Vanden Plas L6-4.2L (1982)
Speedometer Module: Technical Service Bulletins
Electronic Speedometer Transducer - Drive Ratio
Date 03/01/83
ITEM:
J83/17
MODEL:
SERIES III XJ6
SUBJECT:
ELECTRONIC SPEEDOMETER TRANSDUCER DRIVE
Technical Service Bulletin Item J82/17 issued in March, 1982, refers to a ratio between the rear road wheels and the square drive of the speedometer
transducer.
The correct square drive rotation is approximately 7.6 turns of the square drive for every six revolutions of the road wheels.
NOTE:
These are theoretical values and may vary by a small degree in practice.
