Miata torque specifications

Written by the San Diego Miata Club

Read more about torque settings here

SUSPENSION:

Swaybar bushing bolts, front
rear
13-20 lbf-ft / 18-26 Nm
14-21 lbf-ft / 20-28 Nm
Swaybar end link bolts, both ends 27-40 lbf-ft / 36-54 Nm
Upper shock mount plate bolts 22-27 lbf-ft / 29-36 Nm
Upper shock nuts 23-34 lbf-ft / 31-46 Nm
Lower shock bolt 54-69 lbf-ft / 73-93 Nm
Lower control arm bolt, front 54-69 lbf-ft / 73-93 Nm
Spindle (vertical) bolt 54-69 lbf-ft / 73-93 Nm
Rear, 14mm swivel pin 
(wishbone / hub connection, horizontal)
42 lbf-ft / 60 Nm
17mm nut under front shock 54-69 lbf-ft / 73-93 Nm
Camber adjustment bolts, (D or H-style) front
rear
69-83 lbf-ft / 94-112 Nm
54-70 lbf-ft / 73-95 Nm
Wheel nuts 65-87 lbf-ft / 88-118 Nm

TIMING BELT:

Crank pulley bolt (1990) 80-87 lbf-ft / 108-118  Nm
(plus Loctite 242-blue)
Crank pulley bolt (1991 - present) 116-122 lbf-ft / 157-165 Nm
(plus Loctite 242-blue)
Cam cover bolts 43-78 in-lbs / 4.9-8.8 Nm
Alternator lower mounting bolt (14mm) 27-38 lbf-ft / 37-52 Nm
Alternator tension adjustment bolt (12mm lock bolt) 14-19 lbf-ft / 19-25 Nm
Timing belt tensioner bolt
& idler pulley bolt
28-38 lbf-ft / 38-52 Nm
Camshaft Pulley bolt 40 lbf-ft / 55 Nm
Water pump bolts 17 lbf-ft / 22 Nm
Water pump pulley bolts (10mm) 85 in-lbs / 9  Nm (fingertip pressure, plus Loctite)
Timing belt cover bolts 14-18 / 19-24 Nm

INTAKE/EXHAUST:

Airflow meter bolts 69-95 in-lbs / 7.8-11 Nm
Intake manifold bracket 27-40 lbf-ft / 36-54 Nm
O2 sensor by feel, as close to
22-36 ft-lbs as possible
Exhaust pipe clamp bolt (to bell housing) 15-20 lbf-ft / 21-27 Nm
Bell housing bolts 48-65 lbf-ft / 65-88 Nm
Exhaust header nuts 28-34 lbf-ft / 38-46 Nm
Cat converter nuts (both ends) 30-41 lbf-ft / 40-55 Nm

GENERAL MAINTENANCE:

Spark plugs 11-17  Nm(132-204 in-lbs)
Engine oil drain plug (19mm) 22-30 lbf-ft / 31-41 Nm
Gearbox drain plug (24mm) 29-43 lbf-ft / 39-59 Nm
Gearbox fill plug (square) 18-29 lbf-ft / 25-39 Nm
Differential drain plug (24mm) 29-40 lbf-ft / 39-54 Nm
Differential fill plug (23mm) 29-40 lbf-ft / 39-54 Nm

 ACCESSORIES BELT:

Airco without Power Steering:  
idler pulley bolt 27-38 lbf-ft / 37-52 Nm
Airco with Power Steering:  
14mm Pivot bolt 24-33 lbf-ft / 32-46 Nm
12mm lock nut 14-18 lbf-ft / 19-25 Nm
nut behind pulley 27-39 lbf-ft / 37-53 Nm

CLUTCH:

Transmission front cover bolts 14-18 lbf-ft / 19-24 Nm
Flywheel bolts 71-75 lbf-ft / 96-102 Nm
Pressure plate bolts 14-19 lbf-ft / 19-25 Nm
Bell housing bolts 48-65 lbf-ft / 65-88 Nm
Prop shaft nuts 21 lbf-ft / 29 Nm
Power plant frame bolts 77-91 lbf-ft / 104-123 Nm
Starter motor bolts 28-38 lbf-ft / 38-51 Nm
Starter motor mounting bracket bolts 28-38 lbf-ft / 38-51 Nm
Slave cylinder fluid tube 9-16  Nm (113-190 in. lbs.)
Slave cylinder mounting bolts 12-16 lbf-ft / 16-22 Nm

BRAKES:

Front/rear bracket bolts 36-51 lbf-ft / 49-69 Nm
Caliper bolts, front
rear
58-65 lbf-ft / 78-88 Nm
25-29 lbf-ft / 34-39 Nm
Front/rear banjo bolts 16-22 lbf-ft / 22-29 Nm
Rear adjuster plug bolt 9-12 lbf-ft  / 12-16 Nm

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