A/T - Modulator Vacuum Amplifier, Eliminated

REF. NO. 27/88

TO: OUR MERCEDES-BENZ PASSENGER CAR DEALERS

DATE: April 1991

SUBJECT:
ENGINE 602.96 AND 603.97 WITH TRANSMISSIONS 722.3, 722.4
MODIFIED VACUUM CONTROL FOR MODULATOR PRESSURE

As of February 1991 production, the vacuum control for the modulator pressure has been modified.

The modulator vacuum amplifier is deleted. The modification to the vacuum control without amplifier comprises the valve body, vacuum modulator, modulator pressure adjustment and injection pump vacuum control valve.





Effective Serial Number





Application and pressure specifications