Page 877 of 1007
HEATING AND VENTILATION
80-12REPAIRS
11.Remove 3 nuts securing fuse box, place fuse
box aside.
12.Release PTC harness from ECM housing
bracket.
13.Remove cover from PTC positive lead fuse
holder.
14.Release multiplug and disconnect PTC
harness from engine harness.
15.Remove 2 nuts securing both leads from (80
amp) fuse holder, remove leads.
16.Release clip securing PTC harness to ECM
housing bracket.17.Release PTC harness relay from bulkhead
retaining bracket.
18.Remove fascia.
+ INTERIOR TRIM COMPONENTS,
REPAIRS, Fascia - up to 04MY.
19.Release and remove RH demister vent duct
20.Release and remove air duct.
Page 878 of 1007

HEATING AND VENTILATION
REPAIRS 80-13
21.Disconnect 3 Lucar connections from PTC
element.
22.Release cable ties securing PTC harness to
main harness.
23.Remove air intake plenum.
+ HEATING AND VENTILATION,
REPAIRS, Plenum - air intake.
24.Release 2 clips securing PTC harness from
plenum box section.
25.With assistance release 2 grommets from
bulkhead and remove PTC harness from
vehicle.Refit
1.With assistance route PTC harness through
bulkhead and fit grommets.
2.Fit clips securing PTC harness to plenum box
3.Fit air intake plenum.
+ HEATING AND VENTILATION,
REPAIRS, Plenum - air intake.
4.Fit cable ties securing PTC harness to main
bulkhead harness.
5.Connect Lucar connections to PTC element.
6.Fit air duct.
7.Fit RH demister vent duct.
8.Fit fascia.
+ INTERIOR TRIM COMPONENTS,
REPAIRS, Fascia - up to 04MY.
9.Connect and secure PTC harness multiplug to
engine harness.
10.Secure PTC harness/relay to bulkhead bracket
11.Fit clip to secure PTC harness to ECM housing
bracket.
12.Fit PTC positive leads to (80 amp) fuse holder,
fit and tighten nuts to 7 Nm (5.2 lbf.ft).
13.Fit (80 amp) fuse cover.
14.Secure PTC harness/relays to ECM housing
bracket.
15.Fit fuse box, ensure harness routing is clear
suspension turret. Tighten nuts to 10 Nm (7
lbf.ft).
16.Fit fuse box cover.
17.Fit 'E' box housing into securing brackets.
18.Fit and tighten nut securing housing.
19.Fit harness and air duct rubber sleeve's to
housing.
20.Fit harness cable tie and secure relay in
housing.
21.Connect and secure joint harness and cooling
fan multiplugs.
22.Connect cooling fan sensor and gearbox ECU
multiplugs.
23.Fit ECM into 'E' box.
+ ENGINE MANAGEMENT SYSTEM -
EDC, REPAIRS, Engine control module
(ECM).
24.Position PTC positive cable to battery and
secure with bolt, tighten to 25 Nm (18 lbf.ft).
25.Connect battery earth lead.
Page 879 of 1007
HEATING AND VENTILATION
80-14REPAIRS
Microswitch - positive temperature co-
efficient (PTC) heater - Td4 models
$% 80.20.08
Remove
1.Remove front console.
+ INTERIOR TRIM COMPONENTS,
REPAIRS, Console - front - up to 04MY.
2.Disconnect multiplug and release microswitch
from heater control pack.
Refit
1.Fit microswitch to heater control pack and
connect multiplug.
2.Fit front console.
+ INTERIOR TRIM COMPONENTS,
REPAIRS, Console - front - up to 04MY.
Blower assembly
$% 80.20.12
Remove
1.Remove 3 screws securing fan motor assembly
to heater casing.
2.Release fan assembly from heater and
disconnect multiplug.
3.Remove fan assembly.
Refit
1.Position fan assembly to heater and connect
multiplug.
2.Fit fan assembly to heater casing and secure
with screws.
Page 880 of 1007
HEATING AND VENTILATION
REPAIRS 80-15
Resistor unit - fan motor
$% 80.20.17
Remove
1. LHD models only: Disconnect air inlet
connector hose from heater and evaporator.
2.Disconnect multiplug from resistor.
3.Release clip and remove resistor from heater.
Refit
1.Fit resistor to heater.
2.Connect multiplug to resistor.
3. LHD models only: Connect air inlet connector
hose.
Matrix - heater
$% 80.20.29
Remove
1.Remove heater assembly.
+ HEATING AND VENTILATION,
REPAIRS, Heater unit.
2.Remove screw securing pipe clamp to heater
casing and remove clamp.
3.Remove 2 screws from matrix cover and
remove cover.
4.Remove heater matrix.
Refit
1.Fit heater matrix to heater assembly.
2.Fit matrix cover and secure with screws.
3.Fit pipe clamp and secure with screw.
4.Fit heater assembly.
+ HEATING AND VENTILATION,
REPAIRS, Heater unit.
Page 881 of 1007
HEATING AND VENTILATION
80-16REPAIRS
Relay - power - positive temperature co-
efficient (PTC) - Td4 models
$% 80.20.34
Remove
1.Disconnect battery earth lead.
2.Release and open under bonnet fuse box lid.
3.Remove 3 nuts securing fuse box and release
fuse box from studs.
4.Remove fixing and release PTC power relay
bracket from studs.
5.Remove cover from PTC power relay.6.Remove cable ties securing PTC power relay.
7.Remove PTC power relay.
Refit
1.Fit PTC power relay.
2.Fit cable ties to secure PTC power relay.
3.Fit cover over PTC power relay.
4.Fit PTC power relay bracket to studs and
secure with fixing.
5.Fit fuse box to studs, fit nuts and tighten to 8
Nm (6 lbf.ft).
6.Close fuse box lid.
M80 0576
M80 0577
Page 882 of 1007
HEATING AND VENTILATION
REPAIRS 80-17
Relay - control - positive temperature co-
efficient (PTC) - Td4 models
$% 80.20.35
Remove
1.Release PTC heater fuse holder from PTC
heater control relay.
2.Release PTC heater control relay holder from
'E' box bracket.3.Remove cover from PTC heater control relay.
4.Remove PTC heater control relay.
Refit
1.Fit PTC heater control relay.
2.Ensure cover seal is fitted correctly and fit PTC
heater control relay cover.
3.Fit PTC heater control relay holder to 'E' box
bracket.
4.Fit PTC heater fuse holder to PTC heater
control relay holder.
Page 883 of 1007

