Discovery 2. Manual — part 16
TORQUE WRENCH SETTINGS
06-1
TORQUE WRENCH SETTINGS
Maintenance
TORQUE DESCRIPTION
METRIC
IMPERIAL
Wheel nuts
140 Nm
(103 lbf.ft)
V8 oil drain plug
33 Nm
(24 lbf.ft)
Td5 oil drain plug
23 Nm
(17 lbf.ft)
Oil filter element, tighten two thirds of a turn by hand or to -
17 Nm
(13 lbf.ft)
Manual gearbox oil drain plug
50 Nm
(37 lbf.ft)
Manual gearbox oil filler/level plug
30 Nm
(22 lbf.ft)
Automatic gearbox oil drain plug
15 Nm
(11 lbf.ft)
Automatic gearbox oil drain plug
30 Nm
(22 lbf.ft)
Transfer gearbox oil drain plug
30 Nm
(22 lbf.ft)
Transfer gearbox oil filler/level plug
25 Nm
(18 lbf.ft)
Axle oil drain plug
64 Nm
(47 lbf.ft)
Axle oil filler/level plug
10 Nm
(7 lbf.ft)
TORQUE WRENCH SETTINGS
06-2
Engine Td5
TORQUE DESCRIPTION
METRIC
IMPERIAL
ACE pump bolts
25 Nm
(18 lbf.ft)
A/C compressor bolts
25 Nm
(18 lbf.ft)
Alternator support bracket to cylinder head bolts
25 Nm
(18 lbf.ft)
Alternator/vacuum pump oil feed pipe union
10 Nm
(7 lbf.ft)
Camshaft cover to camshaft carrier bolts
10 Nm
(7 lbf.ft)
Camshaft sprocket to camshaft bolts
37 Nm
(27 lbf.ft)
Centrifuge cover bolts
10 Nm
(7 lbf.ft)
Centrifuge oil drain pipe to sump bolts (or nuts)
10 Nm
(7 lbf.ft)
Centrifuge to oil drain pipe bolts
10 Nm
(7 lbf.ft)
Centrifuge to oil cooler housing bolts
25 Nm
(18 lbf.ft)
CKP sensor bolt
10 Nm
(7 lbf.ft)
Coolant pipe bolt
50 Nm
(37 lbf.ft)
Connecting rod bolts, then a further 80
°
20 Nm
(15 lbf.ft)
Crankshaft pulley bolt
460 Nm
(340 lbf.ft)
Crankshaft pulley TV damper bolts
80 Nm
(59 lbf.ft)
Crankshaft rear oil seal housing bolts
10 Nm
(7 lbf.ft)
Cylinder head bolts initial tighten
30 Nm
(22 lbf.ft)
Cylinder head bolts final tighten, then a further 90
°
, then a further 180
°
and finally a
further 45
°
65 Nm
(48 lbf.ft)
Dipstick tube to camshaft carrier bolt
10 Nm
(7 lbf.ft)
Drive plate (automatic transmission) to crankshaft bolts
115 Nm
(85 lbf.ft)
EGR pipe clamp to cylinder head bolt - if fitted
25 Nm
(18 lbf.ft)
EGR pipe Allen screws
10 Nm
(7 lbf.ft)
Engine mounting (front) to cylinder block bolts
48 Nm
(35 lbf.ft)
Engine mounting (front) to chassis nuts
85 Nm
(63 lbf.ft)
Engine mounting bracket (rear, LH & RH) to gearbox bolts
85 Nm
(63 lbf.ft)
Engine mounting bracket (rear, LH & RH) nuts
45 Nm
(33 lbf.ft)
Flywheel to crankshaft (manual transmission) bolts, then a further 90
°
40 Nm
(30 lbf.ft)
Front crossmember bolts
26 Nm
(20 lbf.ft)
Fuel connector block bolts
25 Nm
(18 lbf.ft)
Fuel cooler to inlet manifold bolts
25 Nm
(18 lbf.ft)
Gearbox housing to engine bolts
50 Nm
(37 lbf.ft)
Heater pipe to cylinder head bolts
25 Nm
(18 lbf.ft)
Main bearing cap bolts then a further 90
°
33 Nm
(24 lbf.ft)
Oil cooler housing to cylinder block bolts
25 Nm
(18 lbf.ft)
Oil cooler pipe clip bolts
10 Nm
(7 lbf.ft)
Oil filter adaptor housing to oil cooler housing bolts
25 Nm
(18 lbf.ft)
Oil pick-up strainer Torx screws +
10 Nm
(7 lbf.ft)
Oil pressure switch
15 Nm
(11 lbf.ft)
Oil pump drive sprocket bolt +
25 Nm
(18 lbf.ft)
Oil pump pressure relief valve plug +
25 Nm
(18 lbf.ft)
Oil pump and stiffener assembly to cylinder block bolts
13 Nm
(10 lbf.ft)
Oil sump to cylinder block bolts
25 Nm
(18 lbf.ft)
Oil sump to gearbox bell housing bolts
13 Nm
(10 lbf.ft)
PAS pump bracket bolts
27 Nm
(20 lbf.ft)
PAS pump pulley bolts
27 Nm
(20 lbf.ft)
Rocker arm adjusting screw locknuts
16 Nm
(12 lbf.ft)
TORQUE WRENCH SETTINGS
06-3
+ Apply sealant, Part No. STC 50552 to threads
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 Allen screw +
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
* 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)
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