Page 124 of 1672

MAINTENANCE
PROCEDURES 10-15
Centrifuge rotor – diesel engine
Replace
1.Replace centrifuge rotor.
+ ENGINE - Td5, REPAIRS, Rotor -
centrifuge.
Engine oil filter - diesel engine
Replace
1.Replace oil filter.
+ ENGINE - Td5, REPAIRS, Filter - oil.
Engine oil filter – V8 engine
WARNING: Avoid excessive skin contact with
used engine oil. Used engine oil contains
potentially harmful contaminants which may
cause skin cancer or other serious skin
disorders.
Replace
1.Disconnect battery.
2.Position suitable container beneath oil filter.
3.Using a strap type filter wrench, remove filter
element, discard element.
4.Smear sealing ring of replacement filter
element with engine oil.
5.Fit filter element, tighten two thirds of a turn by
hand or to 17 Nm (13 lbf.ft).
6.Top-up engine with recommended grade of oil
to correct mark on dipstick.
+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
7.Connect battery.
8.Run engine and check for oil leaks from filter.
9.Stop engine, wait for oil to return to sump.
10.Re-check oil level and top-up if necessary.
Page 125 of 1672

MAINTENANCE
10-16 PROCEDURES
Manual gearbox
WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.
Check/top-up oil level
1.Release fixings, remove rear underbelly panel.
2.Clean area around oil filler/level plug.
3.Remove oil filler/level plug.
4.Check that oil level is to bottom of oil filler/level
plug hole.
5.Top-up level (if required) with recommended oil
to bottom of filler/level plug hole.
+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
6.Remove all traces of sealant from threads of oil
filler/level plug.
7.Apply Loctite 290 to threads of oil filler/level
plug.
8. Fit manual gearbox filler/level plug and tighten
to 30 Nm (22 lbf.ft).
9.Remove all traces of oil from gearcase.
10.Fit rear underbelly panel, secure fixings.
Replace oil
1.Release fixings, remove rear underbelly panel.
2.Place a suitable container beneath gearbox
drain plug.
3.Clean area around oil filler/level and drain
plugs.4.Remove oil filler/level plug.
5.Remove oil drain plug, remove and discard
sealing washer.
6.Allow oil to drain.
7.Clean magnet in oil drain plug.
8.Fit new sealing washer to oil drain plug.
9.Fit manual gearbox drain plug and tighten to 50
Nm (37 lbf.ft).
10.Fill gearbox with recommended oil to bottom of
filler/level plug hole.
+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
11.Remove all traces of sealant from threads of oil
filler/level plug.
12.Apply Loctite 290 to threads of oil filler/level
plug.
13. Fit manual gearbox filler/level plug and tighten
to 30 Nm (22 lbf.ft).
14.Remove all traces of oil from gearcase.
15.Fit rear underbelly panel, secure fixings.
Page 127 of 1672

MAINTENANCE
10-18 PROCEDURES
Transfer box
WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.
Check/top-up oil level
1.Release fixings, remove rear underbelly panel.
2.Clean area around oil filler/level plug.
3.Remove oil filler/level plug.
4.Check that oil level is to bottom of filler/level
plug hole.
5.Top-up level (if required) with recommended oil
to bottom of oil filler/level plug hole.
+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
6.Remove all traces of sealant from threads of oil
filler/level plug.
7.Apply Loctite 290 to threads of oil filler/level
plug.
8. Fit transfer box filler/level plug and tighten to 25
Nm (18 lbf.ft).
9.Remove all traces of oil from main casing.
10.Fit rear underbelly panel (if fitted), secure
fixings.Replace oil
1. Release fixings, remove rear underbelly panel.
2.Place a suitable container beneath transfer box
drain plug.
3.Clean area around oil filler/level and drain
plugs.
4.Remove oil filler/level plug.
5.Remove oil drain plug.
6.Allow oil to drain.
7.Apply Loctite 290 to threads of oil drain plug.
8. Fit transfer box drain plug and tighten to 30
Nm (22 lbf.ft).
9.Fill transfer box with recommended oil to
bottom of oil filler/level plug hole.
+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
10.Remove all traces of sealant from threads of oil
filler/level plug.
11.Apply Loctite 290 to threads of oil filler/level
plug.
12. Fit transfer box filler/level plug and tighten to 25
Nm (18 lbf.ft).
13. Remove all traces of oil from transfer box.
14.Fit rear underbelly panel (if fitted), secure
fixings.
Page 132 of 1672
MAINTENANCE
PROCEDURES 10-23
Power steering, suspension
ACE pipes
1.Check for fluid leaks from power steering and
suspension systems.
2.Check ACE pipes and unions for chafing, leaks
and corrosion and that all pipes and hoses are
correctly routed and secure.
Engine, gearbox, transfer box and axles
Check
1.Check for oil leaks from engine, gearbox
(manual and automatic), transfer box and front
and rear axles; pay particular attention to areas
around oil seals.
Exhaust system
Check
1.Check for signs of exhaust system leaks,
damage and security.
Steering box and front suspension
Check/tighten steering box fixings
1.Check steering box fixings and tighten to 90
Nm (66 lbf.ft).
Check/tighten front axle suspension fixings
Page 174 of 1672
ENGINE - TD5
ADJUSTMENTS 12-1-35
ADJUST ME NTS
Engine oil pressure check
$% 12.90.09.01
Check
1.Remove oil pressure switch.
+ ENGINE - Td5, REPAIRS, Switch -
oil pressure.
2.Connect pressure check kit LRT-12-052C
adaptor and gauge to oil pressure switch
position on oil cooler.
3.Check and if necessary top up engine oil.
4.Run engine at idle speed and check that oil
pressure is within limits given.
+ GENERAL DATA, Engine - Td5.
5.Switch off ignition.
6.Remove pressure check kit LRT-12-052C.
7.Clean oil spillage.
8.Fit oil pressure switch.
+ ENGINE - Td5, REPAIRS, Switch -
oil pressure.
Adjust
1.If engine oil pressure is outside of specified
limits, check condition of oil pump and/or main
and connecting rod bearings.
Page 181 of 1672

