FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Radiator - Coolant Overflow Fitting Removal Procedure

REF. NO.
MBNA 20/40a



TO:
OUR MERCEDES-BENZ PASSENGER CAR DEALERS

DATE:
June 1992



Revision:
Updated S.I. includes operation number changes and additional models.


SUBJECT
MODELS 126 WITH ENGINE 103 AND 124 WITH ENGINES 103, 104 AND 119 REPLACEMENT OF COOLANT OVERFLOW FITTING



The engine coolant overflow hose fitting can be replaced when damaged or leaking.


Procedure

1. Drain engine coolant.

2. Remove upper radiator hose and coolant overflow hose.





3. Place a 9 mm box wrench squarely over the socket and press off using a screwdriver (arrow, Figure 1).

4. Install new overflow fitting.

5. Reattach radiator hose and coolant overflow hose.

6. Replenish engine coolant.

7. Run engine and check for coolant leaks.



Parts Information

Part Name Part Number

Overflow fitting 000 500 08 94


In Case of Warranty

Operation:
Coolant overflow fitting, Replace (Coolant drained)

Damage Code Operation Number Time Model(s)

50003 04 20-9472 0.2 hrs. 25/67,68/74/75
82/83/84/85/88


Note:
Operation numbers 02-2020 and 02-2021 will become invalid starting with Repair Orders dated July 1, 1992. For future updates refer to new Time Guide editions.