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  #1  
Old 12-09-2006, 02:38 PM
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Vacuum pump replacement w124 601 (whith pics)

Hi gentlemen,

I decided to replace the vacuum pump of my baby, and since i had replaced the pump of my w201 3 months before i totaled it, instead of buying a new one i decided to use the 3 months old one of the w201 , just bought a new gasket!

Here's a litlle help to everyone who wants to replace it to:

1st you have to remove the hose that's atached to the fan cover:

Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-remove-hose.jpg  
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1985 200D (w124) and totaled 190D

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  #2  
Old 12-09-2006, 02:40 PM
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Then it's time for the fan cover, but first you have to remove the fan.
Just remove the 2 clips holding the cover:
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-clip-left.jpg   Vacuum pump replacement w124 601 (whith pics)-clip-right.jpg  
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1985 200D (w124) and totaled 190D

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  #3  
Old 12-09-2006, 02:47 PM
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Then tilt the cover so tou can reach your arms in between the radiator and the cover and unscrew the screw that holds the fan, then just pull it out and remove the cover:
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-remove-fan.jpg   Vacuum pump replacement w124 601 (whith pics)-fan-screw.jpg   Vacuum pump replacement w124 601 (whith pics)-fan.jpg  
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1985 200D (w124) and totaled 190D


Last edited by mouramen; 12-09-2006 at 02:59 PM.
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  #4  
Old 12-09-2006, 02:51 PM
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Now you have more room to work on:
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Vacuum pump replacement w124 601 (whith pics)-belt-place.jpg  
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1985 200D (w124) and totaled 190D

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  #5  
Old 12-09-2006, 02:57 PM
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Now it's time for the belt to come out, with no belt the job is alot easier!

Insert a lever in the tensioner and push a bit down so you can push the bolt back after you remove the nut, then remove the spring and the belt will be loose, just remove the belt or pull it aside!
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-belt-tensioner1.jpg   Vacuum pump replacement w124 601 (whith pics)-belt-tensioner2.jpg  
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1985 200D (w124) and totaled 190D


Last edited by mouramen; 12-09-2006 at 03:06 PM.
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  #6  
Old 12-09-2006, 03:08 PM
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disconect the hoses from the pump:
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Vacuum pump replacement w124 601 (whith pics)-remove-hoses.jpg  
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1985 200D (w124) and totaled 190D

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  #7  
Old 12-09-2006, 03:10 PM
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No belt and no hoses:
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-new-pump-instaled.jpg  
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  #8  
Old 12-09-2006, 03:15 PM
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Time to remove the pump, there are six screws, just unscrew a bit at a time each one cause the spring inside the pump can be under pressure!
Remove the pump and the old gasket!
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-pump-place.jpg  
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  #9  
Old 12-09-2006, 03:19 PM
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Here's my old gasket, it's cracked cause the wrong one was used:
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Vacuum pump replacement w124 601 (whith pics)-old-gasket2.jpg  
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  #10  
Old 12-09-2006, 03:22 PM
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New and right gasket VS old and wrong gasket:
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Vacuum pump replacement w124 601 (whith pics)-new-old-gasket.jpg  
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1985 200D (w124) and totaled 190D


Last edited by mouramen; 12-09-2006 at 05:29 PM.
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  #11  
Old 12-09-2006, 05:29 PM
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"New" pump:
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Vacuum pump replacement w124 601 (whith pics)-new-pump.jpg  
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1985 200D (w124) and totaled 190D

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  #12  
Old 12-09-2006, 05:36 PM
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Now to put the new pump you got to rotate the engine because the lumps have to stay up and down so that the roller in the pump doesn't meet a lump when screwing the new pump or the spring of the pump won't let you put the pump in place!
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-no-belt.jpg   Vacuum pump replacement w124 601 (whith pics)-rotate-fit.jpg  
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1985 200D (w124) and totaled 190D


Last edited by mouramen; 12-09-2006 at 05:46 PM.
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  #13  
Old 12-09-2006, 05:53 PM
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After cleaning the engine and pump surface, put the new gasket and pump in place and screw the screws a bit at a time and alternatly!
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-pump-instaled2.jpg  
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  #14  
Old 12-09-2006, 05:55 PM
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thanks, i have to change out the one on my 603. I have the old style need the updated one.
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  #15  
Old 12-09-2006, 05:55 PM
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Now put the belt in place, the spring of the tensioner, the screw and nut of the tensioner, the cover of the fan, the fan and clips of the cover and you are ready to go!
Attached Thumbnails
Vacuum pump replacement w124 601 (whith pics)-my-engine.jpg  

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