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Always tighten fittings to these values unless a different torque value is listed
for a specific service procedure.
Make sure fastener threads are clean and threads are engaged properly.
All torque values are adopted from SAE J514 and SAE J1453.
Size
10
12
14
16
20
24
32
SAE
Dash
Size
Lbs-Ft
2
3
4
5
6
8
10
12
14
16
20
24
32
20 Appendix
FITTING TORQUE CHART
SAE (JIC)
37° Flare Thread
Size
2
5/16 - 24
3
3/8 - 24
4
7/16 - 20
5
1/2 - 20
6
9/16 - 18
8
3/4 - 16
7/8 - 14
1-1/16 - 12
1-3/16 - 12
1-5/16 - 12
1-5/8 - 12
1-7/8 - 12
2-1/2 - 12
SAE 37° Flare
N-m
4
5
8
11
12
16
15
20
18
25
37
50
48
65
74
100
88
120
100
135
133
180
166
225
236
320
O-Ring Style
Straight Thread
Size
5/16 - 24
3/8 - 24
7/16 - 20
1/2 - 20
9/16 - 18
3/4 - 16
7/8 - 14
1-1/16 - 12
1-3/16 - 12
1-5/16 - 12
1-5/8 - 12
1-7/8 - 12
2-1/2 - 12
TORQUE
O-Ring Straight Thread
Lbs-Ft
N-m
4
5
9
12
16
22
22
30
35
48
60
82
105
143
140
190
184
250
221
300
258
350
317
430
---
---
Seal-Lok
Thread
---
---
9/16 - 18
---
11/16 - 16
13/16 - 16
1 - 14
1-3/16 - 12
---
1-7/16 - 12
1-11/16 - 12
2 - 12
---
Seal-Lok
Lbs-Ft
N-m
---
---
---
---
18
25
---
---
27
37
40
54
63
86
92
125
---
---
122
165
147
200
166
225
---
---
Fitting Torque Chart (7/15/2005)
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