ENGINE - TD5
12-1-42 REPAIRS
37.Using suitable lifting chains and tool LRT-12-
138 carefully remove cylinder head and place
on wooden blocks or stands.
CAUTION: Support both ends of cylinder
head on blocks of wood. With the camshaft
carrier bolted down, the injector nozzles
and some of the valves will protrude from
the face of the cylinder head.
38.Remove cylinder head gasket.
39.Note the gasket thickness indicator and ensure
the same thickness gasket is used on refitment
of cylinder head.
40.Remove and discard plastic dowels from
cylinder block.Refit
1.Clean mating faces of cylinder head and
cylinder block.
2.Check cylinder head for warping, across centre
and from corner to corner: – Maximum warp =
0.10 mm (0.0004 in)
CAUTION: Cylinder heads may not be
refaced, replace cylinder head if warping
exceeds figure given.
3.Ensure coolant and oil passages are clean.
4.Clean dowel holes and fit new plastic dowels.
5.Lightly lubricate threads and beneath heads of
cylinder head bolts with clean engine oil.
6.Fit new cylinder head gasket of the correct
thickness with the word 'TOP' uppermost.
7.Using assistance, fit cylinder head and locate
onto dowels.
8.Carefully enter cylinder head bolts, DO NOT
DROP. Lightly tighten bolts.
9.Using the sequence shown, progressively
tighten cylinder head bolts to 30 Nm (22 lbf.ft),
then to 65 Nm (48 lbf.ft), then a further 90
°, then
a further 180
° and finally a further 45°.
CAUTION: Ensure correct sequence is
followed for all 5 tightening stages. Do not
tighten bolts 315 degrees in one operation.
10.Fit nut and bolt securing cylinder head to timing
chain cover and tighten to 25 Nm (18 lbf.ft).
Page 196 of 1672
ENGINE - TD5
REPAIRS 12-1-57
Filter - oil
$% 12.60.04
Remove
1.Remove 3 bolts and remove engine acoustic
cover.
2.Remove 3 bolts and remove exhaust manifold
heat shield.
3.Clean area around filter head and place a
container beneath engine.
4.Using a strap wrench, unscrew and discard
filter. Refit
1.Clean mating face of filter head.
2.Lubricate sealing ring of new filter with clean
engine oil.
3.Fit filter and tighten by hand until it seats then
tighten a further three-quarters of a turn.
4.Start and run engine to check for leaks.
5.Stop engine, wait a few minutes, then check oil
level.
6.Top up engine oil.
+ MAINTENANCE, PROCEDURES,
Engine oil - diesel engine.
7.Position exhaust manifold heatshield and
tighten M6 bolts to 9 Nm (7 lbf.ft) and M8 bolts
to 25 Nm (18 lbf.ft).
8.Fit engine acoustic cover and secure with
fixings.
Page 201 of 1672

ENGINE - TD5
12-1-62 REPAIRS
Valve - relief - oil pressure
$% 12.60.56
Remove
1.Remove sump gasket.
+ ENGINE - Td5, REPAIRS, Gasket -
sump.
2.Remove and discard plug from oil pump
housing.
3.Remove spring and valve.
Refit
1.Clean valve, spring and plug.
2.Clean valve seating inside oil pump housing.
3.Check valve and bore for scoring and
corrosion. Light scoring may be removed using
grade 600 emery cloth soaked in oil.
4.Check spring for distortion, check free length of
spring: Spring free length = 42.00 mm (1.65 in).
CAUTION: Renew relief valve as an
assembly.
5.Lubricate valve and seating.
6.Fit valve and spring to pump.
7.Apply Loctite 243 sealant to threads of new
plug.
CAUTION: Do not attempt to fit original
plug.
8.Fit oil pump pressure relief valve plug and
tighten to 23 Nm (17 lbf.ft).
9.Fit sump gasket.
+ ENGINE - Td5, REPAIRS, Gasket -
sump.
10.Check engine oil level, top-up if necessary.
Switch - oil pressure
$% 12.60.50
Remove
1.Remove fixings and remove engine acoustic
cover.
2.Remove 3 bolts and remove exhaust manifold
heat shield.
3.Disconnect multiplug from oil pressure switch.
4.Position container below switch to catch oil
spillage.
5.Remove oil pressure switch from oil cooler
housing.