300Tdi Discovery
V8i
1
SPECIFICATIONS, TORQUE
TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
Engine
Adaptor plate to crankshaft
84
........................................................................
Generator and power steering mounting bracket to cylinder head
30
............
Cylinder head:
Stage 1:
20
.............................................................................................
Stage 2: - Further 180
° ±
5
°
Drive plate to converter
39
..............................................................................
Engine mountings to engine and chassis
55
..................................................
Engine mounting rubbers to brackets
30
........................................................
Flexible drive plate to crankshaft adaptor plate
41
..........................................
**
Flywheel to crankshaft bolts
78
.......................................................................
**
Lifting eye to cylinder heads
39
......................................................................
Main bearing cap rear bolts
92
.......................................................................
*
Oil sump drain plug
40
....................................................................................
Oil sump to cylinder block
18
..........................................................................
Rocker cover to cylinder head
9
....................................................................
Rocker shaft bracket to cylinder head
38
........................................................
Spark plug
21
..................................................................................................
Starter motor attachment
44
...........................................................................
* These bolts must have threads coated in lubricant EXP16A before assembly.
** These bolts must have threads coated in sealant Loctite 270
METRIC
Nm
M5
6
......................................................................................................
M6
9
......................................................................................................
M8
25
.....................................................................................................
M10
45
...................................................................................................
M12
90
...................................................................................................
M14
105
..................................................................................................
M16
180
..................................................................................................
UNC / UNF
1/4
9
......................................................................................................
5/16
24
...................................................................................................
3/8
39
.....................................................................................................
7/16
78
...................................................................................................
1/2
90
.....................................................................................................
5/8
136
....................................................................................................
NOTE: Torque values above are for all screws and bolts used except for those specified.
