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)