Rolls-Royce Silver Shadow II - Automatic Air Conditioning Expansion Valves

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Service
Bulletin
Bulletin number
Circ~tion list
Category B
ALL DISTRIBUTORS AND RETAILERS
AUTOMATIC AIR CONDITIONING EXPANSION VALVES
APPLICABLE TO:
All Rolls-Royce Camargue cars and all Rolls-Royce and Bentley
Corniche cars (fitted with automatic air conditioning system)
listed on pages 6 to 8 of this Service Bulletin.
~ INTRODUCTION:
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i To increase the performance of the automatic air conditioning
i system in conditions of high ambient temperatures a new expansion
I valve has been fitted to all Camargue and Corniche cars from
@) the following car serial numbers.
Rolls-Royce Camargue cars - 24129
Rolls-Royce and Bentley Corniche cars - 24625
The new valve (Part No. UD 21851) is physically identical to the
old valve {Part No. UD 15423) but is readily identifiable by a
white painted identification spot on the valve body (see Fig. 1).
NOTE l A few isolated cars prior to the above car serial numbers
may have the new valve fitted.
NOTE 2 Valve UD 15423 is still used on cars not fitted with
automatic air conditioning.
Valve UD 21851 must not be fitted t o any cars which do
not have automatic air conditioning.
JR{ g~E
MO T OR S
Car Division
TSD 4171
In order that those cars listed in the rear of this Service Bulletin
may be up-dated to the current specification an ad.justment to the
expansion valve is required.
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