air conditioning LAND ROVER FREELANDER 2001 User Guide

GENERAL DATA
04-28
Front Suspension
Type Independent, MacPherson struts with coil springs, lower "L" shaped
arms and anti-roll bar
Nominal height to wheel arch from hub centre* 453 mm (17.83 in)
Road spring identification (colour code):
Td4 with manual gearbox
⇒ Colour code YELLOW / BLUE
⇒ Total coils 6
⇒ Active coils 5
⇒ Wire diameter 14.87 mm (0.585 in)
⇒ Free length 367 mm (14.45 in)
Td4 with automatic gearbox, non air conditioning
⇒ Colour code YELLOW / WHITE
⇒ Total coils 6
⇒ Active coils 5
⇒ Wire diameter 14.87 mm (0.585 in)
⇒ Free length 367 mm (14.445 in)
Td4 with automatic gearbox and air conditioning
⇒ Colour code YELLOW / BROWN
⇒ Total coils 6
⇒ Active coils 5
⇒ Wire diameter 14.866 mm (0.5853 in)
⇒ Free length 375 mm (14.76 in)
K1.8 without air conditioning
⇒ Colour code YELLOW / PINK
⇒ Total coils 5.5
⇒ Active coils 4.5
⇒ Wire diameter 14.03 mm (0.552 in)
⇒ Free length 359 mm (14.13 in)
K1.8 with air conditioning
⇒ Colour code YELLOW / GREY
⇒ Total coils 5.5
⇒ Active coils 4.5
⇒ Wire diameter 14.03 mm (0.552 in)
⇒ Free length 359 mm (14.13 in)
KV6 without air conditioning
⇒ Colour code YELLOW / BLUE
⇒ Total coils 6
⇒ Active coils 5
⇒ Wire diameter 14.87 mm (0.585 in)
⇒ Free length 367 mm (14.45 in)
KV6 with air conditioning
⇒ Colour code YELLOW / WHITE
⇒ Total coils 6
⇒ Active coils 5
⇒ Wire diameter 14.87 mm (0.585 in)
⇒ Free length 371 mm (14.61 in)

GENERAL DATA
04-33
Heating and Ventilation
Air Conditioning
PTC heater - Td4 engine - if fitted
⇒ Make/Type Catem, 900 Watt output, 12 volt supply, located in Hevac unit
FBH - Td4 engine - if fitted
⇒ Make/Type Webasto Thermotop C, self-regulating, 5 kW output
System CFC free, sealed, closed-loop system
Refrigerant HFC - R134a
Refrigerant charge quantity:
All models except LHD KV6
LHD KV6 models540 ± 25 grammes
430 ± 25 grammes
Compressor, up to 04MY (some very early 04MY
vehicles may be fitted with this type of compressor):
⇒ Type Denso - variable displacement, 7-cylinder swash plate unit
⇒ High Pressure Blow-off valve 35.3 bar (3.53 MPa, 512 lbf/in
2)
⇒ Displacement (Min.) 5%
⇒ Displacement (Max.) 95%
Compressor, 04MY onwards
⇒ Type Sanden PXV16 - variable displacement, 7-cylinder swash plate unit
⇒ High Pressure Blow-off valve 35.3 bar (3.53 MPa, 512 lbf/in
2)
⇒ Displacement (Min.) 3%
⇒ Displacement (Max.) 100%
Lubricating oil Nippon Denso ND-8
Evaporator thermostat:
⇒ Opens
⇒ Closes+2 °C (+36 °F)
-4 °C (+25 °F)
Condenser fan control PWM signal from ECM to cooling fan control unit
Refrigerant Pressure Sensor
Low pressure limit:
⇒ A/C on (pressure rising) 2.25 ± 0.2 bar (32.6 ± 2.9 lbf/in
2)
⇒ A/C off (pressure falling) 1.96 ± 0.2 bar (28.4 ± 2.9 lbf/in
2)
High pressure limit:
⇒ A/C off (pressure rising) 31.4 ± 2.0 bar (455.3 ± 29 lbf/in
2)
⇒ A/C on (pressure falling) 25.5 ± 2.0 bar (369.8 ± 29 lbf/in
2)

