4.0 Service Tools
DETROIT DIESEL 53
SPECIFICATIONS
STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
THREAD
TORQUE
THREAD
TORQUE
SIZE
(Ib-ft)
SIZE
(Ib-ft)
1/4 -20 ................................................ 7-9
9/16-12 ....................................................... 90-100
1/4 -28 ...............................................8-10
9/16-18 ..................................................... 107-117
5/16-18.............................................13-17
5/8 -11...................................................... 137-147
5/16-24.............................................15-19
5/8 -18...................................................... 168-178
3/8 -16 .............................................30-35
3/4 -10...................................................... 240-250
3/8 -24 .............................................35-39
3/4 -16...................................................... 290-300
7/16-14.............................................46-50
7/8 - 9....................................................... 410-420
7/16-20.............................................57-61
7/8 -14...................................................... 475-485
1/2 -130............................................71-75
1 -8........................................................... 580-590
1/2 -20 .............................................83-93
1 -14......................................................... 685-695
EXCEPTIONS TO STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
APPLICATION
TORQUE
(Ib-ft)
Oil filter center stud .................................................................................
40-50
Oil pan drain plug (Nylon washer) 18mm.................................................
25-35
SERVICE TOOLS
TOOL NAME
TOOL NO.
Crankshaft and oil pump gear puller .....................................................................
J 3051
Oil pump drive gear installer ................................................................................
J 8968-01
Oil pump drive gear adaptor.................................................................................
J 23126
Two-arm steel grip puller J 8174
1971 General Motors Corp.
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