Service Intervals & Specifications

1999 Mazda 626 ES, 2.5 D, StandardSECTION Service Intervals & Specifications
REPLACEMENT INTERVALS

Component Miles
Air Filter 30,000
Camshaft Timing Belt
B2500 (1)
Miata, Millenia & Protege (2)
626
4 Cylinder (2)
6 Cylinder (3)
Coolant
Millenia 105,000
All Other Models (4)
Engine Oil
B2500, B3000, B4000 & Millenia 5000
All Others 7500
Engine Oil Filter
B2500, B3000, B4000 & Millenia 5000
All Others 7500
Fuel Filter
B2500, B3000 & B4000 30,000
All Others 60,000
Spark Plugs
B2500, B3000 & B4000 100,000
Millenia
2.3L 60,000
2.5L 30,000
626
2.0L 30,000
2.5L 60,000
All Others 30,000
(1) Inspect timing belt at 120,000 miles.
(2) Replace timing belt at 60,000 miles, except vehicles sold in California, New York, Massachusetts, Connecticut, Vermont, New Jersey, Rhode Island, Delaware, Maryland, New Hampshire, Pennsylvania, Virginia, Maine and Washington D. C. On vehicles sold in those states, inspect timing belt at 60,000 miles and again at 90,000 miles. Replace belt at 105,000 miles.
(3) Replace timing belt at 60,000 miles, except vehicles sold in California, Massachusetts, Vermont, New York and Maine. On vehicles sold in those states, inspect timing belt at 60,000 miles and again at 90,000 miles. Replace belt at 105,000 miles.
(4) Replace coolant at 45,000 miles (50,000 miles on B2500, B3000 and B4000), then every 30,000 miles.
BELT ADJUSTMENT (TENSION Lbs. (kg) USING BELT TENSION GAUGE)

Application New Belt (1) Used Belt
B2500, B3000 & B4000 (2) (2)
Miata
Generator 110-160 (50-76) 110-140 (50-60)
All Others 110-130 (50-55) 85-110 (45-50)
Millenia
2.3L (2) (2)
2.5L
Generator 160-190 (76-90) 110-150 (50-70)
Power Steering 130-150 (55-70) 88-130 (40-55)
Protege
1.6L
A/C Compressor 140-170 (60-80) 110-150 (50-70)
Generator 110-160 (50-76) 110-150 (50-70)
Power Steering 160-180 (76-85) 110-150 (50-70)
1.8L
A/C Compressor 140-170 (60-80) 110-150 (50-70)
Generator 160-180 (76-85) 110-150 (50-70)
Power Steering 160-180 (76-85) 110-150 (50-70)
1.6L
626
2.0L
A/C Compressor 160-180 (76-85) 110-150 (50-70)
Generator 170-180 (75-85) 110-150 (50-70)
Power Steering 140-170 (60-80) 110-150 (50-70)
2.5L
A/C Compressor 160-190 (76-90) 110-150 (50-70)
Generator 160-190 (76-90) 110-150 (50-70)
Power Steering 130-150 (55-70) 88-120 (40-53)
(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.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

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