Page 249 of 514

1994-98 ENGINE COOLING
Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5 Miata &
Protege
APPLICATION
Information presented in this article applies to the following years and models. See YEAR & MODEL
APPLICATION .
YEAR & MODEL APPLICATION
ADJUSTMENTS
B4000 & MILLENIA (2.3L)
YearsModel
1997B2300
1997B4000
1998B2500, B3000 & B4000
1997-98Millenia
1997-98MPV
1994-97MX-5 Miata
1995-98Protege
NOTE: If a new belt is used, adjust belt deflection at midpoint of new belt specification.
NOTE: "B" Series Pickup and Millenia 2.3L are equipped with serpentine belts that are
automatically adjusted by tensioner. Millenia is equipped with 2 serpentine belts
(alternator and power steering pump). Replace belts if tensioner indicates belt
is out of adjustment range. See Fig. 1
- Fig. 3 . DO NOT apply belt dressing to
serpentine belt.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.
Microsoft
Sunday, July 05, 2009 1:57:37 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.
Page 250 of 514
Fig. 1: Checking Serpentine Belt Tension (B4000)
Courtesy of MAZDA MOTORS CORP.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 2 © 2005 Mitchell Repair Information Company, LLC.
Page 251 of 514
Fig. 2: Checking Alternator Serpentine Belt Tension (Millenia, 2.3L)
Courtesy of MAZDA MOTORS CORP.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 3 © 2005 Mitchell Repair Information Company, LLC.
Page 252 of 514
Fig. 3: Checking Power Steering Pump Serpentine Belt Tension (Millenia, 2.3L)
Courtesy of MAZDA MOTORS CORP.
MILLENIA
Alternator (2.5L)
Loosen idler pulley locknut and adjust belt deflection by turning adjusting bolt. See Fig. 4 and Fig. 19 . See
ADJUSTMENT SPECIFICATIONS
. Tighten bolts to specification. See TORQUE SPECIFICATIONS.
NOTE: If a new belt is used, adjust belt deflection at midpoint of new belt specification.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 4 © 2005 Mitchell Repair Information Company, LLC.
Page 253 of 514
Fig. 4: Adjusting Alternator Belt (Millenia, 2.5L)
Courtesy of MAZDA MOTORS CORP.
Power Steering Pump (2.5L)
Loosen idler pulley locknut and adjust belt deflection by turning adjusting bolt. See Fig. 5 and Fig. 20 . See
ADJUSTMENT SPECIFICATIONS
. Tighten bolts to specification. See TORQUE SPECIFICATIONS.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 5 © 2005 Mitchell Repair Information Company, LLC.
Page 254 of 514
Fig. 5: Adjusting Power Steering Pump Belt (Millenia, 2.5L)
Courtesy of MAZDA MOTORS CORP.
MPV
Alternator
Loosen alternator bolts and adjust belt deflection by levering generator outward and applying tension. See Fig.
6 and Fig. 21 . See ADJUSTMENT SPECIFICATIONS . Tighten bolts to specification. See TORQUE
SPECIFICATIONS .
NOTE: If a new belt is used, adjust belt deflection at midpoint of new belt specification.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 6 © 2005 Mitchell Repair Information Company, LLC.
Page 255 of 514
Fig. 6: Adjusting Alternator Belt (MPV)
Courtesy of MAZDA MOTORS CORP.
A/C Compressor
Loosen locknut and adjust belt deflection by turning adjusting bolt. See Fig. 7 and Fig. 23 . See
ADJUSTMENT SPECIFICATIONS
. Tighten bolts to specification. See TORQUE SPECIFICATIONS.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 7 © 2005 Mitchell Repair Information Company, LLC.
Page 256 of 514
Fig. 7: Adjusting A/C Compressor Belt (MPV)
Courtesy of MAZDA MOTORS CORP.
Power Steering Pump
Loosen locknut and adjust belt deflection by turning adjusting bolt. See Fig. 8 and Fig. 22 . See
ADJUSTMENT SPECIFICATIONS
. Tighten bolts to specification. See TORQUE SPECIFICATIONS.
1997 Mazda MX-5 Miata
1994-98 ENGINE COOLING Specifications & Drive Belt Routing - B2300, B2500, B3000, B4000, Millenia, MPV, MX-5
Miata & Protege
Microsoft
Sunday, July 05, 2009 1:57:32 PMPage 8 © 2005 Mitchell Repair Information Company, LLC.