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table. Bleed air from system. Check fluid level. Check for leaks. Adjust alignment (if necessary).
POWER STEERING PUMP
Removal & Installation
1. Raise and support front of vehicle. On MX-6 and 626, remove right wheel and splash shield. On all
models remove belt, alternator and hydraulic lines from pump.
2. On Protege and 323, disconnect air cleaner duct and pressure switch. On all models, cap lines to prevent
contamination. Remove bracket-to-pump bolts.
3. To install, reverse removal procedure. Adjust belt tension. See POWER STEERING BELT
DEFLECTION TABLE under ADJUSTMENTS. Bleed air from system. Check for leaks.
OVERHAUL
STEERING GEAR
NOTE: See Fig. 2
-8 for exploded views of rack and pinion steering gears.
1991 Mazda MX-5 Miata
STEERING GEAR - POWER RACK & PINION 1991 STEERING Mazda - Power Rack & Pinion
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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
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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
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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
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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
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Removal & Installation (B2200, B2600i, Miata, Protege, RX7,
323 & 929)
1. Remove steering wheel and combination switch. See STEERING WHEEL & HORN PAD and
COMBINATION SWITCH
under REMOVAL & INSTALLATION. See Fig. 2 -8. Remove steering
lock assembly. See IGNITION SWITCH & STEERING LOCK
under REMOVAL &
INSTALLATION.
2. Remove lower panel and air duct (if necessary). Remove steering column-to-intermediate shaft "U" joint
bolt. Remove steering column-to-firewall nuts. Remove lower joint dust cover (if equipped). Remove
steering column upper bracket bolts. Remove steering column.
3. To install, reverse removal procedure. Tighten bolts to specification. See TORQUE SPECIFICATIONS
TABLE at end of article.
1991 Mazda MX-5 Miata
STEERING COLUMN 1991 STEERING Mazda - Steering Columns
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Courtesy of MAZDA MOTORS CORP.
Removal & Installation (MPV, MX-6 & 626)
1. Remove steering wheel and combination switch. See STEERING WHEEL & HORN PAD and
COMBINATION SWITCH
under REMOVAL & INSTALLATION. Remove steering lock assembly.
See IGNITION SWITCH & STEERING LOCK
under REMOVAL & INSTALLATION.
2. Remove lower dash panel and A/C duct. Remove lower column cover and steering shaft-to-intermediate
shaft "U" joint bolt. On MPV with A/T, remove shift lever mechanism.
3. On all models, separate steering shaft from intermediate shaft. Remove steering column upper bracket
bolts. Remove steering column. To install, reverse removal procedure. Tighten bolts to specification. See
TORQUE SPECIFICATIONS TABLE
at end of article.
OVERHAUL
STEERING COLUMN
Disassembly
Remove wiring and switches. Clamp column in vise. Turn steering shaft to remove. With a hammer and chisel,
make a groove in steering lock assembly shear screws. Remove shear screws. Remove steering lock.
Inspection
Check all components for damage or wear. Check steering shaft for bends, damage or sheared plastic pins.
Check bearings for excessive play. Replace parts as necessary. Measure length of steering shaft. See Fig. 9
.
Reassembly
To reassemble, reverse disassembly procedure. Grease steering shaft, bushings and bearings. Always use NEW
shear screws.
STEERING SHAFT DIMENSIONS
(1) NOTE: Steering shaft dimension for 929 is not available from manufacturer.
ApplicationLength - In. (mm)
B2200 & B2600i32.69-32.99 (830.0-835.6)
Miata22.09-23.02 (561.1-584.7)
MPV24.05-24.17 (611.0-614.0)
MX-6 & 62624.00-24.05 (609.6-611.1)
Protege & 32323.86-23.94 (606.0-608.0)
RX732.05-32.17 (814.0-817.0)
929(2)
See Fig. 9 for measuring points.
1991 Mazda MX-5 Miata
STEERING COLUMN 1991 STEERING Mazda - Steering Columns
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Fig. 9: Measuring Steering Shaft Dimensions (Except 929)
Courtesy of MAZDA MOTORS CORP.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
ApplicationFt. Lbs. (N.m)
Column Bracket Bolts/Nuts12-17 (16-23)
Steering Shaft "U" Joint Bolts13-20 (18-27)
Steering Wheel Nut29-36 (39-49)
INCH Lbs. (N.m)
Tilt Lever Adjusting Nut16-25 (1.8-2.8)
1991 Mazda MX-5 Miata
STEERING COLUMN 1991 STEERING Mazda - Steering Columns
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