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Fuel distributor spring bolts - purpose?
In a moment of temporary insanity, I decided to pull the engine from my 1988 930 in order to fix an annoying unreachable oil leak. I am now in the "while its out" mode of replacing every gasket and marginal hose I can. I have a new gasket for the fuel distributor but before I pull it off, I would like to know what the deal is with the spring loaded bolts that are positioned around the part. What is their purpose and what if anything do I need to do to make sure I don't screw anything up when removing and installing this part. Can't find anything in the shop manual.
Anyone shed any light on this? Pic below 
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11-07-2013, 06:09 AM
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Registered
Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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Thats a good question and I'm not sure but my guess is they are there in case a gigantic mind blowing backfire ever happened in the intake system then maybe those springs would compress a little and let the top and bottom halves of the air flow meter housing seperate a little and let the backfire pressure out instead of blasting the air flow meter sensor plate upwards and damaging it and it's mechanical linkage to the fuel distributor.
I can't think of any other reason for them. |
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11-07-2013, 09:19 AM
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Registered
Join Date: Oct 2006
Location: MYR S.C.
Posts: 17,321
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problem with that is there are i think 4 that are tightened all the way down, no springs.
i was mulling this over too as i was putting mine back on and i did think the same thing.
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86 930 94kmiles [_  _] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD88 BMW 325is 200K+ SOLD 03 BMW 330CI 220K:: [_ _] RUNNING: [__] NOT RUNNING:01 suburban 330K:: [_ _] RUNNING: [__] NOT RUNNING:RACE CAR:: sold |
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11-07-2013, 09:42 AM
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