Pagoda SL Group

W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: fafrost on April 04, 2024, 17:01:38

Title: Crack in fuel pump housing - 67 250SL
Post by: fafrost on April 04, 2024, 17:01:38

Colleagues:  It appears that an over-tightened bolt may have created a small crack in the housing of my fuel pump (‘67 250SL). 

I would be grateful for any guidance from those with experience with these pumps regarding options for addressing my issue. 

The fuel pump works beautifully and the slight lubricant seepage from the crack is not creating a problem in the garage.  There is no fuel seepage.

Is it feasible to find just the housing and replace that?

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: rwmastel on April 04, 2024, 18:32:09

I would imagine a member here would have one to sell.  Particularly, "BaronYoungman".  Find a post by him and click the PM or Email link below his user name.

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: Pawel66 on April 04, 2024, 19:18:31

Can this be welded? It does not look very serious…

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: fafrost on April 08, 2024, 00:08:44

Thank you, Rodd, for the lead.

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: rwmastel on April 08, 2024, 01:08:25

Your welcome.  He's the fuel pump guy, but more!

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: fafrost on April 08, 2024, 01:20:12

Rodd:  For the benefit of the entire Group, Bob (Baron) Youngman clarified that he specializes only in the rear fuel pump, not the fuel injection pump. 

Youngman helpfully directed me to Black Forest LLC, 2900 W. Vera Avenue, Glendale, Wisconsin 53209, which is a Mercedes shop that specializes in fuel injection pumps. 

Here is a link for everyone's future reference:

https://www.blackforestllc.com/fuel-injection-pumps 

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: rwmastel on April 08, 2024, 02:38:41

Sorry.  The pic was close up enough that I didn't realize it was the injection pump.

Black Forrest is good, as well as H&R in New York and Pacific Fuel Injection in (I think) San Francisco area.  I'm sure there are others.

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: stickandrudderman on April 08, 2024, 07:42:06

If you're not bothered about aesthetics then some resin glue or chemical metal will resolve the oil leak.

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: Cees Klumper on April 08, 2024, 13:15:19

And I believe these housings are aluminum, and it may be possible to have it welded. I would hesitate to take it all apart just to swap over another intact housing.

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: stickandrudderman on April 08, 2024, 13:16:17

Welding would require disassembly.....

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: ejboyd5 on April 09, 2024, 10:41:21

You might try Loctite 290 to seal the crack.

Title: Re: Crack in fuel pump housing - 67 250SL
Post by: fafrost on April 09, 2024, 14:31:01

Thank you all.  We found that used/replacement housings were not available (without also paying for a complete injection pump rebuild), so we have sealed it for now and will monitor to ensure that it stops the seepage.   A very useful dialogue.  Gracias!