Changing fuel pump

l33haw

Re: Changing fuel pump

Post by l33haw » Mon Jul 09, 2012 6:40 pm

[quote="ChuckUK"]
Is that the fuel filter they change every year in the 2nd pic, silver with black writing ?
[/quote]

Yeah. For reference it's on the other side on the Atom 2.

ChuckUK

Re: Changing fuel pump

Post by ChuckUK » Mon Jul 09, 2012 7:02 pm

I wonder why they call that the secondary when it appears first inline.

l33haw

Re: Changing fuel pump

Post by l33haw » Mon Jul 09, 2012 7:12 pm

[quote="ChuckUK"]
I wonder why they call that the secondary when it appears first inline.
[/quote]

I think there's one in the tank.

ChuckUK

Re: Changing fuel pump

Post by ChuckUK » Mon Jul 09, 2012 7:18 pm

Makes perfect sense  :tu:

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smokin
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Re: Changing fuel pump

Post by smokin » Sun Jan 13, 2013 8:00 am

Old thread but doing some DIY maint. and an answer to this would be helpful. The red can to the left of the fuel filter in second pic, a swirl pot?

Thanks
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John Scherrer
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Re: Changing fuel pump

Post by John Scherrer » Sun Jan 13, 2013 10:55 pm

Not a swirl pot. This is only about 1.5" or 35mm in diameter ..

A swirl pot removes any trapped air in the fuel due to surge in the tank or drawing air on cornering or sudden acceleration/deceleration and would be much bigger and located in adiffreent part of the fuel system.

This is a fuel pressure regulator I believe.
The fuel exits the tank (fuel pump is inside the tank) and enters the fuel filter from right to left. The filtered fuel then goes through the pressure regulator right to left. The top connection feeds excess fuel back to the tank's return feed.

I believe there is a primary fuel filter inside the tank as an integral part of the pump assembly.

Here's a closer view and one from another angle :-

1.
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Last edited by John Scherrer on Sun Jan 13, 2013 11:02 pm, edited 1 time in total.
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John Scherrer
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Re: Changing fuel pump

Post by John Scherrer » Sun Jan 13, 2013 10:56 pm

2.
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smokin
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Re: Changing fuel pump

Post by smokin » Mon Jan 14, 2013 6:39 am

Thanks for that John, much appreciated.
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speedmachine
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Re: Changing fuel pump

Post by speedmachine » Mon Jan 14, 2013 9:05 am

is this secondary fuel filter a honda part? Or an other specific type? Need to swap mine...
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smokin
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Re: Changing fuel pump

Post by smokin » Mon Jan 14, 2013 9:20 am

Factory fits Fram G5312 but as of March it's been replaced by G6400. Available for £11+vat from inlinefilters.co.uk for us DIYers
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Re: Changing fuel pump

Post by speedmachine » Mon Jan 14, 2013 9:44 am

Ah I see, I will have a look what's on there on my car and replace it with whatever is on there.

I assume there is no pressure when the car is turned off, so I guess it's just unclipping, replace and place clips back on?
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smokin
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Re: Changing fuel pump

Post by smokin » Mon Jan 14, 2013 11:37 am

There's likely to be pressure so pipe clamps on the inlet/outlet advised plus a rag handy
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speedmachine
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Re: Changing fuel pump

Post by speedmachine » Tue Jan 22, 2013 1:32 pm

[quote="smokin"]
Factory fits Fram G5312 but as of March it's been replaced by G6400. Available for £11+vat from inlinefilters.co.uk for us DIYers
[/quote]

Can't read any number on mine, is it always safe to use the G6400? Or could there be any difference on Atom2-3 or 3,5? I would say, it's a secondary filter, same engine/ fuel still has to be equally clean, but I was surpised about stuff in the past...
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Re: Changing fuel pump

Post by smokin » Tue Jan 22, 2013 1:36 pm

I would give the factory a quick call to be sure
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dc5ian

Re: Changing fuel pump

Post by dc5ian » Sun Jan 18, 2015 11:24 am

sorry to bring up a old thread...

question really goes to john.. did they have the tub installed prior to putting in the fuel tank...

ive got my engine out, and still cant get the fuel tank out without dropping the tub..

ive seen posts saying that you can remove the tank buy removing the water pump and jacking up the nearside section of the tank, as high as it will go before dropping it down on the offside..

i have a aa2 and this is not possible.

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