1991 MAZDA MIATA air suspension

Lower Control Arm-To-Frame54-69 (73-93)
Lug Nuts65-87 (88-118)
Stabilizer Bar Bolts (Frame)13-19 (18-26)
Stabilizer Bar Link Bolts27-40 (36-54)
Shock Absorber Assembly-To-Body Nuts21-27 (29-36)
Shock Absorber Lower Bolt54-69 (73-93)
Shock Absorber Lock Nut23-34 (31-46)
Tie Rod-To-Knuckle Nut21-32 (29-44)
Upper Ball Joint-To-Knuckle Nut30-46 (41-62)
Upper Control Arm-To-Frame87-102 (118-138)
MPV
Ball Joint-To-Lower Control Arm Bolt (4WD)75-101 (102-137)
Ball Joint-To-Lower Control Arm Nut (4WD)94-127 (128-172)
Brake Caliper Bracket Bolts65-80 (88-108)
Drive Axle Lock Nut131-173 (177-235)
Lower Control Arm-To-Frame (2WD)94-108 (127-146)
Lower Control Arm-To-Frame (4WD)101-127 (137-172)
Lug Nuts65-87 (88-118)
Stabilizer Bar Bolts (Frame) (2WD)37-45 (50-61)
Stabilizer Bar Bolts (Frame) (4WD)14-19 (19-26)
Strut Assembly Lock Nut47-59 (64-80)
Strut Assembly-To-Body Nuts21-27 (29-36)
Strut Assembly-To-Knuckle Bolt69-86 (93-117)
Strut Rod Body Bushing Bolt61-76 (83-103)
Strut Rod-To-Body Nut108-127 (146-172)
Strut Rod-To-Lower Control Arm76-92 (103-125)
Tie Rod-To-Knuckle Nut44-58 (59-78)
MX-6 & 626
Ball Joint-To-Steering Knuckle Nut27-40 (36-54)
Brake Caliper Bracket Bolts58-72 (78-98)
Drive Axle Lock Nut173-235 (235-319)
Lower Control Arm-To-Frame58-78 (78-106)
Lug Nuts65-87 (88-118)
Stabilizer Bar Bolts (Frame)27-40 (36-54)
Strut Assembly Lock Nut47-59 (64-80)
Strut Assembly-To-Body Nuts34-46 (46-63)
Strut Assembly-To-Knuckle Bolt69-86 (93-117)
Tie Rod-To-Knuckle Nut31-42 (42-57)
Wheel Speed Sensor Bolt12-17 (16-23)
Protege & 323
Ball Joint-To-Lower Control Arm Nut69-86 (93-117)

1991 Mazda MX-5 Miata
SUSPENSION - FRONT 1990-91 SUSPENSION Front
Microsoft
Sunday, July 05, 2009 2:08:54 PMPage 13 © 2005 Mitchell Repair Information Company, LLC.

32-44 (43-59)
Brake Caliper Bracket Bolts29-36 (39-49)
Drive Axle Lock Nut173-235 (235-319)
Lower Control Arm-To-Frame
Front69-86 (93-117)
Rear69-94 (93-127)
"U" Bracket Bolts69-86 (93-117)
Lug Nuts65-87 (88-118)
Stabilizer Bar Bolts (Frame)32-44 (43-59)
Strut Assembly Lock Nut58-81 (79-110)
Strut Assembly-To-Body Nuts21-30 (29-40)
Strut Assembly-To-Knuckle Bolt69-93 (93-127)
Tie Rod-To-Knuckle Nut31-42 (42-57)
RX7
Ball Joint-To-Steering Knuckle Nut27-40 (36-54)
Brake Caliper Bracket Bolts58-72 (78-98)
Lower Control Arm-To-Frame
Front46-69 (63-93)
Rear51-61 (69-83)
Lug Nuts65-87 (88-118)
Stabilizer Bar Bolts (Frame)13-19 (18-26)
Stabilizer Bar Link Bolts27-40 (36-54)
Strut Assembly Lock Nut47-59 (64-80)
Strut Assembly-To-Body Nuts21-27 (29-36)
Strut Assembly-To-Knuckle Bolt69-86 (93-117)
Tie Rod-To-Knuckle Nut21-32 (29-44)
929
Ball Joint-To-Steering Knuckle Nut69-91 (94-123)
Brake Caliper Bracket Bolts58-86 (78-117)
Drive Axle Lock Nut72-130 (98-177)
Front Wheel Bearing Nut72-130 (98-177)
Knuckle Arm-To-Knuckle75-101 (102-137)
Lower Control Arm-To-Frame55-69 (74-93)
Lug Nuts65-87 (88-118)
Stabilizer Bar Bolts (Frame)37-45 (50-61)
Strut Assembly Lock Nut47-59 (64-80)
Strut Assembly-To-Body Nuts25-32 (34-44)
Strut Assembly-To-Knuckle Bolt69-86 (93-117)
Strut Rod Body Bushing Bolt69-86 (93-117)
Strut Rod-To-Body Nut64-86 (93-117)
Strut Rod-To-Lower Control Arm76-92 (103-125)

1991 Mazda MX-5 Miata
SUSPENSION - FRONT 1990-91 SUSPENSION Front
Microsoft
Sunday, July 05, 2009 2:08:54 PMPage 14 © 2005 Mitchell Repair Information Company, LLC.

