2003 Mazda MPV ESFACTORY OEM SERVICE PROCEDURE

Service Intervals & Specifications

REPLACEMENT INTERVALS

Component Miles
Air Filter
Except Mazda6 & MPV 30,000
Mazda6 & MPV (1) 37,500
Camshaft Timing Belt
Protege & Protege5 (2)
Miata 1.8L 60,000
Tribute 2.0L 90,000
Coolant
Except Mazda6 (3)
Mazda6 (4)
Engine Oil & Filter
Except B2300, B3000 & B4000 7500
B2300, B3000 & B4000 5000
Fuel Filter
Except B2300, B3000, B4000 & Tribute (5)
B2300, B3000, B4000 & Tribute 30,000
Spark Plugs
B2300, B3000, B4000 & MPV 100,000
Mazda6 (6)
Miata, Protege, Protege5 & Tribute 30,000
(1) On MPV, manufacturer recommends cleaning at 22,500 and 60,000 miles.
(2) Inspect timing belt at 60,000 miles. Replace belt at 105,000 miles. If the vehicle is operated in cold districts, below 0°F (-18°C), replace timing belt at 60,000 miles.
(3) Replace coolant at 45,000 miles (50,000 miles on Tribute), then every 30,000 miles.
(4) Manufacturer recommends inspecting coolant every 30,000 miles and replacing at 105,000 miles; after that, every 30,000 miles.
(5) No interval available from manufacturer.
(6) Manufacturer recommends replacing spark plugs at 105,000 miles; after that, every 30,000 miles.
BELT ADJUSTMENT (TENSION IN LBS. (KG) USING BELT TENSION GAUGE)

Application New Belt (1) Used Belt
B2300, B3000 & B4000 (2) (2)
Mazda6
2.3L (2) (2)
3.0L (4) (4)
Miata
Generator 110-167 (50-76) 110-158 (50-72)
Power Steering Or Power Steering With Air Conditioning 130-154 (59-70) 95-110 (43-50)
MPV
Front Drive Belt (2) (2)
Rear Water Pump Drive Belt (3) (3)
Protege & Protege5
Protege & Protege5 160-180 (70-85) 110-150 (50-70)
Power Steering Or Power Steering With Air Conditioning 132-170 (60-80) 110-150 (50-70)
Tribute
2.0L (2) (2)
3.0L (4) (4)
(1) Used belt is a belt in operation for more than 5 minutes.
(2) Serpentine belt is used with automatic belt tensioner. Tension is correct if indicator is within limit marks. See Fig 1.
(3) Water pump drive belt uses automatic belt tensioner. Tension is correct if indicator is within limit marks. See Fig 1.
(4) 3.0L engine has 2 drive belts. Accessory belt is a serpentine belt located on front of engine. Water pump drive belt is located on back of engine. Engine is available with and without automatic tensioner on water pump drive belt. Specification for water pump drive belt tension is not available from manufacturer.
Fig 1: Identifying Automatic Belt Tensioner Indicator Limit Marks
G00158969Courtesy of MAZDA MOTORS CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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