1999 LAND ROVER DEFENDER washer

MAINTENANCE
1
MAINTENANCE UNDERBONNET VIEW - Td5
LHD shown
1.Engine oil dipstick
2.Coolant expansion tank
3.Air cleaner
4.Brake/clutch fluid reservoir filler cap5.Windscreen washer reservior
6.Auxiliary drive belt
7.Engine oil filler cap
8.PAS fluid reservoir
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MAINTENANCE
3
MAINTENANCE WIPERS AND WASHERS
1.Operate screen washer and switch on wipers.
Check washer jets are correctly aimed and
check for smooth smearless operation across
screen of wiper blades at all speeds, including
intermittent.
2.Repeat operation for rear screen
wipers/washers.
3.Check all wiper blades for condition and signs of
splits or damage.
4.Check security of wiper arms.HANDBRAKE
1.With the vehicle stationary, apply handbrake and
check for correct operation.See BRAKES,
Adjustment.
2.Release handbrake and check for correct
operation.
NOTE: Any adjustment required as a result
of the checking process will be subject to
additional labour and/or material cost and
should not be carried out without the
authorisation of the customer.
Adjust handbrake (First 12,000 miles/12 months
only
1.Adjust handbrake cable.See BRAKES,
Adjustment.
NOTE: Additional time is built into the first
12,000/12 months service time to allow for
handbrake cable adjustment.
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10MAINTENANCE
12
MAINTENANCE AUXILIARY DRIVE BELT
Check
1.Check auxiliary drive belt for signs of splits,
fraying, oil contamination and wear.
NOTE: Any requirement to replace the
auxiliary drive belt should be advised to
the customer as this will incur additional
labour and/or material cost and should not be
carried out without the authorisation of the
customer.
Renew
1.Renew auxiliary drive belt.See ELECTRICAL,
Repair.
NOTE: Additional time is built into the
96,000/8 year service time to allow for
auxiliary drive belt renewal.PAS FLUID, CLUTCH FLUID AND SCREEN
WASHER LEVELS
PAS Fluid
1.Clean arear around PAS reservoir filler cap, and
remove cap.
2.Check fluid level in PAS reservoir.
3.Top-up if necessary to the correct level using
recommended fluid.See LUBRICANTS,
FLUIDS AND CAPACITIES, Information.
4.Fit filler cap.
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MAINTENANCE
13
MAINTENANCE Clutch Fluid
1.Clean area around clutch fluid reservoir cap, and
remove cap.
2.Check fluid level in clutch fluid reservoir.
3.Top-up if necessary to the correct level using
recommended fluid.See LUBRICANTS,
FLUIDS AND CAPACITIES, Information.
4.Fit filler cap.
Screen Washer Fluid
1.Clean area around washer fluid filler cap.
2.Check washer fluid level in reservoir.
3.Top-up if necessary to the correct level using
recommended fluid.See LUBRICANTS,
FLUIDS AND CAPACITIES, Information.
4.Fit filler cap.STEERING BOX
Check
1.Check steering box for fluid leaks.
Adjust
1.Check there is no backlash in steering box with
the road wheels in the straight ahead position.
Adjust if necessary.See STEERING,
Adjustment.
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10MAINTENANCE
14
MAINTENANCE ENGINE OIL
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.
1.Remove underbelly panel.See CHASSIS AND
BODY, Repair.
2.Position suitable container beneath sump.
3.Clean arear around drain plug.
4.Remove oil drain plug, discard sealing washer.
5.Allow oil to drain.
6.Fit new sealing washer to oil drain plug.
7.Fit engine drain plug and tighten to23 Nm (17
lbf.ft).
8.Fill engine with recommended grade of oil to
correct mark on dipstick.See LUBRICANTS,
FLUIDS AND CAPACITIES, Information.
9.Fit underbelly panel.See CHASSIS AND
BODY, Repair.CENTRIFUGE ROTOR - Td5
1.Renew centrifuge rotor.See ENGINE , Repair.
