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Home > Tips and Howtos > Benz Repair and Maintenance Tips Tips and Howtos

W210 - Replacing Water Pump - by Faizalza [Benz Repair and Maintenance Tips]
Requested and Answered by Buckrey on 06-Mar-2007 22:22 (6912 reads)
W210 - Replacing Water Pump - by Faizalza

Remove the engine cover by unscrew each nut at both ends


Pic(18)Unscrew the radiator drain nut


Pic(19)Let the water flow out. Be careful, the water is hot


Pic(20)Remove the air filter housing and access the expansion tank. You would want to clean it first.




Pic(22) Remove the connector sensor


Pic(23)Remoce the bearing dust cover from the tensioner


Pic(24)Unsrew the 4 nuts from the water pump pulley


Pic(25)To remove the belt and the pulley housing, you need to use a 15mm spannar and forced it down anti clockwise


Pic(26)Belt removed and the water pump is visible


Pic(27)Unscrew and detach all connecting host


Pic(28)Unscrew and detach all connecting host


Pic(29)Unscrew and detach all connecting host


Pic(30)Unscrew and detach all connecting host


Pic(31)Unscrew all nut that is holding the water pump. Please be extra careful when doing this. Please remember the nuts sizes and locations


Pic(32)As you see, there are 4 types of nuts. Put them in order.


Pic(33)With a soft knock of a wooden hammer, the water pump is dismantle


Pic(34)The OEM and the original. The manufacturing date on the original gone as far as 96....WOW


Pic(35)The other side of it


Pic(37)Using a scrapper, scrap of the old gasket carefully. You do not want them to get into you water system


Pic(38)Put a film of liquid gasket(some call it GUM)on to the water pump


Pic(39)Place it back to the original position and screw it back.


Please tighten the screw like how you do it on tyres. PLEASE DO NOT SCREW IT TOO TIGHT. YOU MIGHT DAMAGE THE SCREW LINING


Pic(41)Water pump replaced


Pic(42)Connect all the water hoses and tighten all the screws


Pic(43)Install the pulley housing back to its place and screw it back in


Pic(44)Place back the belt.


Place back the water expansion tank and also the air filter


Use original Merc coolant.Per bottle is 1.5 liters


The box of the OEM water pump. PAT ON MY BACK..HEHEHE


Click here for the full pictorial version

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