Engine (1.8L VVT) - NB Miata Torque Specs
Camshaft Pulley Bolt w/ VVT Actuator
37-44 lb-ft
50-60 N-m
Camshaft Pulley Bolt w/o VVT Actuator
47-61 lb-ft
63-83 N-m
Connecting Rod Nuts
35-37 lb-ft
48-50 N-m
Crankshaft Pulley Bolts
9.1-12.6 lb-ft
12.3-17.1 N-m
Crankshaft Pulley Boss Bolt
116-122 lb-ft
157-166 N-m
Cylinder Head Bolts⁽¹⁾⁽²⁾
56-60 lb-ft
76-81 N-m
Drive Plate/Flywheel Bolts
72-75 lb-ft
97-102 N-m
Intake Manifold Nuts
14-18 lb-ft
19-25 N-m
Lower Oil Control Valve Pipe Bolt 1⁽³⁾
12-17 lb-ft
16-23 N-m
Lower Oil Control Valve Pipe Bolt 2⁽³⁾
26-35 lb-ft
35-47 N-m
Lower Oil Control Valve Pipe Bolt 3⁽³⁾
71-97 lb-in⁽⁴⁾
8-11 N-m
Main Bearing Cap Bolts⁽¹⁾⁽⁵⁾
40-43 lb-ft
54-58 N-m
MBSP Bolts
12-15 lb-ft
16-21 N-m
Oil Jet Bolt
8.7-12.9 lb-ft
11.8-17.6 N-m
Oil Pressure Switch
9-13 lb-ft
11.8-17.6 N-m
Oil Pump Bolts
14-18 lb-ft
19-25 N-m
Pulley Boss Bolt
116-122 lb-ft
157-166 N-m
Spark Plug
11-16 lb-ft
15-22 N-m
Thermostat Housing Bolts
14-18 lb-ft
19-25 N-m
Timing Belt Pulley Bolt
28-38 lb-ft
38-51 N-m
Timing Belt Tensioner Bolt
28-38 lb-ft
38-51 N-m
Water Pump Bolts
14-18 lb-ft
19-25 N-m
Camshaft Cap Bolts⁽⁶⁾
100-125 lb-in⁽⁴⁾
11.3-14.2 N-m
Cylinder Head Cover Bolts⁽⁷⁾
44-78 lb-in⁽⁴⁾
5-8.8 N-m
End Plate Bolts
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
Dipstick Tube Bolt
71-97 lb-in⁽⁴⁾
8-11 N-m
Oil Control Valve Adapter Bolt
70.8-97.3 lb-in⁽⁴⁾
8-11 N-m
Oil Control Valve Case Bolts⁽⁸⁾
70.8-97.3 lb-in⁽⁴⁾
8-11 N-m
Oil Pan Bolts
71-97 lb-in⁽⁴⁾
8-11 N-m
Oil Pump Cover Bolts
52.2-77.8 lb-in⁽⁴⁾
5.9-8.8 N-m
Oil Strainer Bolts/Nut
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
Rear Cover Bolt
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
Seal Plate Bolts⁽⁹⁾
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
Timing Case Bolts⁽¹⁰⁾
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
Upper Oil Control Valve Pipe Bolts⁽¹¹⁾
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
Variable Tumble Control Shutter Valve Bolt
69.5-95.4 lb-in⁽⁴⁾
7.9-10.7 N-m
VVT Actuator Cover Bolts
35-53 lb-in⁽⁴⁾
4-6 N-m
Water Pump Pulley Bolt
69.5-94.7 lb-in⁽⁴⁾
7.9-10.7 N-m
⁽¹⁾Tighten to specification in 2 or 3 steps.
⁽²⁾Tighten cylinder head bolts in seq. See Fig. 131
⁽³⁾Tighten lower bolts in seq. See Fig. 132
⁽⁴⁾lb-INCH
⁽⁵⁾Tighten main bearing bolts in seq. See Fig. 133
⁽⁶⁾Tighten Camshaft cap bolts in seq. See Fig 134
⁽⁷⁾Tighten cylinder head bolts in seq. See Fig. 135
⁽⁸⁾Tighten bolts in seq. See Fig. 136
⁽⁹⁾Tighten seal plate bolts in seq. See Fig. 137
⁽¹⁰⁾Tighten timing case bolts in seq. See Fig. 138
⁽¹¹⁾Tighten upper bolts in seq. See Fig. 139
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