Discovery 2. Manual — part 388
TORQUE WRENCH SETTINGS
06-3
Rocker shaft bolts
32 Nm
(24 lbf. ft)
Timing chain adjustable guide bolt
25 Nm
(18 lbf.ft)
Timing chain cover bolts
27 Nm
(20 lbf.ft)
Timing chain cover to cylinder block stud
7 Nm
(5.2 lbf.ft)
Timing chain fixed guide retaining pin
25 Nm
(18 lbf.ft)
Timing chain cover to cylinder head nut and bolt
25 Nm
(18 lbf.ft)
Timing chain fixed guide (M6) bolt
10 Nm
(7 lbf.ft)
Timing chain fixed guide (M10) bolt
45 Nm
(33 lbf.ft)
Timing chain lubrication jet bolt
10 Nm
(7 lbf.ft)
Timing chain tensioner
45 Nm
(33 lbf.ft)
Torque converter to drive plate (automatic transmission) bolts
50 Nm
(37 lbf.ft)
Turbocharger heatshield bolts
10 Nm
(7 lbf.ft)
Turbocharger oil feed pipe banjo bolt
25 Nm
(18 lbf.ft)
Turbocharger to exhaust manifold nuts
30 Nm
(22 lbf.ft)
Vacuum pump oil feed pipe to cylinder head union
10 Nm
(7 lbf.ft)
Viscous fan nut
45 Nm
(33 lbf.ft)
Fuel spill return pipe unions - if fitted
20 Nm
(15 lbf.ft)
TORQUE DESCRIPTION
METRIC
IMPERIAL
TORQUE WRENCH SETTINGS
06-4
Engine V8
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 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
85 Nm
(63 lbf.ft)
Drive plate and clamp ring
45 Nm
(33 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
(15 lbf.ft)
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)
TORQUE WRENCH SETTINGS
06-5
Emission control - Td5
Emission control - V8
Engine management system - Td5
TORQUE DESCRIPTION
METRIC
IMPERIAL
EGR valve pipe Allen screws
10 Nm
(7 lbf.ft)
EGR valve to inlet manifold bolts
10 Nm
(7 lbf.ft)
EGR intake pipe clip to cylinder head bolts - if fitted
25 Nm
(18 lbf.ft)
EGR cooler to cylinder head nut and bolts - if fitted
25 Nm
(18 lbf.ft)
TORQUE DESCRIPTION
METRIC
IMPERIAL
HO
2
S Sensors
45 Nm
(33 lbf.ft)
SAI air manifold union nuts
25 Nm
(18 lbf.ft)
Rubber mountings to SAI pump bracket
10 Nm
(7 lbf.ft)
SAI control valve to manifold bolts
10 Nm
(7 lbf.ft)
SAI pump to bracket nuts
10 Nm
(7 lbf.ft)
SAI pump bracket to body bolt
20 Nm
(15 lbf.ft)
Vacuum reservoir to mounting bracket bolt
10 Nm
(7 lbf.ft)
TORQUE DESCRIPTION
METRIC
IMPERIAL
ECT sensor
15 Nm
(11 lbf.ft)
Fuel tank cradle
45 Nm
(33 lbf.ft)
CKP sensor
10 Nm
(7 lbf.ft)
MAP and IAT sensor
10 Nm
(7 lbf.ft)
Fuel cooler to inlet manifold - upper bolts
25 Nm
(18 lbf.ft)
Turbocharger to exhaust manifold
30 Nm
(22 lbf.ft)
Turbocharger drain pipe
10 Nm
(7 lbf.ft)
Banjo bolt to oil feed pipe
25 Nm
(18 lbf.ft)
Fuel temperature sensor
14 Nm
(10 lbf.ft)
Pressure regulator
25 Nm
(18 lbf.ft)
Glow plugs
16 Nm
(12 lbf.ft)
EUI clamp bolts
32 Nm
(24 lbf.ft)
EGR valve to exhaust manifold
10 Nm
(7 lbf.ft)
EGR valve to inlet manifold
10 Nm
(7 lbf.ft)
EGR clip
25 Nm
(18 lbf.ft)
TORQUE WRENCH SETTINGS
06-6
Engine management system - V8
Cooling system
Manifolds and exhaust systems - Td5
TORQUE DESCRIPTION
METRIC
IMPERIAL
Spark plugs
20 Nm
(15 lbf.ft)
Fuel tank cradle
45 Nm
(33 lbf.ft)
ECT sensor
10 Nm
(7 lbf.ft)
CKP sensor
6 Nm
(4.4 lbf.ft)
CMP sensor
8 Nm
(6 lbf.ft)
KS sensor
22 Nm
(16 lbf.ft)
Throttle body
10 Nm
(7 lbf.ft)
Plenum chamber
22 Nm
(16 lbf.ft)
Breather adaptor
6 Nm
(4.4 lbf.ft)
Throttle cable abutment bracket
10 Nm
(7 lbf.ft)
TP sensor
2.2 Nm
(1.6 lbf.ft)
IACV sensor
8 Nm
(6 lbf.ft)
HO
2
S sensor
45 Nm
(33 lbf.ft)
Ignition coils
8 Nm
(6 lbf.ft)
Fuel rail
9 Nm
(7 lbf.ft)
TORQUE DESCRIPTION
METRIC
IMPERIAL
Cylinder block drain plug
30 Nm
(22 lbf.ft)
Coolant pump
24 Nm
(18 lbf.ft)
Coolant pump pulley
22 Nm
(16 lbf.ft)
Coolant pump cover - Td5
10 Nm
(7 lbf.ft)
TORQUE DESCRIPTION
METRIC
IMPERIAL
Front pipe to turbocharger
27 Nm
(20 lbf.ft)
Inlet manifold
25 Nm
(18 lbf.ft)
Tail pipe
25 Nm
(18 lbf.ft)
Fuel cooler
25 Nm
(18 lbf.ft)
EGR valve
10 Nm
(7 lbf.ft)
Exhaust manifold
25 Nm
(18 lbf.ft)
Exhaust manifold heatshield (M6) bolts
10 Nm
(7 lbf.ft)
Exhaust manifold heatshield (M8) bolts
25 Nm
(18 lbf.ft)
EGR pipe Allen screws
10 Nm
(7 lbf.ft)
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