1991 MAZDA MIATA steering

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
Microsoft
Sunday, July 05, 2009 2:10:42 PMPage 12 © 2005 Mitchell Repair Information Company, LLC.

(1)
(2)
Information is not available.

1991 Mazda MX-5 Miata
STEERING COLUMN 1991 STEERING Mazda - Steering Columns
Microsoft
Sunday, July 05, 2009 2:10:42 PMPage 13 © 2005 Mitchell Repair Information Company, LLC.

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
Microsoft
Sunday, July 05, 2009 2:10:42 PMPage 14 © 2005 Mitchell Repair Information Company, LLC.

Courtesy of MAZDA MOTORS CORP.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS
ApplicationFt. Lbs. (N.m)
A/C Compressor Bracket
MX-3, Protege & 32317-26 (23-35)
MX-5 Miata11-16 (15-22)
Alternator Top Bolt27-38 (37-52)
Camshaft Sprocket Bolt36-45 (49-61)
Crankshaft/Timing Belt Sprocket Bolt
1986-9180-87 (109-118)
1992-95116-123 (157-167)
Power Steering Pump-To-Bracket Bolt
MX-3, Protege & 32327-38 (37-52)
Timing Belt Tensioner Bolt
DOHC27-38 (37-52)
SOHC14-19 (19-26)
INCH Lbs. (N.m)
Camshaft/Rocker Cover Bolt
DOHC & SOHC (Top)43-78 (5-9)
SOHC (Timing Belt Cover-To-Camshaft Cover)69-95 (8-11)
Crankshaft Pulley Bolts109-152 (12-17)

1991 Mazda MX-5 Miata
MAZDA 1.6L & 1.8L 4-Cylinder - 1986-95
Microsoft
Sunday, July 05, 2009 2:12:44 PMPage 11 © 2005 Mitchell Repair Information Company, LLC.