air MAZDA MIATA 1991 Factory Repair Manual

Fig. 28: Anti-Lock Brake System Wiring Diagram (RX7)
Fig. 29: Anti-Lock Brake System Wiring Diagram (929)

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
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1990-93 DRIVE AXLES
Axle Shafts - MX-5 Miata
DESCRIPTION
The axle shaft is a double offset, constant velocity joint type.
TROUBLE SHOOTING
Check dust boot on axle shaft for cracks, damage, leaking grease, and loose boot bands. Check axle shaft for
bending, cracks, and wear of joints or splines. Repair or replace axle shaft if necessary.
REMOVAL & INSTALLATION
AXLE SHAFTS
Removal
1. Raise vehicle and support with safety stands. Remove wheel and tire assembly. See Fig. 1 . Loosen axle
shaft lock nut until flush with end of axle shaft. Mark differential and axle shaft flanges for installation
reference. See Fig. 2
. Remove axle shaft flange nuts. NOTE: See TROUBLE SHOOTING
- BASIC PROCEDURES article in GENERAL
INFORMATION.
NOTE: Manufacturer recommends using new axle shaft lock nut during
installation.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
Sunday, July 05, 2009 2:16:32 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.
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Sunday, July 05, 2009 2:16:36 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.

Fig. 1: Removing Axle Shaft
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
Sunday, July 05, 2009 2:16:33 PMPage 2 © 2005 Mitchell Repair Information Company, LLC.

Fig. 2: Identifying Differential-To-Axle Shaft Flange Mark
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
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Fig. 3: Removing Axle Shaft From Hub Assembly
Courtesy of MAZDA MOTORS CORP.
2. Remove upper control arm bolt, and pull knuckle/hub assembly outward. Remove inner CV joint from
differential flange. Remove axle shaft from knuckle/hub assembly. If axle shaft is stuck in knuckle/hub
assembly, use plastic or soft-faced hammer to tap axle shaft from knuckle/hub assembly. See Fig. 3
.
Remove axle shaft lock nut.
Installation
To install, reverse removal procedure. Align marks on differential and axle shaft flanges. Check rear wheel
alignment. See appropriate article in WHEEL ALIGNMENT. Tighten all bolts and nuts to specification. See
TORQUE SPECIFICATIONS
. Stake axle shaft lock nut. See Fig. 4.
NOTE: Manufacturer recommends using new axle shaft lock nut during installation.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
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Fig. 4: Installing Axle Shaft Lock Nut
Courtesy of MAZDA MOTORS CORP.
OVERHAUL
AXLE SHAFTS
Disassembly
1. Place axle shaft assembly in soft-jawed vise. Keep axle shaft assembly clean during disassembly and
reassembly. To remove boot bands, pry up locking clip by using a screwdriver, then raise end of band.
See Fig. 5
.
NOTE: Before disassembling axle shaft, verify that joint moves smoothly. If a problem
is found, repair parts or replace axle shaft.
NOTE: DO NOT wash joint unless it is being disassembled.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
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Fig. 5: Removing Boot Band
Courtesy of MAZDA MOTORS CORP.
2. Mark axle shaft and outer ring with paint as shown. See Fig. 6
. Using a screwdriver, remove clip. Mark
axle shaft end and inner ring with paint as show. See Fig. 7
. Remove snap ring by using snap ring pliers.
See Fig. 8
.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
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Fig. 6: Identifying Outer Ring-To-Axle Shaft Marks
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
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Fig. 7: Removing Snap Ring
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
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Fig. 8: Exploded View Of Axle Shaft Assembly
Courtesy of MAZDA MOTORS CORP.
3. Insert a screwdriver between inner ring and cage to remove balls. See Fig. 9
. Mark inner ring and cage
with paint.

1991 Mazda MX-5 Miata
1990-93 DRIVE AXLES Axle Shafts - MX-5 Miata
Microsoft
Sunday, July 05, 2009 2:16:33 PMPage 9 © 2005 Mitchell Repair Information Company, LLC.