Discovery II
TORQUE WRENCH SETTINGS
06-4
Engine V8
* New bolts must be fitted
+ Apply sealant, Part Number STC 50552 to threads
TORQUE DESCRIPTION
METRIC
IMPERIAL
Engine mounting bolts (rear, LH & RH) to gearbox bolts
85 Nm
(63 lbf.ft)
Engine mounting (rear, LH & RH) nuts
45 Nm
(33 lbf.ft)
Cylinder head bolts tighten, then 90
°
, then a further 90
°
*
20 Nm
(15 lbf.ft)
Rocker shaft bolts
40 Nm
(30 lbf.ft)
Alternator mounting bracket
40 Nm
(30 lbf.ft)
Auxiliary drive belt tensioner
45 Nm
(33 lbf.ft)
Engine earth lead
22 Nm
(16 lbf.ft)
Rocker cover screws/bolts *
8 Nm
(6 lbf.ft)
Torque converter to drive plate
50 Nm
(37 lbf.ft)
A/C compressor
22 Nm
(16 lbf.ft)
ACE pump
22 Nm
(16 lbf.ft)
Flywheel to crankshaft
78 Nm
(58 lbf.ft)
Crankshaft sensor
6 Nm
(5 lbf.ft)
Crankshaft sensor cover
6 Nm
(5 lbf.ft)
Spacer and hub to crankshaft - Early engines
85 Nm
(63 lbf.ft)
Drive plate and clamp ring - Early engines
45 Nm
(33 lbf.ft)
Drive plate to crankshaft Allen bolts - Later engines
85 Nm
63 lbf.ft)
Oil pick up strainer
10 Nm
(7 lbf.ft)
Filter head adaptor
13 Nm
(10 lbf.ft)
Filter head
8 Nm
(6 lbf.ft)
Sump bolts
22 Nm
(16 lbf.ft)
Oil pressure switch
15 Nm
(11 lbf.ft)
Timing gear cover to cylinder block +
22 Nm
(16 lbf.ft)
Oil cooler pipe to timing gear cover
15 Nm
(11 lbf.ft)
Crankshaft pulley bolt
270 Nm
(200 lbf.ft)
Coolant outlet elbow
22 Nm
(16 lbf.ft)
Auxiliary housing
40 Nm
(30 lbf.ft)
Jockey pulley
50 Nm
(37 lbf.ft)
Camshaft gear
50 Nm
(37 lbf.ft)
Rocker shaft bolts
40 Nm
(30 lbf.ft)
Connecting rod bolts
Final torque - turn through 80°
°
20 Nm
80°
(15 lbf.ft)
80°
Initial torque - all main bearing cap bolts and side bolts
13.5 Nm
(10 lbf.ft)
Final torque - main bearing cap side bolts 11 to 15
45 Nm
(33 lbf.ft)
Final torque - main bearing cap bolts 1 to 8
72 Nm
(53 lbf.ft)
Final torque - main bearing cap bolts 9 and 10
92 Nm
(68 lbf.ft)
Final torque - main bearing cap side bolts 16 to 20
45 Nm
(33 lbf.ft)
Viscous fan nut
45 Nm
(33 lbf.ft)
Camshaft thrust plate bolts
22 Nm
(16 lbf.ft)
Secondary Air Injection adapters
33 Nm
(24 lbf.ft)
