Page 192 of 250
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
Maintenance and Specifications
192
Page 193 of 250
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
Maintenance and Specifications
193
Page 194 of 250
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
Maintenance and Specifications
194
Page 196 of 250
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
Maintenance and Specifications
196
Page 199 of 250

•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 clockwise until three clicks can be heard.
To avoid possible oil loss, DO NOT operate the vehicle with the
engine oil level indicator and/or the engine oil filler cap removed.
Maintenance and Specifications
199
Page 235 of 250

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
Door weather strips Silicone Lubricant
Engine coolant Mazda Premium Engine Coolant
3
Engine oil 2.3L I4 and 3.0L V6
engines SAE 5W-20 Premium Synthetic
Blend Motor Oil
Engine oil 4.0L V6 engines SAE 5W-30 Super Premium 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
Maintenance and Specifications
235
Page 241 of 250

tether anchorage hardware ...102
Chimes (warning) .......................16
Cleaning your vehicle engine compartment ..............177
exterior ............................177, 181
exterior lamps .........................179
instrument cluster lens ..........180
instrument panel ....................180
interior .....................................180
Mazda car care products .......181
mirrors .....................................179
plastic parts ............................179
washing ....................................176
waxing .....................................176
wheels ......................................177
windows ..................................181
wiper blades ............................179
Clock adjust 6-CD in dash .............................24
AM/FM .......................................19
MACH MP3 ...............................27
Single CD ..................................21
Clutch fluid ..........................................222
operation while driving ..........122
recommended shift speeds ....123
Compass, electronic ..............50–51 calibration .................................52
set zone adjustment .................51
Console ........................................57
Coolant checking and adding ..............204
refill capacities ................207, 231
specifications ..................235–236
Cruise control
(see Speed control) ....................53
Customer
Assistance ..................165–166, 169 D
Daytime running lamps
(see Lamps) ................................38
Dipstick
automatic transmission
fluid ..........................................223
engine oil .................................195
Doors lubricant specifications ..........235
Driveline universal joint
and slip yoke .............................227
Driving under special
conditions ..................124, 126–127 mud ..........................................126
sand .........................................126
snow and ice ...........................128
through water .................126, 128
E
Emergencies, roadside jump-starting ..........................159
Emergency Flashers .................139
Emission control system ..........218
Engine ........................................236 cleaning ...................................177
coolant .....................................204
idle speed control ...................202
lubrication
specifications ..................235–236
refill capacities ........................231
service points ..................192–194
starting after a collision .........139
Engine block heater .................114
Engine oil ..................................195 checking and adding ..............195
dipstick ....................................195
filter, specifications ................200
2003 Mazda B Series (mbs)
New Owners Guide own2002 (own2002)
USA English (fus)
Index
241