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MX-5 Miata Torque Specs Cheat Sheet

Table of Contents



Specs are for NA/NB Miatas

General Torque Specifications

General Items Torque Specifications
Item Torque Specs
Engine Oil Drain Plug (19mm) 22-30 ft-lbs / 31-41 N-m
Wheel Lug Nuts 66-86 ft-lbs / 89-117 N-m
Spark Plugs 11-17 ft-lbs (132-204 in-lbs)
Differential Fill Plug (23mm) 29-40 ft-lbs / 39-54 N-m
Gearbox Drain Plug (24mm) 29-43 ft-lbs / 39-59 N-m
Gearbox Fill Plug (Square) 18-29 ft-lbs / 25-39 N-m
Differential Drain Plug (24mm) 29-40 ft-lbs / 39-54 N-m

Suspension Torque Specifications

Suspension Torque Specifications
Item Torque Specs
Lower Control Arm Bolt, Front 54-69 ft-lbs / 73-93 N-m
ABS Wheel Speed Sensor 15-18 ft-lbs / 19-25 N-m
Upper Shock Nuts 23-34 ft-lbs / 31-46 N-m
Swaybar Bushing Bolts, Rear 14-21 ft-lbs / 20-28 N-m
Axel Lock Nut 123-159 ft-lbs / 167-216 N-m
Swaybar Bushing Bolts, Front 13-20 ft-lbs / 18-26 N-m
Spindle (Vertical) Bolt 54-69 ft-lbs / 73-93 N-m
Wheel Lug Nuts 66-86 ft-lbs / 89-117 N-m
Swaybar End Link Bolts, Both Ends 27-40 ft-lbs / 36-54 N-m
Upper Shock Mount Plate Bolts 22-27 ft-lbs / 29-36 N-m
Lower Shock Bolt 54-69 ft-lbs / 73-93 N-m
Camber Adjustment Bolts, Rear 54-70 ft-lbs / 73-95 N-m
Camber Adjustment Bolts, Front 69-83 ft-lbs / 94-112 N-m

Brakes Torque Specifications

Brakes Torque Specifications
Item Torque Specs
Caliper Bolts, Front 58-65 ft-lbs / 78-88 N-m
Front/Rear Bracket Bolts 36-51 ft-lbs / 49-69 N-m
Rear Adjuster Plug Bolt 9-12 ft-lbs / 12-16 N-m
Front/Rear Banjo Bolts 16-22 ft-lbs / 22-29 N-m
Caliper Bolts, Rear 25-29 ft-lbs / 34-39 N-m

Engine & Cooling Torque Specifications

Engine & Cooling Torque Specifications
Item Torque Specs
Water Pump - 4 Bolts to Block 14-19 ft-lbs / 19-25 N-m
Crank Pulley Bolts - 4 109-151 in-lbs
Crank Pulley Main Bolt (1990 - Early 1991) 80-87 ft-lbs / 108-118 N-m (plus Loctite 242-blue)
Cam Cover Bolts 43-78 in-lbs
Alternator Tension Adjustment Bolt 14-19 ft-lbs / 19-25 N-m
Alternator Mounting Bolt 27-38 ft-lbs / 37-52 N-m
Timing Belt Cover Bolts 69-95 in-lbs
Radiator - Upper Bolts 14-19 ft-lbs / 19-25 N-m
Timing Belt Tensioner Bolt & Idler Pulley Bolt 28-38 ft-lbs / 38-52 N-m
Crank Pulley Main Bolt (Late 1991 - Present) 116-122 ft-lbs / 157-165 N-m (plus Loctite 242-blue)
Water Pump Pulley - 3 Bolts 69-151 in-lbs
Water Inlet Pipe - 2 Bolts to Water Pump 14-19 ft-lbs / 19-25 N-m
Thermostat Cover - 2 Bolts 14-19 ft-lbs / 19-25 N-m
Cylinder Head Bolts (Stages and Correct Order Required) 56-60 ft-lbs / 76-81 N-m
Fuel Rail 14-19 ft-lbs / 19-25 N-m

Intake / Exhaust Torque Specifications

Intake / Exhaust Torque Specifications
Item Torque Specs
Airflow Meter Bolts 69-95 in-lbs
Intake Manifold Bracket 27-40 ft-lbs / 36-54 N-m
O2 Sensor By feel, as close to 22-36 ft-lbs as possible
Exhaust Header Nuts 28-34 ft-lbs / 38-46 N-m
Exhaust Pipe Clamp Bolt (to Bell Housing) 15-20 ft-lbs / 21-27 N-m
Cat Converter Nuts (Both Ends) 30-41 ft-lbs / 40-55 N-m
Bell Housing Bolts 48-65 ft-lbs / 65-88 N-m

Clutch Torque Specifications

Clutch Torque Specifications
Item Torque Specs
Transmission Front Cover Bolts 14-18 ft-lbs / 19-24 N-m
Flywheel Bolts 71-75 ft-lbs / 96-102 N-m
Pressure Plate Bolts 14-19 ft-lbs / 19-25 N-m
Prop Shaft Nuts 20-22 ft-lbs / 27-30 N-m
Power Plant Frame Bolts 77-91 ft-lbs / 104-123 N-m
Starter Motor Mounting Bracket Bolts 28-38 ft-lbs / 38-51 N-m
Starter Motor Bolts 28-38 ft-lbs / 38-51 N-m
Slave Cylinder Fluid Tube 9-16 ft-lbs (113-190 in-lbs)
Slave Cylinder Mounting Bolts 12-16 ft-lbs / 16-22 N-m
Bell Housing Bolts 48-65 ft-lbs / 65-88 N-m

Info originally available from Beavis Motorsport