Wanted new original MB W124 m103 water pump .

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optimusprime

MB Enthusiast
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Joined
Dec 29, 2013
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5,894
Location
Kidderminster Worcestershire UK
Car
Mercedes W124 260E M103
Just asking if anyone as one that they never fitted for some reason or other . I fitted a new main water pump 3 years back and its only done 2000, i have an idea its leaking .
 
Are you sure it’s your water pump they normally last forever? If it has failed you will see a drip / stream from the pump. Or if it is leaking from the mating face I suspect poor fitting by whoever fit it and gasket failure only which you can buy at a fraction of the cost of a new pump! Best of Luck :)
 
amar the W124 M103 engines are water pump prone . This is the second pump i will be fitting .The one i am removing was made by well known maker .And its omly been on the car for 4 years and only done 560 miles in all that time.
 
Its hard to see just where the coolant is escaping from . I have only fitted one pump the other pump was original M,B pump .So i posted that post above wrong .The new pump will be the second one . I have a endoscope that i purchased just to find the leak,, its hard to get in under the pully to inspect the weep hole . Its booked in for the MOT to-day so we will see how things go with that first before i rip the pump off .
 

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