21-32 (29-44)

1991 Mazda MX-5 Miata
SUSPENSION - FRONT 1990-91 SUSPENSION Front
Microsoft
Sunday, July 05, 2009 2:08:54 PMPage 15 © 2005 Mitchell Repair Information Company, LLC.

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
Microsoft
Sunday, July 05, 2009 2:09:35 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.
Microsoft
Sunday, July 05, 2009 2:09:39 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.

drive axle lock nut. Check axial play. See WHEEL BEARING under ADJUSTMENTS & INSPECTION.
STRUT ASSEMBLY
Removal & Disassembly
1. Raise vehicle and remove fuel tank filler pipe protector. Remove rear wheel assembly. Remove stabilizer
bar nut and bolt. Remove 2 upper strut mount-to-body nuts. Remove lower strut bolt. Loosen upper and
lower arm bolts. Lower arms and remove strut assembly.
2. Clamp strut securely in soft-jawed vise. Compress coil spring. Remove lock nut and washer. Remove
remaining components and note order for reassembly.
Inspection
Check strut for leaks or abnormal noise. Inspect parts for wear or damage. Check for loose installation of bolts
and nuts. Replace parts as necessary.
Reassembly & Installation
To reassemble, reverse disassembly procedure. To install, reverse removal procedure. Ensure coil spring is well
seated in upper and lower seats. Check rear wheel toe-in. See SPECIFICATIONS & PROCEDURES article in
the WHEEL ALIGNMENT section.
LOWER ARM
Removal
Raise and support vehicle. Remove wheel assembly. Remove stabilizer bar control link nut and bolt. See Fig.
1 . Remove lower strut bolt. Remove lower arm-to-crossmember bolts. Remove lower arm-to-knuckle bolts.
Remove lower arm. Inspect arm for dama
ge, cracks and deformation. Check for damaged or worn bushings.

1991 Mazda MX-5 Miata
SUSPENSION - REAR 1991 SUSPENSION Rear
Microsoft
Sunday, July 05, 2009 2:09:35 PMPage 2 © 2005 Mitchell Repair Information Company, LLC.

Fig. 1: Exploded View of Rear Lower Arm Assembly
Courtesy of MAZDA MOTORS CORP.
Installation
To install, reverse removal procedure. Tighten all bolts with vehicle resting on ground and suspension
unloaded. Adjust rear wheel toe-in. See SPECIFICATIONS & PROCEDURES article in the WHEEL
ALIGNMENT section.
UPPER ARM
Removal
Raise and support vehicle. Remove wheel assembly. Remove upper arm-to-crossmember bolts. Remove upper
arm-to-knuckle bolts. Remove upper arm. Inspect arm for damage, cracks and deformation. Check for damaged
or worn bushings.

1991 Mazda MX-5 Miata
SUSPENSION - REAR 1991 SUSPENSION Rear
Microsoft
Sunday, July 05, 2009 2:09:35 PMPage 3 © 2005 Mitchell Repair Information Company, LLC.

Installation
To install, reverse removal procedure. Tighten all bolts with vehicle resting on ground and suspension
unloaded. Adjust rear wheel toe-in. See SPECIFICATIONS & PROCEDURES article in the WHEEL
ALIGNMENT section.
STABILIZER BAR
Removal
Raise and support vehicle. Remove wheel assembly. Remove stabilizer bar-to-crossmember bolt, bracket and
bushing. See Fig. 2
. Remove stabilizer bar control link-to-lower arm nut and bolt. Remove stabilizer bar and
control link from vehicle. Separate stabilizer bar from control link.
Fig. 2: Exploded View of Rear Stabilizer Bar & Control Link

Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
SUSPENSION - REAR 1991 SUSPENSION Rear
Microsoft
Sunday, July 05, 2009 2:09:35 PMPage 4 © 2005 Mitchell Repair Information Company, LLC.

Installation
Inspect stabilizer bar and components for damage, cracks and deterioration. To install, reverse removal
procedure. Ensure bushing is aligned with White line on stabilizer. Ensure seam faces front of vehicle. Tighten
nuts and bolts to specification with vehicle resting on ground and suspension unloaded.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
ApplicationFt. Lbs. (N.m)
ABS Speed Sensor Harness Bracket Bolts12-17 (16-23)
Caliper Assembly-To-Knuckle Bolt36-51 (49-69)
Control Link-To-Lower Arm Nut27-40 (36-54)
Lower Arm-To-Crossmember Nuts54-70 (73-95)
Lower Arm-To-Knuckle Nut46-55 (63-75)
Rear Axle Nut159-217 (216-294)
Stabilizer Bar Brackets Bolts15-21 (20-28)
Stabilizer Bar-To-Control Link Bolt27-40 (36-54)
Strut Piston Rod Lock Nut23-34 (31-46)
Strut-To-Body Nuts22-27 (29-36)
Strut-To-Lower Arm Bolt54-69 (73-93)
Upper Arm-To-Crossmember Nuts34-49 (46-67)
Upper Arm-To-Knuckle Bolt34-49 (46-67)
Wheel Lug Nuts65-87 (88-118)

1991 Mazda MX-5 Miata
SUSPENSION - REAR 1991 SUSPENSION Rear
Microsoft
Sunday, July 05, 2009 2:09:35 PMPage 5 © 2005 Mitchell Repair Information Company, LLC.