tegwin
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| posted on 30/9/09 at 08:29 PM |
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Random bit of hardware from siera...do I need it?
My old man took the Robinhood for a blast this afternoon and phone me to say the car had "stopped" and wouldnt run...
I drove out to him and after some investigation I found what I believe to be the fault...
The standard mechancial fuel pump on the engine pushes fuel into what looks like a cylinder with random bits sticking off it next to the engine.....
there is one pipe from this random thing to the carb, and another pipe returning to the tank at the back of the car... The device was from the
sierra...
Whenever you turned over the engine the fuel was being pumped into this "device" and then being returned to the tank without reaching the
carb...
So I bypassed this "thing" by connecting the pump straight to the carb via a filter to get the car home..
Now my questions..
What is the "thing" in question?
And do I need it?
Can I get away with just connecting the fuel pump straight to the carb without risk of overfilling the carb etc?
[Edited on 30/9/09 by tegwin]
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www.verticalhorizonsmedia.tv
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rusty nuts
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| posted on 30/9/09 at 08:31 PM |
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Bin it!
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flak monkey
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| posted on 30/9/09 at 08:32 PM |
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quote:
Originally posted by rusty nuts
Bin it!
Ditto
Sera
http://www.motosera.com
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nick205
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| posted on 30/9/09 at 08:35 PM |
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It's most likely the vapour collector and fuel return unit. Get rid of it and leave the output of the fuel pump connected directly to the carb
inlet.
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02GF74
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| posted on 30/9/09 at 08:36 PM |
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it is a fuel pressure regulator and/or vapout separator - used to stabilise the fuel pressure to the carb.
regulator provides contant fuel pressure to the carbs hence maintains a constant float level in the carbs which reduces exhaust emissions.
vapor separator purges vapour from the carb fuel supply thus improving hot starting qualities.
[Edited on 30/9/09 by 02GF74]
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Bluemoon
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| posted on 1/10/09 at 01:17 PM |
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^^^ dito, it's there for a reason (not to say you can't get away without one..).. I also think there is a fuel filter in mine (came from a
1.8 CVH sierra)...
Dan
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coozer
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| posted on 1/10/09 at 01:22 PM |
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Chuck it, I came across one in the garage the other day and looked at it wondering what the hell it did.
It may help save the fuel pump in a zero maintenance 200K tintop but not in our less used well looked after, recovery backed specials
1972 V8 Jago
1980 Z750
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