Engine (1.6L) - NA Miata Torque Specs
A/C Compressor-To-Bracket Bolt
11-16 lb-ft
15-22 N-m
Alternator Top Bolt
27-38 lb-ft
37-52 N-m
Axle Shaft Bolt
174-235 lb-ft
235-319 N-m
Camshaft Sprocket Bolt
36-45 lb-ft
49-61 N-m
Connecting Rod Cap Nut⁽¹⁾
37-40 lb-ft
50-54 N-m
Crankshaft Pulley Attaching Bolts
9-13 lb-ft
12-18 N-m
Crankshaft/Timing Belt Sprocket Bolt
116-123 lb-ft
157-167 N-m
Crossmember-To-Frame Bolt
47-66 lb-ft
63-89 N-m
Cylinder Head Bolt - Step 1⁽²⁾
35-40 lb-ft
47-54 N-m
Cylinder Head Bolt - Step 2 (Final)⁽²⁾
56-60 lb-ft
76-81 N-m
Distributer Bolt
14-19 lb-ft
19-26 N-m
Drive Shaft Bolts
20-22 lb-ft
27-30 N-m
Engine Mount-To-Frame Nut
42-57 lb-ft
57-77 N-m
Exhaust Header Pipe-To-Manifold Nut
23-34 lb-ft
31-46 N-m
Exhaust Manifold-To-Head Bolt⁽¹⁾
28-34 lb-ft
38-46 N-m
Flywheel Bolt
71-76 lb-ft
96-103 N-m
Fuel Rail Bolt
14-19 lb-ft
19-26 N-m
Intake Manifold Support Bracket
14-19 lb-ft
19-26 N-m
Intake Manifold Bolt/Nut⁽¹⁾
14-19 lb-ft
19-26 N-m
Main Bearing Cap Bolt - Step 1⁽¹⁾
22-27 lb-ft
30-37 N-m
Main Bearing Cap Bolt - Step 1 (Final)⁽¹⁾
40-43 lb-ft
54-58 N-m
Main Bearing Plate-To-Motor Mount Nut
42-58 lb-ft
57-79 N-m
Motor Mount-To-Engine Bolt
27-40 lb-ft
37-54 N-m
Oil Pan Support-To-Transaxle
38-51 lb-ft
52-69 N-m
Oil Pump-To-Block Bolt
14-19 lb-ft
19-26 N-m
PPF/Diff Spacer Mounting Bolt⁽²⁾
27-38 lb-ft
37-52 N-m
PPF-To-Trans Long Mounting Bolt⁽²⁾
77-91 lb-ft
104-123 N-m
PPF-To-Trans Side Mounting Bolt⁽²⁾
77-91 lb-ft
104-123 N-m
PPF/Trans Rear Bracket Mounting Bolt
27-40 lb-ft
37-54 N-m
Spark Plug
11-17 lb-ft
15-23 N-m
Timing Belt Tensioner Bolt
27-38 lb-ft
37-52 N-m
Water Pump Bolt
14-19 lb-ft
19-26 N-m
Camshaft Cap Bolt (DOHC)⁽³⁾
100-125 lb-in⁽⁴⁾
11.3-14.1 N-m
Cam/Rocker Cover Bolt DOHC (Top)
43-78 lb-in⁽⁴⁾
5-9 N-m
Crankshaft Pulley Bolts
109-152 lb-in⁽⁴⁾
12-17 N-m
Oil Jet
104-156 lb-in⁽⁴⁾
12-18 N-m
Oil Pan Bolt
69-95 lb-in⁽⁴⁾
8-11 N-m
Oil Strainer Bolt
69-95 lb-in⁽⁴⁾
8-11 N-m
Water Pump Pulley Bolt
69-95 lb-in⁽⁴⁾
8-11 N-m
⁽¹⁾Tighten Evenly to Spec in Alternating Sequence
⁽²⁾Tighten in Sequence. See Fig.4
⁽³⁾Tighten in Sequence. See Fig. 8
⁽⁴⁾lb-INCH
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