Land Rover Defender 90 Workshop 2nd Edition Nas Rover Manual

76CHASSIS AND BODY
38
REPAIR CANOPY ASSEMBLY
Service repair no - 76.61.11
Remove
1.Release side window velcro strips, each side
and top.
2.Unzip side window panels, at side only.
3.Release retaining batten from bottom channel.
4.Open rear door.
5.Release velcro strips each side of rear window.
6.Unzip rear window panel, down each side.
7.Release retaining bar, each end of rear window.
8.Release velro strips securing 2 flaps to roof bow.
9.Release 5 press studs securing flap around
centre roll-over bar....

CHASSIS AND BODY
39
REPAIR
15.Remove screw securing side panel support rod
to vehicle body on each side.
16.Unhook top end of rods from support bars.
17.Remove top of side panels from groove in side
bar mouldings.
18.Withdraw suppotr rods from pockets in side
panels.
19.Release 2 press studs securing canopy to each
end of windscreen frame.
20.Pull canopy forward to release tension.21.Release batten from channel above windscreen
and ease dowwards to clear.
22.Ease front of canopy up between frame and...

76CHASSIS AND BODY
40
REPAIR 44.Pull down on rear panels and engage battens by
pressing firmly into place.
NOTE: Use a T handled hook to pull down
on the loops to ease batten engagement.
45.Fasten side window zips and secure velcro
strips.
46.Fit rear window retaining bar, fasten rear window
zips and secure velcro strips. 

HEATING AND VENTILATION
1
DESCRIPTION AND OPERATION HEATING AND VENTILATION SYSTEM
Description
The heating and ventilation system is standard on all
models. Air conditioning is an optional system which
provides fully integrated climate control for the vehicle
interior.The heater assembly, comprising a matrix housed in a
distribution unit and a variable speed blower motor, is
located on one side of the engine compartment and
attached directly to the fascia bulkhead.
The heating controls are positioned on...

80HEATING AND VENTILATION
2
DESCRIPTION AND OPERATION HEATER OPERATION
The heater matrix, located in the distribution unit, is
connected to the engine cooling system. As coolant is
circulated continuously through the matrix, a selection
of heated or ambient air is controlled by two flaps
within the distribution unit.The temperature flap
controls the amount of ambient air to the heater
matrix, air being suppliedthrough a ducted vent on top of the vehicle front wing
to the blower motor (volute) housing....

HEATING AND VENTILATION
3
DESCRIPTION AND OPERATION Fresh air vents
Two fresh air vents are fitted in the windscreen frame
and are controlled independently of the vehicle
heating system. Each vent is operated separately.
To open a vent, push the lever to the right and then to
the required position. 

HEATING AND VENTILATION
1
REPAIR HEATER UNIT
Service repair no - 80.20.01
Remove
1.Remove bonnet and disconnect battery.
2.Remove radiator bottom hose at radiator union
and drain cooling system.
See COOLING
SYSTEM, Adjustment, Drain and refill
3.Slacken clips and disconnect heater hoses at
heater box unions.
4.Remove outer cable securing clips.
5.Slacken trunnions and disconnect control cables
from heater vent flap levers.
6.Remove heater wiring harness securing loop.
7.Disconnect harness multi-plug....

80HEATING AND VENTILATION
2
REPAIR BLOWER MOTOR
Service repair no - 80.20.15
Remove
1.Remove heater unit.
See Heater unit
2.Remove 3 nuts securing angled bracket to
heater unit. Pivot bracket to remove from studs.
3.Remove 5 nuts securing blower motor assembly
to volute housing.
4.Disconnect harness connector and remove
blower motor from volute housing.
5.Release circlip and withdraw impeller from motor
drive shaft.
6.Remove 3 nuts securing blower motor to
mounting plate.
7.Remove blower motor.
8.Examine...

HEATING AND VENTILATION
3
REPAIR Refit
6.Fit foam rubber to heater matrix casing.
7.Position matrix in heater unit casing.
8.Check that both vent flaps operate correctly
without sticking.
9.Secure matrix top retaining plate.
10.Secure matrix bottom retaining plates.
11.Fit heater unit.
See Heater unit
RESISTOR UNIT
Service repair no - 80.20.17
Remove
1.Remove heater unit.
See Heater unit
2.Drill out 4 rivets securing resistor mounting plate
to top of volute housing.
3.Remove resistor and disconnect...

80HEATING AND VENTILATION
4
REPAIR
6.Remove 2 screws securing control lever
assembly to side cover and remove cover.
Retain plastic screw spacers fitted between
cover and control lever assembly.
7.Remove bolt and release outer cable retaining
clip.
8.Slacken grub screw and release inner cable from
clevis.
9.From inside engine compartment: Release outer
cable retaining clip at heater unit.
10.Slacken trunnion fixing and release inner cable
from heater unit flap lever.11.Release 2 retaining clips securing...