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ENGINE
5
DESCRIPTION AND OPERATION 1.Crankshaft pulley bolt
2.TV Damper to crankshaft pulley bolts (3 off)
3.TV Damper
4.Crankshaft pulley
5.Woodruff key
6.Crankshaft
7.Crankshaft to flywheel dowel
8.Spigot bush
9.Flywheel to crankshaft bolts (8 off)
10.Flywheel assembly
11.Main bearing shells (6 pairs)
12.Main bearing caps (6 off)
13.Main bearing cap bolts (12 off)
14.Thrust washer (2 off at No. 3 Main bearing)
15.Piston lubrication jets (5 off)
16.Piston lubrication jet cap head screw (5 off)
17.Stiffener plate (oil pump integral)
18.Stiffener plate / oil pump assembly to cylinder block bolts (22 off)
19.Oil pick-up pipe O-ring
20.Oil pick-up pipe inserts (2 x 6mm; 1 x 10mm)
21.Upper oil pick-up pipe
22.Oil pick-up pipe gauze
23.Lower oil pick-up pipe
24.Sump
25.Oil drain plug seal
26.Oil drain plug
27.Sump to cylinder block bolts (20 off)
28.Sump gasket
29.Oil pick-up pipe bolts (3 off)
30.Oil pump
31.Chain lubrication jet
32.Chain lubrication jet screw
33.Stiffener to cylinder block dowel (2 off)
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12ENGINE
24
DESCRIPTION AND OPERATION Crankshaft
1.Front end to crankshaft sprocket
2.Oil supply cross-drillings
3.Main journals4.Big-end journals
5.Rear end to flywheel
The crankshaft is constructed from cast iron and is surface-hardened. The areas between the crankshaft journals
and the adjoining webs and balance weights are compressed using the cold roll process to form journal fillets.
Cross-drillings in the crankshaft between adjoining main and big-end bearings are used to divert lubrication oil to
the big-end bearings.
A torsional vibration damper is attached to the crankshaft pulley by three bolts.
The crankshaft is carried in six main bearings, with end-float being controlled by thrust washers positioned on both
sides of No. 3 main bearing.
Main bearings
There are six main bearings used to carry the crankshaft. Each of the bearing caps are of cast iron construction
and are attached to the cylinder block by two bolts.
The bearing shells are of the split cylindrical type. The upper half bearing shells are grooved to facilitate the supply
of lubrication oil to the bearings and fit into a recess in the underside of the cylinder block. The lower half bearing
shells are smooth and fit into the bearing caps.
Steel-backed, thrust washers are included at each side of No. 3 main bearing to control crankshaft end-float. One
side of each of the thrust washers is grooved, the grooved side of each of the thrust washers is fitted facing
outward from No. 3 main bearing.
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12ENGINE
30
DESCRIPTION AND OPERATION CAMSHAFT COVER COMPONENTS
The camshaft cover cover components are described below:
Camshaft cover
The camshaft cover is cast from aluminium alloy and is fixed to the camshaft carrier / cylinder head assembly by
thirteen bolts. The cover has spacers and sealing washers inserted into each of the thirteen bolt holes.
A breather hose is connected to a port at the top of the camshaft cover by means of a hose clip which vents
crankcase gases back to the air intake via a breather valve in the air intake tract, located forward of the
turbocharger in the flexible air intake duct.
A rubber seal is fitted between the camshaft cover and camshaft carrier.
An oil filler aperture is included in the top of the camshaft cover, which is sealed with a plastic cap with integral
rubber seal.
CAMSHAFT TIMING CHAIN COMPONENTS
The timing chain cover and timing chain components are described below:
Timing chain cover
The timing chain cover is cast and machined aluminium alloy and is attached to the cylinder head by a bolt at the
RH top of the cover and by a stud and nut at the LH top of the cover. Eight screws are used to attach the timing
chain cover to the front of the engine block. The timing cover is located to the cylinder block front face by two
dowels.
A viscous fan is attached to an idler pulley at the front of the engine block. The fan bearing is located on a shaft
and held in place by a circlip and a bearing flange, the inner race of the fan bearing is an interference fit on the
shaft. The fan idler pulley is attached to the bearing hub by three bolts and the fan itself is secured to the pulley
and bearing shaft by a left-hand threaded nut.
The front of the crankshaft passes through a hole in the lower part of the timing cover. An oil seal is pressed into a
recess in the front of the timing cover to seal the interface between the front of the crankshaft and the timing
cover.
A stub pipe is fitted to the front RH side of the timing cover which is used to attach the oil drain pipe from the
vacuum pump by means of a hose and spring clip.
Timing chains
The timing chain between the camshaft and crankshaft sprockets is a duplex type, each chain having 56 links.
The timing chain is contained between a fixed plastic guide and an hydraulically adjustable plastic tensioner arm
which are attached to the front of the engine block.
To cope with the higher injection loads of the EU3 engine, the timing drive between the camshaft and crankshaft
has been upgraded. This requires thicker chain links to be used, therefore the individual pre EU3 and EU3
components are not interchangeable.
To distinguish between the two timing chains the links are different colours. A pre EU3 chain has blue links. An
EU3 chain has bronze links.
The oil pump timing chain is a single type and traverses the oil pump sprocket and the rear crankshaft sprocket.
The timing chains are oil lubricated, with oil being provided by a chain lubrication jet and from oil flow returning
back to the sump from the cylinder head. An oil hole is included at the front left hand side of the cylinder head
which supplies oil from the cylinder head oil galleries.
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