300Tdi Defender
80
HEATING 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
shaft.
6. Remove 3 nuts securing blower motor to
mounting plate.
7. Remove blower motor.
8. Examine components for signs of wear and
renew as necessary.
Refit
9. Apply Bostik 1261 adhesive to mating faces of
mounting plate and blower motor.
10. Fit blower motor to mounting plate and secure
with 3 nuts. Ensure rubber mountings are
correctly fitted.
11. Fit impeller to motor shaft and secure with circlip.
12. Position blower motor assembly in volute
housing and secure with 5 nuts. Fit angled
bracket to lower fixing.
13. Reconnect harness plug to resistor harness and
fit angled bracket to heater unit.
14. Fit heater unit
See Heater unit .
HEATER MATRIX
Service repair no - 80.20.29
Remove
1. Remove heater unit
See Heater unit .
2. Remove 2 nuts securing angled bracket to
heater unit. Pivot bracket to remove from studs.
3. Remove 14 screws and detach two matrix
retaining plates from heater unit base.
4. Remove 9 screws securing matrix top retaining
plate.
5. Withdraw heater matrix through top of heater
unit casing.
