1997 MAZDA MX-5 Factory Repair Manual

Fig. 4: Exploded View Of Front Disc Brake Assembly (Miata Shown; MPV Is Similar)
Courtesy of MAZDA MOTORS CORP.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 11 © 2005 Mitchell Repair Information Company, LLC.

Fig. 5: Exploded View Of Front Brake Disc Assembly (MX-6 & 626)
Courtesy of MAZDA MOTORS CORP.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 12 © 2005 Mitchell Repair Information Company, LLC.

Fig. 6: Exploded View Of Front Disc Brake Assembly (929 Shown; Millenia Is Similar)
Courtesy of MAZDA MOTORS CORP.
Removal & Installation (MX-3 & Protege)
1. Raise and support front of vehicle. Remove front wheel assemblies. Remove "M" spring. See Fig. 7 .
Remove "W" spring. Remove pad pins. Remove pads, shims and anti-squeak shim. Replace pad if lining
thickness is less than specified. See MINIMUM PAD LINING SPECIFICATIONS (FRONT)
.
2. To install, reverse removal procedure. Use Disc Brake Expand Tool (49-0221-600C) and an old pad to
push piston full
y inward to install disc pads.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 13 © 2005 Mitchell Repair Information Company, LLC.

Fig. 7: Exploded View Of Front Disc Brake Assembly (MX-3 & Protege)
Courtesy of MAZDA MOTORS CORP.
Removal & Installation (RX7)
1. Raise and support front of vehicle. Remove front wheel assemblies. Remove "M" clip. See Fig. 8 .
Remove pad pins. Remove "M" spring. Remove pads and shims. Replace pad if lining thickness is less
than specified. See MINIMUM PAD LINING SPECIFICATIONS (FRONT)
.
2. To install, reverse removal procedure. Use Disc Brake Expander (49-0221-600C) and an old pad to push
piston fully inward to install disc pads. Ensure shims are installed with arrows facing direction of forward
rotor rotation.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 14 © 2005 Mitchell Repair Information Company, LLC.

MINIMUM PAD LINING SPECIFICATIONS (FRONT)
Fig. 8: Exploded View Of Front Disc Brake Assembly (RX7)

Courtesy of MAZDA MOTORS CORP.
FRONT DISC BRAKE CALIPER
Removal & Installation (Except B2300, B3000 & B4000)
Raise and support front of vehicle. Remove front wheel assemblies and disconnect brake hose. Plug all
ApplicationThickness In. (mm)
B2300, B3000 & B4000.12 (3.0)
Miata, MX-6, Protege, RX7, 626 & 929.04 (1.0)
Millenia, MPV & MX-3.08 (2.0)
NOTE: For removal and installation of front disc brake caliper for B2300, B3000 &
B4000, see FRONT DISC BRAKE PADS
.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 15 © 2005 Mitchell Repair Information Company, LLC.

openings. Remove front disc brake pads. See FRONT DISC BRAKE PADS. Remove remaining mounting
bolt(s). Remove caliper from vehicle. To install, reverse removal procedure. Bleed air from system.
FRONT BRAKE ROTOR
Removal & Installation (B2300, B3000 & B4000 2WD)
1. Raise and support vehicle. Remove front wheel assemblies and brake caliper. See FRONT DISC
BRAKE PADS . Remove grease cap, cotter pin, retainer, adjusting nut, washer and outer bearing.
Carefully remove hub and rotor assembly. Remove inner bearing and seal.
2. To install, reverse removal procedure. Adjust front wheel bearings. While rotating rotor, tighten adjusting
nut 17-25 ft. lbs. (23-34 N.m) to seat bearings. Back off adjusting nut 1/2 turn. Tighten adjusting nut to
18-20 INCH lbs. (2.0-2.3 N.m). Install bearing retainer and NEW cotter pin. DO NOT turn adjusting nut
to align cotter pin.
Removal (B2300, B3000 & B4000 4WD With Automatic Locking Hubs)
1. Raise and support vehicle. Remove front wheel assemblies and caliper. See FRONT DISC BRAKE
PADS . Remove retainer washers from lug nut studs. Remove automatic locking hub assembly from
spindle.
2. Remove snap ring from end of spindle shaft. Remove axle spacers. See Fig. 9
. Carefully pull cam
assembly off wheel bearing adjusting nut. If necessary, rotate adjusting nut slightly to relieve pressure on
locking key.
3. Using a magnet, remove locking key. Using 2 3/8" Hex Lock Nut Wrench (49-UN01-037), remove wheel
bearing adjusting nut. Remove outer wheel bearing and rotor.
Installation
When installing rotor, outer bearing and adjusting nut, tighten adjusting nut to 35 ft. lbs (47 N.m) to seat
bearings. Spin rotor, and back off adjusting nut 1/4 turn. Tighten adjusting nut to 16 INCH lbs. (1.8 N.m). To
install remaining components, reverse removal procedure. See Fig. 7
. After assembly is complete, wheel to
spindle end play should be .000-.003" (.00-.08 mm).
CAUTION: Extreme caution must be used when aligning adjusting nut lug with
spindle locking key slot to prevent damage to locking key.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 16 © 2005 Mitchell Repair Information Company, LLC.

