3 ADJUSTMENTS
18
3.20 TORQUE SPECIFICATION___________________________________________________
Jacobsen uses Grade 5 P lated bolts as standard, unless otherwise noted. For tightening plated bolts, use the value
given for lubricated.
3.21 SPECIFIC TORQUE ________________________________________________________
1. Tie rod ball joints: (2) 30 - 35 ft. lb. (41 - 47 Nm)
2. Engine drain plugs: 22 ft. lb. (30 Nm)
3. Steering ball joints: 50 - 55 ft. lb. (68 - 75 Nm)
4. Steering wheel nut: 30-40 ft. lb (41 - 51 Nm)
5. Wheel hardware:65 - 85 ft. lb. (88 - 116 Nm)
NOTICE
All torque values included in these charts are approximate and are for reference only. Use of these torque values is
at your sole risk. Jacobsen is not responsible for any loss, claim, or damage arising from the use of these charts.
Extreme caution should always be used when using any torque value.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
GRADE 5
GRADE 8
SIZE
UNITS
GRADE 5
GRADE 8
Lubricated
Dry
Lubricated
Dry
Lubri-
cated
Dry
Lubri-
cated
Dry
#6-32
in-lb (Nm)
–
20 (2.3)
–
–
7/16-14
ft-lb (Nm)
37 (50.1)
50 (67.8)
53 (71.8)
70 (94.9)
#8-32
in-lb (Nm)
–
24 (2.7)
–
30 (3.4)
7/16-20
ft-lb (Nm)
42 (56.9)
55 (74.6)
59 (80.0)
78 (105)
#10-24
in-lb (Nm)
–
35 (4.0)
–
45 (5.1)
1/2-13
ft-lb (Nm)
57 (77.2)
75 (101)
80 (108)
107 (145)
#10-32
in-lb (Nm)
–
40 (4.5)
–
50 (5.7)
1/2-20
ft-lb (Nm)
64 (86.7)
85 (115)
90 (122)
120 (162)
#12-24
in-lb (Nm)
–
50 (5.7)
–
65 (7.3)
9/16-12
ft-lb (Nm)
82 (111)
109 (148)
115 (156)
154 (209)
1/4-20
in-lb (Nm)
75 (8.4)
100 (11.3)
107 (12.1)
143 (16.1)
9/16-18
ft-lb (Nm)
92 (124)
122 (165)
129 (174)
172 (233)
1/4-28
in-lb (Nm)
85 (9.6)
115 (13.0)
120 (13.5)
163 (18.4)
5/8-11
ft-lb (Nm)
113 (153)
151 (204)
159 (215)
211 (286)
5/16-18
in-lb (Nm)
157 (17.7)
210 (23.7)
220 (24.8)
305 (34.4)
5/8-18
ft-lb (Nm)
128 (173)
170 (230)
180 (244)
240 (325)
5/16-24
in-lb (Nm)
173 (19.5)
230 (26.0)
245 (27.6)
325 (36.7)
3/4-10
ft-lb (Nm)
200 (271)
266 (360)
282 (382)
376 (509)
3/8-16
ft-lb (Nm)
23 (31.1)
31 (42.0)
32 (43.3)
44 (59.6)
3/4-16
ft-lb (Nm)
223 (302)
298 404
315 (427)
420 (569)
3/8-24
ft-lb (Nm)
26 (35.2)
35 (47.4)
37 (50.1)
50 (67.8)
7/8-14
ft-lb (Nm)
355 (481)
473 (641)
500 (678)
668 (905)
METRIC FASTENERS
SIZE
UNITS
Non Critical
Fasteners
into
Aluminum
Lubricated
Dry
Lubricated
Dry
Lubricated
Dry
Lubricated
Dry
M4
Nm (in-lb)
–
–
–
–
–
–
3.83 (34)
5.11 (45)
2.0 (18)
M5
Nm (in-lb)
1.80 (16)
2.40 (21)
4.63 (41)
6.18 (54)
6.63 (59)
8.84 (78)
7.75 (68)
10.3 (910
4.0 (35)
M6
Nm (in-lb)
3.05 (27)
4.07 (36)
7.87 (69)
10.5 (93)
11.3 (102)
15.0 (133)
13.2 (117)
17.6 (156)
6.8 (60)
M8
Nm (in-lb)
7.41 (65)
9.98 (88)
19.1 (69)
25.5 (226)
27.3 (241)
36.5 (323)
32.0 (283)
42.6 (377)
17.0 (150)
M10
Nm (ft-lb)
14.7 (11)
19.6 (14)
37.8 (29)
50.5 (37)
54.1 (40)
72.2 (53)
63.3 (46)
84.4 (62)
33.9 (25)
M12
Nm (ft-lb)
25.6 (19)
34.1 (25)
66.0 (48)
88.0 (65)
94.5 (70)
125 (92)
110 (81)
147 (108)
61.0 (45)
M14
Nm (ft-lb)
40.8 (30)
54.3 (40)
105 (77)
140 (103)
150 (110)
200 (147)
175 (129)
234 (172)
94.9 (70)
4.6
8.8
10.9
12.9