Rolls-Royce Silver Shadow II - Page 32

IR{ g~E I
MOfORS
Service
Bulletin
Car Division
TSO 4171
Bulletin number SY/clo
Date 3 3 77
Pa ge 1 of 1
CircUiation list 11
II 11 I 11 11
Category C
ALL DISTRIBUTORS AND RETAILERS
AUTOMATIC AIR CONDITIONING SYSTEM TEMPERATURE SELECTOR
POTENTIOME'TER RESISTANCE VALUES
APPLICABLE TO:
11 · I II
All Rolls-Royce Camargue cars from and including car serial
number 19741.
INTRODUCTION:
This Service Bulletin details the changes to the UPPER and
LOWER temperature selectors potentiometer resistance values
which are cheeked during the Fault Diagnosis given in
TSD 2939 - Workshop Manual - Camargue - Chapter C - Section C6 -
Operation 14 and Operation 21.
DESCRIPTION:
Temperature selector potentiometer resistance values should
now read
Operation 14b (iii) 440 + or - 180 ohms
Operation 21c 370 + or - 150 ohms
The original readings for those cars prior to car serial
number 19741 still apply.
Hly/MB