Fig. 9: Removing Front Rotor (B2300, B3000 & B4000 With Automatic Locking Hubs)
Courtesy of FORD MOTOR CO.
Removal (B2300, B3000 & B4000 4WD With Manual Locking Hubs)
1. Raise and support vehicle. Remove front wheel assemblies and caliper. See FRONT DISC BRAKE
PADS . Remove retainer washers from lug nut studs. Remove manual locking hub assembly from
spindle.
2. Remove snap ring from end of spindle shaft. Remove axle spacers. See Fig. 10
. Using Lock Nut Wrench
(49-UN01-042), remove outer wheel bearing lock nut. Remove lock washer. Using lock nut wrench,
remove inner wheel bearing lock nut. Remove outer wheel bearing, cup and rotor.
Installation
When installing rotor, outer bearing and inner lock nut, tighten inner lock nut to 35 ft. lbs. (47 N.m) to seat
bearings. Spin rotor, and back off inner lock nut 1/4 turn. Tighten inner lock nut to 16 INCH lbs. (1.8 N.m). To
install remaining components, reverse removal procedure. See Fig. 10
. After assembly is complete, wheel to
spindle end pla
y should be .000-.003" (.00-.08 mm).

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 17 © 2005 Mitchell Repair Information Company, LLC.

Fig. 10: Removing Front Rotor (B2300, B3000 & B4000 With Manual Locking Hubs)
Courtesy of FORD MOTOR CO.
Removal & Installation (Except B2300, B3000 & B4000)
1. Raise and support front of vehicle. Remove front wheel assemblies. Remove front disc brake caliper with
brake hose connected. See FRONT DISC BRAKE CALIPER
. Wire caliper aside. Remove rotor-to-hub
screws (if equipped). Remove rotor.
2. Machine rotor if lateral runout exceeds specification. Replace rotor if measured thickness is less than
specified minimum thickness. See DISC BRAKE SPECIFICATIONS
. To install, reverse removal
procedure.
REAR DISC BRAKE PADS
Removal & Installation (Miata & Protege)
1. Raise and support rear of vehicle. Remove rear wheel assemblies. Remove manual adjustment gear
concealment plug from caliper. See Fig. 11
. Insert an appropriate size Allen wrench through hole and
turn manual adjustment gear counterclockwise to retract caliper piston.
2. Remove lower guide bolt from caliper. Rotate caliper upward and wire side. Remove "M" spring.
Remove pads, shims and guide plates. Replace pad if lining thickness is less than .04" (1.0 mm). To
install, reverse removal procedure. Turn manual adjustment gear clockwise until brake pads slightly touch
rotor. Turn manual ad
justment gear back 1/3 turn.

1997 Mazda MX-5 Miata
BRAKE SYSTEM 1995-97 BRAKES Mazda - Disc & Drum
Microsoft
Sunday, July 05, 2009 1:51:03 PMPage 18 © 2005 Mitchell Repair Information Company, LLC.