mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Heating System - Air Separator Installation|Page 8855 > < A/C - Gurgling Noise From Heater Core
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Heater Core: Customer Interest
Heating System - Air Separator Installation

Group: 83

Number: 245

Date: August 1990 

Work Instructions

SUBJECT:
INSTALLATION OF AIR SEPARATOR IN HEATING SYSTEM TO PREVENT GURGLING NOISES MODEL 124 WITH ENGINES 103 AND
104

Procedure

1.

Open hood to vertical position.

2.

Drain coolant and set aside for reuse.

3.

Remove coolant expansion tank.

4.

Transfer coolant level sending unit from old to new expansion tank.

5.

Cut coolant supply hose (arrows, Figures 1, 2 and 3).

Also cut curved hose (a) at supply hose (except vehicles with engine 104).

Heating System - Air Separator Installation|Page 8855 > < A/C - Gurgling Noise From Heater Core