Installed new fuel pump - pictures - Mercedes-Benz Forum
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#1 (permalink) Old 08-07-2006, 10:42 AM
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Installed new fuel pump - pictures

Thanks to all of you who advised me. I went to my friend Mike's place. He had an empty parking lot behind his apartment. We put the rear wheel on ramps. Mike is very experienced in working with Boeing planes. He did almost all the work, while I assisted him. Had some misadventures. Got fuel showers. But changed the fuel pump. We took step by step pictures. See a few pictures attached to this message. May be I should write up some thing. If Dan Watt is interested, I can put it up on his website. Thanks once again to all of you guys. All comments and suggestions for a future fuel pump change are welcome.

Ramesh.
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#2 (permalink) Old 08-07-2006, 10:51 AM
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New Fuel Pump and Filter

Here are pictures of the new Bosch Fuel Pump and Mercedes Fuel Filter that we put in. I bought the fuel pump from AutoHaus for around $90 each. The fuel filter from the dealer for around $59.

Ramesh.
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#3 (permalink) Old 08-07-2006, 11:06 AM
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looks like there are two fuel pumps, and you replaced one?

1990 560SEL @200500miles
Chassis: 126.039
Engine: 117.968
Tranny: 722.350
Columbus, OH
http://mbw126.com
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#4 (permalink) Old 08-07-2006, 11:18 AM
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Hi Allerton,

I replaced both the pumps. Check this picture.


Ramesh.
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#5 (permalink) Old 08-07-2006, 11:47 AM
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Nice work
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#6 (permalink) Old 08-07-2006, 11:56 AM
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Quote:
Originally Posted by Ramesh
Hi Allerton,

I replaced both the pumps. Check this picture.


Ramesh.
Great camera work and the job looks well done. I am ready to change both of mine for peace of mind. Why did you change yours?
Just wondering if the car can run on one pump. Why is there 2 pumps? Anybody know?

Thanks
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#7 (permalink) Old 08-07-2006, 12:03 PM
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Needs two pumps to maintain the correct pressure for CIS to function at higher speeds. I may put it on my site, thanks!

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#8 (permalink) Old 08-07-2006, 12:06 PM
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Needs two pumps to maintain the correct pressure for CIS to function at higher speeds. I may put it on my site, thanks!
Thanks for the tech tip danwatt!
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#9 (permalink) Old 08-07-2006, 01:49 PM
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a little tip, when doing work on the fuel system disconnect the power to the pumps and crank the engine, this will get rid of the fuel still in kept in the lines by the residual pressure valve.

"500"sel - M117.968 --> M119.960 conversion, standalone LinkPlus ECU (linkecu.com) tuned to ~260kw, full dual 2.25" mandrel bend exhaust, AMG 2nd Gen full body kit & interior mods, Bilstein HD's and custom springs. 17" SSR wheels 8.5J front 9.5J rear (235, 255 tyres)

560sec - I hate sec's

You're unique, just like everyone else.
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#10 (permalink) Old 08-07-2006, 03:32 PM
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Good stuff
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