Brakes - NA Miata Torque Specs
Torque Specs
ABS Wheel Speed Sensor Bolt
12-17 lb-ft
16-23 N-m
Backing Plate - Rear
33-43 lb-ft
45-58 N-m
Caliper Guide Bolt - Front Lower (1990-’93)
58-65 lb-ft
78-88 N-m
Caliper Guide Bolt - Front Upper (1990-’93)
33-40 lb-ft
45-54 N-m
Caliper Guide Bolt - Rear (1990-’93)
33-43 lb-ft
45-59 N-m
Caliper Guide Bolts - Front (1994-’97)
58-65 lb-ft
78-88 N-m
Caliper Guide Bolts - Rear (1994-’97)
33-36 lb-ft
45-49 N-m
Caliper Mounting Bracket Bolt - Front
36-51 lb-ft
49-69 N-m
Caliper Mounting Bracket Bolt - Rear
33-43 lb-ft
45-59 N-m
Front Axle Lock Nut
123-159 lb-ft
167-215 N-m
Rear Axle Lock Nut
159-217 lb-ft
216-294 N-m
Wheel Cylinder Mounting Bolt
88-108 lb-in⁽¹⁾
10-12 N-m
Wheel Lug Nut
65-87 lb-ft
88-118 N-m
Parking Brake Cable Lock Nut
168-252 lb-in⁽¹⁾
19-29 N-m
⁽¹⁾lb-INCH
Disc Brake Specifications
Front Disc - Original Thickness (1990-’93)⁽²⁾
0.71 in
18 mm
Front Disc - Discard Thickness (1990-’93)⁽²⁾
< 0.63 in
< 16 mm
Rear Disc - Original Thickness (1990-’93)⁽²⁾
0.35 in
9 mm
Rear Disc - Discard Thickness (1990-’93)⁽²⁾
< 0.28 in
< 7 mm
Front Disc - Original Thickness (1994-’97)⁽³⁾
0.79 in
20 mm
Front Disc - Discard Thickness (1994-’97)⁽³⁾
< 0.71 in
< 18 mm
Rear Disc - Original Thickness (1994-’97)⁽³⁾
0.35 in
9 mm
Rear Disc - Original Thickness (1994-’97)⁽³⁾
< 0.31 in
< 8 mm
⁽²⁾Maximum Lateral Runout is 0.006 in (0.15 mm)
⁽³⁾Maximum Lateral Runout is 0.004 in (0.10 mm)
Minimum Pad Lining Specifications
Replace Front Pad:
< 0.04 in
< 1.0 mm
Replace Rear Pad:
< 0.04 in
< 1.0 mm
Information may vary depending on the source. If you notice any information that is incorrect or potentially dangerous, please contact me with supporting citations so I can review and correct it. This is an ongoing learning project and I plan to update the content as I find more accurate and reliable sources.
Sources: