within the “cold

fill range” as listed on the engine coolant reservoir (depending upon
application).

• Confirm the color and type of engine coolant before adding, to avoid

mixing incompatible products.

• Refer to scheduled maintenance for service interval schedules.
• Be sure to read and understand Precautions when servicing your

vehicle in this chapter.

If the engine coolant has not been checked at the recommended interval,
the engine coolant reservoir may become low or empty. If the reservoir is
low or empty, add engine coolant to the reservoir. Refer to Adding
engine coolant in this chapter.

WARNING: Automotive fluids are not interchangeable; do not
use engine coolant, antifreeze or windshield washer fluid
outside of its specified function and vehicle location.

Adding engine coolant

Use only Mazda Genuine Engine Coolant or a premium engine
coolant that meets a Mazda specification.
• DO NOT USE Extended Life Engine Coolant (orange in color).
• DO NOT USE a DEX-COOLt engine coolant or an equivalent

engine coolant.

• DO NOT USE alcohol or methanol antifreeze or any engine

coolants mixed with alcohol or methanol antifreeze.

• DO NOT USE supplemental coolant additives in your vehicle.

These additives may harm your engine’s cooling system.

• DO NOT MIX different colors or types of coolant in your

vehicle. Make sure the correct coolant is used.

• DO NOT MIX recycled coolant and conventional coolant

together in your vehicle. Mixing of engine coolants may harm
your engine’s cooling system.

• The use of an improper coolant may harm engine and cooling

system components and may void the warranty of your vehicle’s
engine cooling system. If you are unsure which type of coolant
your vehicle requires, contact your local authorized dealer.

CIMS #691521

com_adding-coolant.mbs

itdseq=286

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Maintenance and Specifications

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