TORQUE WRENCH SETTINGS
06-33
Air Conditioning
TORQUE DESCRIPTION METRIC IMPERIAL
A/C compressor to mounting bracket bolts (Td4 & K1.8) 25 Nm 18 lbf.ft
A/C compressor mounting bracket to cylinder block bolts (Td4 & K1.8) 45 Nm 33 lbf.ft
A/C compressor mounting bracket to cylinder block bolts (KV6) 45 Nm 33 lbf.ft
A/C compressor support bracket to sump bolt (Td4) 10 Nm 7.5 lbf.ft
A/C compressor drive belt tensioner clamp bolt (Td4) 24 Nm 18 lbf.ft
A/C compressor drive belt tensioner pivot bolt (Td4) 24 Nm 18 lbf.ft
A/C compressor upper and lower securing bolts (KV6) 25 Nm 18 lbf.ft
A/C pipe rail to condenser bolt (KV6) 8 Nm 6 lbf.ft
A/C pipe rail to condenser bolt (KV6) 8 Nm 6 lbf.ft
Condenser bracket to radiator bolts 8 Nm 6 lbf.ft
Receiver drier to condenser bolts 12 Nm 9 lbf.ft
Refrigerant pressure sensor 10 Nm 7.5 lbf.ft
TXV to bulkhead Allen screws 25 Nm 18 lbf.ft

COOLING SYSTEM - K SERIES KV6
ADJUSTMENTS 26-3-1
COOLING SYS TEM - K SER IES KV6 ADJUST ME NTS
Coolant - drain and refill
$% 26.10.01
Drain
1.Remove engine acoustic cover.

+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
2.Visually check engine and cooling system for
signs of coolant leaks.
WARNING: Since injury such as scalding
could be caused by escaping steam or
coolant, do not remove the filler cap from
the coolant expansion tank while the
system is hot.
3.Examine hoses for signs of cracking, distortion
and security of connections.
4.Remove expansion tank filler cap.
5.Remove underbelly panel.

+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
6.Position container to collect coolant.
7.Remove cylinder block drain plug.
8.Release clip and remove bottom hose from
radiator.
9.Allow cooling system to drain.Refill
1.Flush system with water under low pressure.
Do not use water under high pressure as it
could damage the radiator.
2.Clean cylinder block drain plug and apply
sealant, Part No. STC 50552 to first 3 threads.
3.Fit cylinder block drain plug and tighten to 20
Nm (15 lbf.ft).
4.Fit bottom hose to radiator and secure with clip.
5.Prepare coolant to required concentration.

+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS, Fluids.
6.Remove bleed screw from heater return hose.
7.Slowly fill the system through the coolant
expansion tank until a steady flow of coolant is
emitted from the bleed hole.
8.Fit and close bleed screw in heater return hose.
9.Continue to fill system through the expansion
tank until coolant reaches to the base of the
expansion tank bleed hose.
10.Fit expansion tank filler cap.
11.Start and run engine at idle speed for 5
minutes.
CAUTION: DO NOT operate air conditioning
12.Switch off engine.
13.Squeeze bottom hose several times to remove
any trapped air.
14.Start engine and run at speeds varying
between idle speed and 3500 rev/min for 7
minutes.
15.Switch off engine and allow to cool.
16.Remove expansion tank filler cap and add
coolant until it reaches the 'MAX' mark on the
expansion tank.
17.Fit expansion tank filler cap.
18.Start and run engine until normal operating
temperature is reached.
CAUTION: The bottom hose must be warm/
hot, this will ensure the thermostat is fully
open.

COOLING SYSTEM - K SERIES KV6
26-3-4 REPAIRS
Radiator assembly
$% 26.40.01
Remove
1.Disconnect battery earth lead.
2.Remove engine acoustic cover.

+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
3.Drain cooling system.

+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
4. Models without A/C: Remove bumper
valance.

+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
5. Models without A/C:Remove 2 bolts securing
PAS fluid cooler to armature.
6. Models without A/C: Remove 4 nuts and 4
bolts securing armature to body and remove
armature.
7. Models with A/C: Remove A/C condenser.

