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)