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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.
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