Page 189 of 256
IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT
2.3L I4 engine1. 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
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
189
Page 190 of 256
3.0L V6 engine1. 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
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
190
Page 191 of 256
4.0L SOHC V6 engine1. 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
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
191
Page 193 of 256
1. Make sure the vehicle is on level ground.
2. Turn the engine off and wait a few minutes for the oil to drain intothe 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).
• 2.3L I4 engine
MAX
MIN
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
193
Page 197 of 256

•4.0L SOHC V6 engine
SAE 5W-30
• Oil levels above the MAX mark may cause engine damage. Some oil
must be removed from the engine by a service technician.
7. Put the indicator back in and ensure it is fully seated.
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 not above the MAX mark or the letter F in FULL 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.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
197
Page 240 of 256
REFILL CAPACITIES
FluidMazda Part
NameApplication Capacity
Engine oil
(includes filter
change) Mazda SAE 5W-
20 Premium
Motor Oil2.3L engine 3.8L (4.0
quarts.)
3.0L V6 engines 4.3L (4.5 quarts)
Mazda SAE 5W-
30 Premium
Motor Oil 4.0L V6 engine 4.7L (5.0
quarts)
Brake fluid DOT 3 Brake FluidAll
Fill to line on
reservoir
6
Power steering
fluidMazda
MERCON
AT FAll
Fill to range on
dipstick
Transmission
fluid
1Mazda
MERCON AT F5-speed manual 2.65L (2.8
quarts)2
Mazda
MERCONV
AT F4x2 vehicles
with automatic
and 2.3L I4
engine9.4L (9.9
quarts)3
4x2 vehicles
with automatic
and 3.0L or 4.0L
engines9.5L (10.0
quarts)3
4x4 vehicles
with automatic
and 3.0L or 4.0L
9.8L (10.3
quarts)3
2004 Mazda B Series
(mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
240
Page 243 of 256

LUBRICANT SPECIFICATIONS
ItemMazda part name or equivalent
Front axle (4X4) SAE 80W-90 Premium Rear Axle
Lubricant
Rear axle SAE 80W-90 Premium Rear Axle
Lubricant
1
Brake fluid and clutch fluid (if
equipped)High Performance DOT 3 Motor
Vehicle Brake Fluid
4
Door weather strips
Silicone Lubricant
Engine coolant Mazda Premium Engine Coolant3
Engine oil 2.3L I4 and 3.0L V6
enginesSAE 5W-20 Motor Oil
Engine oil 4.0L V6 engines SAE 5W-30 Motor Oil
Hinges, door checks, latches,
striker plates, fuel filler door hinge
and seat tracks Multi-Purpose Grease
Transmission /steering/parking
brake linkages and pivots, brake
and clutch pedal shaft, clutch pilot
bearing and input shaft spline
(manual transmission). Premium Long-Life Grease
Power steering fluid, transfer case
fluid (4X4) and transmission fluid
(manual) MERCON
AT F
Automatic transmission (5R44E
and 5R55E) MERCONVATF
2
Windshield washer fluid
Ultra-clear Windshield Washer
Concentrate
1Add 118 ml (4 oz.) of Additive Friction Modifier meeting Mazda
specifications for complete refill of Traction-Lok axles. If submerged in
water, the rear axle lubricant should be changed.
2Ensure the correct automatic transmission fluid is used. Transmission
fluid requirements are indicated on the dipstick or on the dipstick
handle. MERCON and MERCONV are not interchangeable. DO NOT
mix MERCON and MERCONV. Refer to your service maintenance
section to determine the correct service interval.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Maintenance and Specifications
243
Page 249 of 256

Cleaning your vehicleengine compartment ..............174
exterior ............................174, 178
exterior lamps .........................176
instrument cluster lens ..........177
instrument panel ....................177
interior .....................................177
Mazda car care products .......178
mirrors .....................................176
plastic parts ............................176
washing ....................................173
waxing .....................................173
wheels ......................................174
windows ..................................178
wiper blades ............................176
Clock adjust AM/FM Stereo ...........................18
AM/FM stereo CD .....................20
AM/FM stereo tape/CD/MP3 ....23
Premium AM/FM stereo
CD6/MP3 ...................................26
Single CD ..................................19
Clutch fluid ..........................................221
operation while driving ..........117
recommended shift speeds ....118
Compass, electronic ..............46 –47
calibration .................................48
set zone adjustment .................47
Console ........................................53
Coolant checking and adding ..............202
refill capacities ................205, 240
specifications ..................243–244
Cruise control
(see Speed control) ....................49
Customer
Assistance ..................162–163, 166 D
Daytime running lamps
(see Lamps) ................................34
Dipstick
engine oil .................................192
Doors lubricant specifications ..........243
Driveline universal joint and
slip yoke ....................................225
Driving under special
conditions ..................119, 121–122 mud ..........................................122
sand .........................................122
snow and ice ...........................123
through water .................122–123
E
Emergencies, roadside jump-starting ..........................156
Emergency Flashers .................137
Emission control system ..........217
Engine ........................................244 cleaning ...................................174
coolant .....................................202
idle speed control ...................200
limp to safety cooling .............206
lubrication
specifications ..................243–244
refill capacities ........................240
service points ..................189–191
starting after a collision .........137
Engine block heater .................109
Engine oil ..................................192 checking and adding ..............192
dipstick ....................................192
filter, specifications ................198
recommendations ...................198
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
Canadian French (fr-can)
Index
249