HEATING AND VENTILATION
80-18REPAIRS
Fuel burning heater (FBH)
$% 80.40.01
Remove
1.Disconnect battery earth lead.
2.Remove front bumper.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
3.Drain coolant.
+ COOLING SYSTEM - Td4,
ADJUSTMENTS, Coolant - drain and refill.
4.Position container to collect coolant spillage.
5.Release clips, disconnect coolant feed and
return hoses from FBH.
CAUTION: Before disconnecting or
removing components, ensure the
immediate area around joint faces and
connections are clean. Plug open
connections to prevent contamination.
6.Position an absorbent cloth, release clip and
remove fuel feed hose from FBH. Plug
connections and move aside.7.Loosen 1 bolt and remove other bolt securing
FBH mounting bracket to body.
8.Release FBH from mounting, disconnect
multiplugs and move assembly aside.
NOTE: Do not carry out further dismantling if
component is removed for access only.
9.Remove 3 bolts securing FBH to mounting
bracket.
10.Remove bracket.
M80 0496
M80 0499
Page 884 of 1007

HEATING AND VENTILATION
REPAIRS 80-19
11.Release clip securing air intake hose to FBH,
release clamp from exhaust manifold.
12.Remove 2 bolts securing air intake and exhaust
assembly to FBH and move aside.
Refit
1.Fit exhaust pipe, air intake hose and bracket
assembly to FBH.
2.Fit and tighten bolts to 10 Nm (7.5 lbf.ft).
3.Tighten exhaust pipe clamp to 5 Nm (3.5 lbf.ft).
4.Align air intake hose with mark on casing and
secure with clip.
5.Fit mounting bracket to FBH and tighten bolts to
10 Nm (7.5 lbf.ft).
6.Connect multiplugs to FBH.
7.Fit FBH to body, tighten bolts to 10 Nm (7.5
lbf.ft).
8.Fit coolant hoses to FBH and secure with clips.
9.Fit fuel feed hose to FBH and secure with clip.
10.Refill cooling system.
+ COOLING SYSTEM - Td4,
ADJUSTMENTS, Coolant - drain and refill.
11.Fit front bumper.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
12.Connect battery earth lead.
Sensor - outside temperature (OT)
$% 80.40.31
Remove
1.Remove front bumper.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.
2.Disconnect multiplug from OT sensor.
3.Remove OT sensor from mounting bracket,
collect rubber washer and spacer.
Refit
1.Clean OT mounting bracket and sensor.
2.Fit OT sensor to mounting bracket, fit rubber
washer and spacer, connect multiplug.
3.Fit front bumper.
+ EXTERIOR FITTINGS, REPAIRS,
Bumper - assembly - front - up to 04MY.