Miata Torque Specifications

(Originally compiled by the San Diego Miata Club)

Except where noted, all torque specifications listed are in Foot-pounds / Newton-meters.

General

Spark plugs 11-17 (132-204 in-lbs)
Engine oil drain plug (19mm) 22-30/31-41
Gearbox drain plug (24mm) 29-43/39-59
Gearbox fill plug (square) 18-29/25-39
Differential drain plug (24mm) 29-40/39-54
Differential fill plug (23mm) 29-40/39-54
Wheel lug nuts 66-86/89-117

Suspension

Swaybar bushing bolts, front
rear
13-20/18-26
14-21/20-28
Swaybar end link bolts, both ends 27-40/36-54
Upper shock mount plate bolts 22-27/29-36
Upper shock nuts 23-34/31-46
Lower shock bolt 54-69/73-93
Lower control arm bolt, front 54-69/73-93
Spindle (vertical) bolt 54-69/73-93
Camber adjustment bolts, (D or H-style) front
rear
69-83/94-112
54-70/73-95

Brakes

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

Engine & Cooling

Crank pulley bolt (1990 - early 1991) 80-87/108-118
(plus Loctite 242-blue)
Crank pulley bolt (late 1991 - present) 116-122/157-165
(plus Loctite 242-blue)
Cam cover bolts (must be done in correct order 43-78 in-lbs
Alternator mounting bolt 27-38/37-52
Alternator tension adjustment bolt 14-19/19-25
Water pump - 4 bolts to block 14-19/19-25
Water inlet pipe - 2 bolts to water pump 14-19/19-25
Radiator - upper bolts 14-19/19-25
Thermostat cover - 2 bolts 14-19/19-25
Timing belt tensioner bolt & idler pulley bolt 28-38/38-52
Timing belt cover bolts 14-18/19-24
Cylinder head bolts (must be done in stages and in correct order.) 56-60/76-81

Intake / Exhaust

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

Clutch

Transmission front cover bolts 14-18/19-24
Flywheel bolts 71-75/96-102
Pressure plate bolts 14-19/19-25
Bell housing bolts 48-65/65-88
Prop shaft nuts 20-22/27-30
Power plant frame bolts 77-91/104-123
Starter motor bolts 28-38/38-51
Starter motor mounting bracket bolts 28-38/38-51
Slave cylinder fluid tube 9-16 (113-190 in. lbs.)
Slave cylinder mounting bolts 12-16/16-22
Back to the Garage

12 February, 2002



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