1991 MAZDA MIATA Factory Service Manual

Fig. 3: Rack & Pinion Steering Gear (MPV)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
Microsoft
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Fig. 4: Engine Speed Sensing Rack & Pinion Steering Gear (MX6 & 626)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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Fig. 5: Elect. Controlled Rack & Pinion Steering Gear (MX6 & 626)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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Fig. 6: Exploded View of Rack & Pinion Steering Gear (Protege & 323)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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Fig. 7: Exploded View of Rack & Pinion Steering Gear (RX7)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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Fig. 8: Exploded View of Rack & Pinion Steering Gear (929)
Courtesy of MAZDA MOTORS CORP.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
ApplicationFt. Lbs. (N.m)
Intermediate Shaft-To-Pinion Shaft Bolt
All Models Except RX713-19 (18-26)
RX712-18 (16-24)
Middle Crossmember
Front Bolt29-40 (39-54)
Rear Bolt58-86 (78-117)
Pinion Bearing Lock Nut29-36 (39-50)
Pinion Housing Lock Nut
Miata29-39 (39-53)
MPV, Protege & 32329-36 (39-50)
MX-6 & 62633-40 (44-54)
RX7 & 92936-51 (49-69)
Stabilizer Bar-To-Control Link Nut27-40 (36-54)

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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Stabilizer Link Bolt/Nut12-17 (16-23)
Steering Angle Transfer Shaft-To-Steering Gear Bolt13-19 (18-26)
Steering Bracket-To-Frame Mounting Bolt46-69 (63-93)
Steering Gear Mounting Bolt
Miata34-43 (46-58)
MPV55-69 (74-93)
MX-6 & 62627-40 (36-54)
Protege, RX7, 323 & 92923-34 (31-46)
Steering Rack-To-Tie Rod
Miata58-72 (78-98)
MPV, MX-6, RX7 & 62687 (118)
Protege, 323 & 92943-58 (60-78)
Tie Rod Castle Nuts
All Models Except MPV21-32 (29-44)
MPV44-58 (59-78)
Valve Housing Bolt (929)14-22 (20-29)

1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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SUSPENSION - REAR
1991 SUSPENSION Rear
DESCRIPTION
Rear suspension consists of MacPherson-type struts, crossmember, upper and lower arms and stabilizer bar with
control link. Upper and lower arms attach to crossmember and knuckle. A stabilizer bar with control link is
mounted to lower arm and crossmember. Rear wheel alignment is adjusted by turning adjusting cams on lower
arm.
ADJUSTMENTS & INSPECTION
WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES
See WHEEL ALIGNMENT SPECIFICATIONS AND PROCEDURES article in the WHEEL ALIGNMENT
section.
WHEEL BEARING
Raise vehicle and support. Remove wheel assembly. Remove caliper assembly and wire aside. Remove brake
rotor. Attach dial indicator to axle hub and measure bearing play. Maximum bearing play is .002" (.05 mm). If
play exceeds specification, check rear axle lock nut torque or replace wheel bearing.
REMOVAL & INSTALLATION
WHEEL BEARING
Removal
1. Raise and support vehicle. Remove wheel assembly. Remove drive axle lock nut. Remove brake caliper
assembly, and wire aside. Remove screws and rotor. Disconnect ABS speed sensor. Remove knuckle
assembly from upper and lower arms.
2. Using a press, Installer (49-G030-727) and Puller (49-F026-103), remove hub from knuckle. Remove
snap ring from knuckle. Using a press, installer and Puller (49-0636-145), remove wheel bearing inner
race from hub. Remove wheel bearing outer race from knuckle using a press and Adapter (49-F027-005).
Inspection
Check wheel hub and knuckle for cracks and damage. Check dust cover for deformation. Check bearing for
excessive wear or seizure.
Installation
Press new wheel bearing into knuckle using Installer (49-F027-007) and Adapter (49-F027-009). Press hub into
knuckle using installer. To install, reverse removal procedure. Tighten drive axle lock nut to specification. Stake

1991 Mazda MX-5 Miata
SUSPENSION - REAR 1991 SUSPENSION Rear

1991 Mazda MX-5 Miata
SUSPENSION - REAR 1991 SUSPENSION Rear
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