Dodge ram truck 3500 1996 Service Manual page 14

8 I N T R O D U C T I O N _
G E N E R A L I N F O R M A T I O N ( C o n t i n u e d )
FASTENER IDENTIFICATION
bolt Markings and Torque - Metric
Commercial Steel Class
8.8 10.9 12.9
Body
Size Torque Torque Torque
Diam.
Cast Iron
Aluminum
Cast Iron Aluminum
Cast Iron
Aluminum
mm N»m
ft-lb ft-lb ft-lb N®m
ft-lb ft-lb
N»m ft-lb
6
9
5 7 4 14 9 11 7
14
9 11 7
7 14 9 11 7 18 14 14 11 23 18 18 14
8 25 18 18 14 32 23 25 18 36 27 28 21
10 40 30 30 25 60 45 45 35 70 50 55 40
12 70 55 55 40 105 75 80 60 125 95 100 75
14 115 85 90 65 160 120 125 95 195 145 150 110
16 180 130 140 100 240 175 190 135 290 210 220 165
18 230 170 180 135 320 240 250 185 400 290 310 230
Bolt Markings and Torque Values - U.S. Customary
SAE Grade Number 5 8
Bolt Head Markings
These are all SAE Grade 5 (3) line
Bolt Torque - Grade 5 Bolt Bolt Torque - Grade 8 Bolt
Body Size Cast Iron Al uminum Cast Iron
Aluminum
ft-lb N®m 1Mb
ft-lb ft-lb
1/4 -20 9 7 8 6 15 11 12 9
- 28 12 9 9 7 18 13 14 10
5/16 - 18 20 15 16 12 30 22 24 18
- 24 23 17 19 14 33 24 25 19
3/8 - 16 40 30 25 20 55 40 40 30
- 24 40 30 35 25 60 45 45 35
7/16 - 14 60 45 45 35 90 65 65 50
-20 65 50 55 40 95 70 75 55
1/2 - 13 95 70 75 55 130 95 100 75
-20 100 75 80 60 150 110 120 90
9/16 - 12 135 100 110 80 190 140 150 110
- 18 150 110 115 85 210 155 170 125
5/8-11 180 135 150 n o 255 190 205 150
- 18 210 155 160 120 290 215 230 170
3/4 - 10 325 240 255 190 460 340 365 270
- 16 365 270 285 210 515 380 410 300
7/8 -9 490 360 380 280 745 550 600 440
- 14 530 390 420 310 825 610 660 490
1 -8 720 530 570 420 1100 820 890 660
- 14 800 590 650 480 1200 890 960 710
95IN-6