2004 MAZDA MODEL B2300 TRUCK brake

Maintenance ItemMaintenance Interval (Number of months or Miles (km),
whichever comes first)
Months 52 56 60 64 68 72 76 80 84 88 92 96
x 1000 miles 65 70 75 80 85 90 95 100 105 110 115 120
(x 1000 km) (104) (112) (121) (128) (136) (144) (152) (160) (168) (176) (184) (192)
Disc brake systemIIII
Caliper slide railsLLLL
Drum brake system, lines
and hosesIIII
Exhaust system for leaks,
damage, loosenessII
Manual transmission fluid R
Automatic
transmission
fluid*2 I I
Exhaust system shielding
(for trapped material)II
Propeller shaft U-joints (if
equipped with grease
fittings)LLLLLL
Parking brake system (for
damage and operation)IIII
Ball joints (4x2) I/L I/L I/L I/L
Transfer case fluid (4x4) Replace every 150,000 miles (240,000 km)
Rear axle lubricant Does not require replacement unless rear axle submerged in
water
Accessory drive belts I
Fuel filter *5 R R
Steering linkage, ball
joints, suspension and
driveshaftIIII
*1 The wheel lug nuts must be retightened to the proper specifications
at 800 km (500 miles) of new vehicle operation, at any wheel change, or
at any other time the wheel lug nuts have been loosened.
*2 Replace every 150,000 miles (240,000 km) unless submerged in water.
*3 At 60,000 miles (96,000 km), the dealer will replace the PCV valve at
no cost, except Canada and California vehicles.
Maintenance and Specifications
184

Special Operating
Conditions
Replace Engine Oil and Filter
Inspect Brake System
Replace Fuel Filter
Change Automatic Transmission Fluid
Replace Spark Plugs
Replace Engine Air Filter
Change Manual Transmission Fluid
Inspect and Lubricate U-Joints
Lubricate Front Wheel Bearing (4x2)
Change Transfer Case Fluid (4x4)
Suggested Maintenance
Interval3,000
miles
or 3
months5,000
miles15,000
miles30,000
miles60,000
milesAs
requiredAs
requiredAs
required30,000
miles60,000
miles
Towing a trailer or
using a camper or
car top carrierXXXX
Extensive idling or
low-speed driving
for long distances
as in heavy
commercial use
such as delivery,
taxi or patrol carXXXXX XX
Operating in dusty
conditions such as
unpaved or dusty
roadsXXX X
Off road operation X X X
For specific recommendations see your authorized Mazda dealer or
qualified service professional.
Maintenance and Specifications
186

OWNER MAINTENANCE
Owner Maintenance Schedule
The owner or a qualified service technician should make these vehicle
inspections at the indicated intervals to ensure safe and dependable
operation.
Bring any problem to the attention of an Authorized Mazda Dealer or
qualified service technician as soon as possible.
While operating your vehicle
²Note any changes in the sound of the exhaust or any smell or exhaust
fumes in the vehicle.
²Check for vibrations in the steering wheel. Notice any increased
steering effort or looseness in the steering wheel, or change in the
straight ahead position.
²Notice if your vehicle constantly turns slightly or ªpullsº to one side
when traveling on a smooth, level road.
²When stopping, listen and check for strange sounds, pulling to one
side, increased brake pedal travel or ªhard to pushº brake pedal.
²If any slipping or changes in the operation of your transmission occur,
check the transmission fluid level.
²Check automatic transmission Park function.
²Check parking brake.
At least monthly
²Check function of all interior and exterior lights.
²Check tires for wear and proper air pressure.
²Check engine oil level.
²Check coolant level in the coolant reservoir.
²Check washer fluid level.
At least twice a year (for example, every spring and fall)
²Check power steering fluid level.
²Check clutch fluid level (if equipped).
²Check and clean body and door drain holes.
²Check and lubricate all hinges, latches, and outside locks.
²Check and lubricate door rubber weather strips.
²Check parking brake for proper operation.
Maintenance and Specifications
187

²Check lap/shoulder belts and seat latches for wear and function.
²Check air pressure in spare tire.
²Check windshield washer spray and wiper operation. Clean wiper
blades with clean cloth dampened with washer fluid.
²Check safety warning lamps (brake, ABS, air bag, safety belt) for
operation.
²Check cooling system fluid level and verify coolant specific gravity is
correct for summer or winter conditions.
²Check battery water level (non-maintenance free).
²Check battery connections and clean if necessary.
SERVICE RECOMMENDATIONS
To help you service your vehicle:
²We highlight do-it-yourself items in the engine compartment for easy
location.
²We provide a Scheduled Maintenance section which makes tracking
routine service easy.
If your vehicle requires professional service, your dealership can provide
necessary parts and service. Check your ªWarranty Informationº to find
out which parts and services are covered.
Use only recommended fuels, lubricants, fluids and service parts
conforming to specifications. Genuine Mazda parts are designed and built
to provide the best performance in your vehicle.
PRECAUTIONS WHEN SERVICING YOUR VEHICLE
²Do not work on a hot engine.
²Make sure that nothing gets caught in moving parts.
²Do not work on a vehicle with the engine running in an enclosed
space, unless you are sure you have enough ventilation.
²Keep all open flames and other lit material away from the battery and
all fuel related parts.
Maintenance and Specifications
188

Working with the engine off
²Automatic transmission:
1. Set the parking brake and shift to P (Park).
2. Turn off the engine and remove the key.
3. Block the wheels.
²Manual transmission:
1. Set the parking brake, depress the clutch and place the gearshift in 1
(First).
2. Turn off the engine and remove the key.
3. Block the wheels.
Working with the engine on
²Automatic transmission:
1. Set the parking brake and shift to P (Park).
2. Block the wheels.
²Manual transmission:
1. Set the parking brake, depress the clutch and place the gearshift in
N (Neutral).
2. Block the wheels.
Note: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.

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

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

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
Maintenance and Specifications
192