1. Hex bolt (4.8, 4T)
2. Hex bolt (4.8, 4T)
3. Flange bolt (4.8, 4T)
4. Flange bolt (4.8, 4T)
5. Hex bolt (7T)
6. Flange bolt (7T)
7. Hex bolt (Thermally refined 8.8)
8. Hex bolt (Thermally refined 8.8)
9. Hex bolt (Non-thermally refined 8.8)
10. Hex bolt (Non-thermally refined 8.8)
11. Flange bolt (8.8)
12. Flange bolt (8.8)
13. Hex bolt (9.8, 9T)
14. Hex bolt (9.8, 9T)
15. Flange bolt (9.8, 9T)
16. Flange bolt (9.8, 9T)
Pipe diameter
Tightening torque for medium and heavy
duty vehicles
Flare nut width across flats
Old
New
Tightening torque for
the flare nut
Service standard value
:
4.6 mm { 0.181 in }
:
12.8 to 18.6 N
・
m { 1.3 to 1.9 kgf
・
m / 9 to 14 lb
・
ft }
:
14 mm
{ 0.55 in }
:
14 mm
{ 0.55 in }
:
6.35 mm { 0.25 in }
:
23.5 to 49.0 N
・
m { 2.4 to 5.0 kgf
・
m / 17 to 36 lb
・
ft }
:
17 mm
{ 0.67 in }
:
17 mm
{ 0.67 in }
:
8.0 mm { 0.31 in }
:
23.5 to 49.0 N
・
m { 2.4 to 5.0 kgf
・
m / 17 to 36 lb
・
ft }
:
19 mm
{ 0.75 in }
:
17 mm
{ 0.67 in }
:
10.0 mm { 0.39 in }
:
44.1 to 93.2 N
・
m { 4.5 to 9.5 kgf
・
m / 33 to 69 lb
・
ft }
:
22 mm
{ 0.87 in }
:
19 mm
{ 0.75 in }
:
12.0 mm { 0.47 in }
:
58.8 to 137.3 N
・
m { 6.0 to 14.0 kgf
・
m / 43 to 101 lb
・
ft }
:
27 mm
{ 1.06 in }
:
24 mm
{ 0.94 in }
:
15.0 mm { 0.59 in }
:
78.5 to 156.9 N
・
m { 8.0 to 16.0 kgf
・
m / 58 to 116 lb
・
ft }
:
30 mm
{ 1.18 in }
:
30 mm
{ 1.18 in }
Service Information Guide (All) 14A-17