Rolls-Royce Corniche - Heater Blower Motor-To Remove, to Fit; Blower Motor Impellor (Fan)-To Remove, to Fit

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Rolls-Royce Silver Shadow B Bentley T Series
Workshop Manual
The heater blower motor is a sealed unit for which
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no maintenance is required other than to ensure that
the electrical connections are clean and correctly
tightened and that the motor flexible mounts are in
good condition.
In the unlikely event of a blower motor failure,
the motor should be renewed.
rC Heater blower motor-To remove
E
HEATER BLOWER MOTORS
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All cars prior to Car Serial Number 6000
Chapter M
Section MI8
E
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1. Disconnect the battery.
z 2. Disconnect the motor electrical connections.
3.
Unscrew and remove the three 2 B.A. nuts
securing the blower motor to its housing.
4.
Carefully withdraw the motor and impeller from
its housing.
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Heater blower motor-To remove
Left-hand drive cars from Car Serial
Number 6000
1. Disconnect the battery.
2.
Disconnect the motor electrical connections.
3.
Remove the wiper motor (only when removhg
the right-hand blower motor).
4.
Unscrew and remove the three 2 B.A. nuts
securing the blower motor to its housing.
R 5. Carefully withdraw the motor unit and impeller
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from its housing.
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Heater blower motor-To fit
All cars
cable is connected to the terminal situated on the
opposite side
of the blower motor.
Note It is imperative that the yellow/green
cable is connected to the correct terminal
otherwise blower motor rotation will be
reversed.
2.
Ensure that the seal is in good condition;
renew if necessary.
3. Ensure that the motor flexible mounts are in
good condition; renew if necessary.
Blower motor impellor (fan)-
To remove
Early cars
1. With the blower motor removed, unscrew and
remove the hexagon headed cone nut securing the
impeller to the motor shaft.
2.
Remove the impeller from the shaft.
Blower motor impellor (fan)-To fit
Early cars
Reverse the procedure given for removal, noting the
following point.
1.
When the cone nut is fully tightened, the
distance measured from the end face of the nut to
the end of the motor drive shaft must read
15,875 mm. (0.625 in.).
Blower motor impellor (fan)-
To remove
Reverse the procedure given for removal, noting the
Later cars
following points. I. With the blower motor removed, remove the
1.
Ensure that the cables are correctly connected
small 'Allen' screw located on the side of the
to the motor.
The yellow/green cable is connected to
impeller boss.
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the terminal marked positive ( + ve) and the black
2.
Remove the impeller from the shaft.