1999 LAND ROVER DEFENDER Workshop Manual

10MAINTENANCE
6
MAINTENANCE ROAD WHEELS
Remove
1.Loosen wheel nuts. Raise vehicle for wheel free
condition and remove the wheel nuts.
2.Mark the wheel to stud relationship to ensure
that the wheels are refitted in the same
orientation.
Refit
3.Apply a thin coat of anti-seize compound to
wheel hub centre.
4.Refit wheels to original hub position.
NOTE: When refitting road wheel nuts do
not overtighten using powered tools.
Ensure the wheel nuts are correctly
torqued in the correct sequence.
5.Tighten wheel nuts.
Steel wheels -100 Nm (80 lbf/ft)
Alloy wheels -130 Nm (96 lbf/ft)
Heavy Duty wheels -170 Nm (125 lbf/ft)TYRE PRESSURES, CONDITION AND TREAD
DEPTH
1.Check for any apparent damage to tyres, paying
particular attention to side walls.
2.Look at tyre treads and check for any unusual
wear patterns which may indicate out of
specification adjustment of steering or
suspension.
NOTE: Any adjustments to steering or
suspension will be subject to additional
labour and/or material cost and should not
be carried out without the authorisation of the
customer.
3.Measure the tread depth across the width of the
tyre and around the circumference. Annotate the
maintenance check sheet with the lowest figure
obtained from each tyre.
NOTE: Any requirement to replace tyres
should be advised to the customer before
any remedial work is carried out. This will
be subject to additional labour and/or material
cost and should not be carried out without the
authorisation of the customer.
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MAINTENANCE
7
MAINTENANCE BRAKE PADS, CALIPERS AND DISCS
1.With front road wheels removed, check brake
pad thickness and ensure that both pads are
wearing evenly.
2.Check brake discs for signs of cracking,
excessive scoring or oil contamination.
NOTE: Any requirement to replace brake
pads or brake disc 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.
3.Check for any signs of brake fluid leakage from
caliper seals, hoses or unions.
4.Using brake cleaner, remove excessive deposits
of brake dust from pads, calipers and disc
shields.ROAD WHEEL SPEED SENSOR HARNESS - Td5
1.Check each sensor harness is correctly and
securely routed.
2.Inspect each harness for chafing or damage.
NOTE: Any requirement to replace a road
wheel speed sensor 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.
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10MAINTENANCE
8
MAINTENANCE FUEL FILTER ELEMENT
1.Renew fuel filter element.See FUEL SYSTEM,
Repair.FUEL FILTER SEDIMENTER - Td5
WARNING: Fuel vapour is highly
flammable and in contained speces is also
explosive and toxic. Always have a fire
extinguisher containing FOAM, CO2, GAS OR
POWDER close at hand when handling or draining
fuel.
1.Disconnect battery negative lead.
2.Position suitable container beneath fuel filter
3.Disconnect multiplug from sedimenter
4.Rotate sedimenter anti-clockwise until water
flows from drain tube.
5.Allow to drain until diesel fuel flows from drain
tube.
6.Rotate sedimenter fully clockwise.
7.Connect multiplug.
8.Reconnect battery negative lead.
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MAINTENANCE
9
MAINTENANCE INTERCOOLER / COOLING SYSTEM
1.Visually check for any obstructions in the
radiator and intercooler matrix and remove
debris as necessary.
2.Visually check fan blades for damage.
3.Check cooling, intercooler and heating systems
for leaks, hoses and oil pipes for security and
condition.
4.Check accessible hose clips for tightness.
5.Check coolant level, top-up if necessary
Cooling System Top-Up
1.With engine cold, remove expansion tank filler
cap.
2.Top-up with recommended mixture of coolant
until level reaches mark on expansion tank.
3.Fit expansion tank filler cap.
Intercooler Flush
1.Remove intercooler.See FUEL SYSTEM,
Repair.
2.Flush intercooler element using Unicorn
Chemicals’C’Solve following the manufaturers
instructions.
3.Thoroughly dry intercooler ensuring that no trace
of solvent remains in the element.
4.Refit intercooler.See FUEL SYSTEM, Repair.AMBIENT AIR PRESSURE (AAP) SENSOR - Td5
1.Check ambient air pressure sensor for damage.
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10MAINTENANCE
10
MAINTENANCE DOOR LOCKS AND HINGES
Front, rear and tail doors
1.Open each door in turn and lubricate door
hinges and check strap using recommended
lubricant.
2.Lubricate door lock, striker and private lock using
PTFE lubricant. Remove excessive lubricant,
particularly from door striker area, to avoid
customer complaint.
3.Check tightness of accessible door lock and
striker fixings
4.Open and close door to check for smooth,
noise-free operation. Ensure door closes
securely.
5.Check for smooth operation of private lock.
Bonnet
1.With bonnet open, lubricate hinges, striker, lock
and safety catch using a suitable lubricant.ENGINE COOLANT
1.Renew engine coolant.See COOLING
SYSTEM, Adjustment.
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MAINTENANCE
11
MAINTENANCE BRAKE FLUID
1.Renew brake fluid.See BRAKES,
Adjustment.AIR FILTER ELEMENT AND DUMP VALVE
1.Replace air cleaner element.See FUEL
SYSTEM, Repair.
2.Remove all dirt from dump valve.
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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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