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Fuel Pump Refresh - 1971 911T Bosch Carburated Pump
After not driving my car for several months (needs synchros, another story), I pulled it out of the garage and it just started dumping gas on the ground.
Leaking from the pump, behind the rear driver's wheel. As we know, this is comparatively a rare pump as it carburated low pressure with the return line. Porsche part number – 911.608.107.00 Bosch part number – 058096 0009 I would like to retain the return line as I believe it makes sense. Based on forum posts, I called Fuel Injection Corporation in Livermore and they will indeed rebuild my pump for $325. This is a pretty good solution. However, my pump works and it is such a simple design with just a leak, I am thinking about just replacing the seal under the pump lid. Am I wrong to do this? Anybody else done similar? Mine is squared off, but I suspect it was an o-ring before. Anybody sourced an O-Ring? Thanks a bunch!    
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10-31-2017, 02:28 PM
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Registered
Join Date: Sep 2005
Location: South Surrey, BC
Posts: 4,536
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there is earlier post here about rebuilding fuel pumps that had the sizes.
Lorne M.
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83 SC |
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10-31-2017, 07:32 PM
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Fuel Pump Refresh
I have exactly the same issue. One pump spins but leaks, the other doesn't spin. I have not been able to find the Pelican article referred to above.
All advice appreciated. Thanks |
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10-15-2018, 07:31 AM
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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Here are some links with dimensions for the o-rings.
MFI Open Heart Surgery II - The Fuel Pump rebuild MFI fuel pump O-rings
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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10-15-2018, 07:53 AM
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Registered
Join Date: Sep 2005
Location: South Surrey, BC
Posts: 4,536
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83 SC |
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10-15-2018, 08:05 AM
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Registered User
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Fuel Pump Refresh
Wow,
Thanks for the quick replies Jamie and Lorne. After carefully reviewing these, my pump is on its way to FIC. |
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10-15-2018, 12:55 PM
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Registered User
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911T Fuel pump
I just received my refurbished Bosch pump back from Fuel Injection Corporation. WOW!
I just wish that I had sent the first one there when it started to leak or the second one when I burned out the motor due to rust sediment in the tank. Thanks FIC. |
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10-27-2018, 08:35 AM
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