+ AIR CONDITIONING, REPAIRS,
Condenser.
8.Release clips and remove top and bottom
hoses.
CAUTION: Always fit plugs to open
connections to prevent contamination.
9.Release clip and remove expansion hose from
radiator.10. If fitted:Remove 2 bolts and 4 scrivets securing
LH and RH radiator baffles and remove baffles.
11.Remove radiator upper retaining pegs from
bonnet locking platform. Ease top of radiator
forward.
12.Remove 4 bolts securing fan cowl to radiator.
13.Remove 2 cowl retaining clips from radiator.
M26 0947

COOLING SYSTEM - K SERIES KV6
REPAIRS 26-3-5
14.Release radiator from lower mountings and
remove from vehicle.
15.Remove radiator upper mounting extension
brackets.
16.Remove 4 rubber mountings from radiator.Refit
1.Fit mounting rubbers to radiator.
2.Fit upper support brackets to radiator.
3.Position fan cowl to radiator, fit and tighten
bolts to 5 Nm (4 lbf.ft).
4.Secure fan cowl to radiator with clips.
5.Fit radiator and engage lower mountings in
chassis.
6.Fit radiator upper mountings to bonnet locking
platform.
7. If fitted:Position LH and RH radiator baffles,
secure with scrivets, fit and tighten top bolts to
5 Nm (4 lbf.ft).
8.Connect expansion tank hose and secure with
clip.
9.Connect bottom and top hoses to radiator
secure with clips.
10. Models with A/C: Fit A/C condenser.

+ AIR CONDITIONING, REPAIRS,
Condenser.
11. Models without A/C: Position armature, fit and
tighten 4 nuts and bolts securing armature to
body.

+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
12. Models without A/C: Align PAS fluid cooler
and tighten bolts to 8 Nm (6 lbf.ft).
13. Models without A/C: Fit bumper valance.

+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
14.Refill cooling system.

+ COOLING SYSTEM - K SERIES KV6,
ADJUSTMENTS, Coolant - drain and refill.
15.Fit acoustic cover.

+ ENGINE - K SERIES KV6, REPAIRS,
Cover - engine acoustic.
16.Connect battery earth lead.
M26 0946

AIR CONDITIONING
REFRIGERANT RECOVERY, RECYCLING AND RECHARGING 82-1
AIR CONDITIONING REFRIGERANT RECOVERY, RECYCLING AND RECHARGING
Refrigerant recovery - recycling and
recharge
$% 82.30.02
Refrigerant recovery
WARNING: Servicing must only be carried
out by personnel familiar with both the
vehicle system and the charging and testing
equipment. All operations must be carried
out in a well ventilated area away from open
flame and heat sources.
1.Remove dust caps from high and low pressure
connectors.
2.Connect high and low pressure hoses to
appropriate connections.
3.Open valves on connectors.
4.Turn valves on refrigerant station to correct
positions.
5.Turn process switch to correct position.
6.Turn main switch to 'ON'.
7.Allow station to recover refrigerant from
system.
WARNING: Refrigerant must always be
recycled before re-use to ensure that the
purity of the refrigerant is high enough for
safe use in the air conditioning system.
Recycling should always be carried out with
equipment which is in compliance with SAE
J2210. Other equipment may not recycle
refrigerant to the required level of purity. A
R134a Refrigerant Recovery Recycling
Recharging Station must not be used with
any other type of refrigerant. Refrigerant
R134a from domestic and commercial
sources must not be used in motor vehicle
air conditioning systems.
8.Close valves on refrigerant station.9.Turn main switch to 'OFF'.
10.Close valves on connectors.
11.Disconnect high and low pressure connectors.
12.Fit dust caps to connectors.
13.Open tap at rear of station to drain refrigerant
oil.
14.Measure and record quantity of refrigerant oil
recovered from system.
15.Close tap at rear of station.
Evacuation
1.Remove dust caps from high and low pressure
connectors.
2.Connect high and low pressure hoses to
appropriate connections.
3.Open valves on connectors.
4.Turn valves on refrigerant station to correct
positions.
5.Turn Process switch to correct position.
6.Turn main switch to 'ON'.
7.Allow station to evacuate system.
Recharging
CAUTION: The system must be evacuated
immediately before recharging
commences. Delay between evacuation and
recharging is not permitted.
1.Close valves on refrigerant station.
2.Close valve on oil charger.
3.Disconnect yellow hose from refrigerant
station.
4.Remove lid from oil charger.
5.Pour correct quantity of refrigerant oil into oil
charger.

+ GENERAL DATA, Air Conditioning.
6.Fit lid to oil charger.
7.Connect yellow hose to refrigerant station.
8.Open valve on oil charger.
9.Move pointer on refrigerant gauge to mark
position of refrigerant drop.
10.Slowly open correct valve on refrigerant station
and allow vacuum to pull refrigerant into
system.
11.Close valve on refrigerant station when correct
amount of refrigerant has been drawn into air
conditioning system.

