Modified Vacuum Control For Modulator Pressure (27/88)
Publication date: 1991-04-01Reference number: 27/88
MODIFIED VACUUM CONTROL FOR MODULATOR PRESSURE
TECHNICAL SERVICE BULLETIN
Reference Number(s): 27/88, Date of Issue:
April 1991
ENGINE 602.96 AND 603.97 WITH TRANSMISSIONS 722.3, 722.4 - MODIFIED VACUUM CONTROL FOR MODULATOR PRESSURE
Model(s): 1992 Mercedes-Benz 300 D, 350 SD, 350 SDL
Group: 27 - Automatic Transmission
Bulletin No.: 27/88
Date: April 1991
SERVICE INFORMATION
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
| Engine | Transmission | Transmission Serial Number |
|---|---|---|
| 602.96 | 722.418 | 3 009 300 |
| 603.97 | 722.361 | 3 495 000 |
APPLICATION & PRESSURE SPECIFICATIONS
| Vacuum control valve cap color | Vacuum modulator color | Modulator pressure (bar) | Valve body part no. | Transmission part no. | Transmission model |
|---|---|---|---|---|---|
| black | blue | 3.1 | 124 270 92 07 | 124 270 47 00 | 602.96 |
| black | brown | 3.1 | 126 270 92 71 | 126 270 51 00 | 603.97 |