+ GENERAL DATA, Air Conditioning.
12.Turn main switch to 'OFF'.
13.Close valves on connectors.
14.Disconnect high and low pressure connectors.
15.Fit dust caps to connectors.
M82 0728

AIR CONDITIONING
ADJUSTMENTS 82-3
ADJUST ME NTS
Drive belt - compressor - Td4
$% 82.10.01
Check
1.Disconnect battery earth lead.
2.Remove underbelly panel.

+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
3.Turn steering on RH lock.
4.Remove 3 bolts and RH splash shield.
5.Check condition of drive belt. Renew a drive
belt that shows signs of wear and splitting.Adjust
1.Loosen clamp and pivot bolts of compressor
drive belt tensioner.
2.Apply an anti-clockwise torque of 38 Nm (28
lbf.ft) for an existing belt and 47 Nm (35 lbf.ft)
for a new belt to tensioner plate hexagon.
3.Tighten tensioner clamp bolt to 24 Nm (18
lbf.ft).
4.Tighten tensioner pivot bolt to 24 Nm (18 lbf.ft).
5.Fit splash shield and tighten bolts to 10 Nm (7.5
lbf.ft).
6.Fit underbelly panel.

+ EXTERIOR FITTINGS, REPAIRS,
Panel - underbelly.
7.Connect battery earth lead.
M82 0721

AIR CONDITIONING
REPAIRS 82-5
REPAIRS
Drive belt - compressor - Td4
$% 82.10.02
Remove
1.Disconnect battery earth lead.
2.Remove ancillary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Ancillary drive belt - Td4.
3.Loosen clamp and pivot bolts of compressor
drive belt tensioner.
4.Remove compressor drive belt.Refit
1.Ensure compressor drive belt and compressor,
crankshaft and tensioner pulleys are clean.
2.Fit compressor drive belt.
3.Adjust compressor drive belt.

+ AIR CONDITIONING,
ADJUSTMENTS, Drive belt - compressor -
Td4.
4.Fit ancillary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Ancillary drive belt - Td4.
5.Connect battery earth lead.
M82 0721

AIR CONDITIONING
82-6REPAIRS
Compressor - Td4
$% 82.10.20
Remove
1.Raise front of vehicle.
WARNING: Do not work on or under a
vehicle supported only by a jack. Always
support the vehicle on safety stands.
2.Disconnect battery earth lead.
3.Recover refrigerant from A/C system.

+ AIR CONDITIONING, REFRIGERANT
RECOVERY, RECYCLING AND
RECHARGING, Refrigerant recovery -
recycling and recharge.
4.Remove compressor drive belt.

+ AIR CONDITIONING, REPAIRS,
Drive belt - compressor - Td4.
WARNING: Under no circumstances should
refrigerant hoses be disconnected without
first discharging the system.
5.Remove 2 bolts securing A/C pipes to
compressor. Release pipes from compressor.
CAUTION: Before disconnecting or
removing components, ensure the
immediate area around joint faces and
connections are clean. Plug open
connections to prevent contamination.
6.Remove and discard 'O' rings from A/C pipes.7.Loosen bolt securing compressor support
bracket to sump, do not remove.
8.Remove 3 bolts and remove compressor from
mounting bracket. Move support strap aside,
disconnect compressor multiplug and remove
compressor.
Refit
1.If a new compressor is being installed, drain the
required amount of refrigerant oil from the new
compressor.

+ GENERAL INFORMATION, Air
conditioning compressor replacement.
2.A new compressor is sealed and pressurised
with Nitrogen gas, slowly release the sealing
cap, gas pressure should be heard to release
as the seal is broken.
3.Ensure mating faces of A/C pipes and
compressor are clean.
4.Fit A/C compressor to mounting bracket, align
support strap and tighten bolts to 25 Nm (18
lbf.ft).
5.Connect multiplug to compressor.
6.Lubricate new 'O' rings with clean refrigerant oil
and fit to evaporator pipes
7.Position A/C pipes to compressor, fit bolts and
tighten to 22 Nm (16 lbf.ft).
8.Replace receiver drier.

+ AIR CONDITIONING, REPAIRS,
Receiver drier.
9.Fit compressor drive belt.

+ AIR CONDITIONING, REPAIRS,
Drive belt - compressor - Td4.
10.Recharge A/C system.

+ AIR CONDITIONING, REFRIGERANT
RECOVERY, RECYCLING AND
RECHARGING, Refrigerant recovery -
recycling and recharge.
11.Connect battery earth lead.
12.Remove stands and lower vehicle.