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How To: Bosch 040 Fuel Pump In R33 Skyline Si / Sii

DRFT33

By DRFT33,
in Tutorials / DIY / FAQ

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chrisR34GTT Community Regular

chrisR34GTT

Posted
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Just did this to my car using all the stock hoses and wiring (just used crimped eyelets to get onto the terminals), but I am soo paranoid that when I start the car it will go kaboom. Am I being stupid or are there things I should double check?

Also is it just me or was the black cover an absolute bastard to take off AND put back on for anyone else?

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shotter
shotter

Great write up. I wish this was up before i did mine. Did you use petrol resistant hose and wire? You wouldn't want the petrol to eat away at them.

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  • 2 weeks later...
seriesII Mentor

seriesII

Posted
Posted

hi, could someone please tell me a walbro GSS341 is the same as this diy?, or does it need other mods to the braket?.. i got a walbro GSS341 skyline version with all the bits and pieces.. thanx

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gumflapper Grand Master

gumflapper

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wiring would be identical...

as for attatching it to the bracket i dont see why it would be that much different - looks like ull need smaller hose clamps tho... that pump looks tiny

fuel pump? - http://www.nissansilvia.com/forums/index.p...howtopic=343794

Edited by gumflapper
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seriesII Mentor

seriesII

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hey. thanx for the advice.. yeah they are small.. ive heared alot of people say that.. but seem to run well. i think.. wow.. i checked the link.. that is small. there is a pen next to it.. hope it works.. i got all the lamps and wiring in a walbro nissan kit..

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seriesII Mentor

seriesII

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just wanted to add some props and say thanx for the diy.. helped alot.. and worked well.. i poped a walbro 341 in. pritty easy, and sites in the cradle with no cutting or mods to the cradle, even sits nice at the bottom with the rubber thing that goes on the bottom of the pump.. thanx... been wanting to do this for a year..

i used the stock nissan fuel filter.. so much longer for god sake.. lol.. would have to be silly to put that small walbro filter in.. anyone know were i can buy a nissan r33 fuel filter for the pump?, i would like to replace the old one.. alot of cash for one?..

Edited by seriesII
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R33 Sleeper Community Regular

R33 Sleeper

Posted
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I got one thing to say - get a Walbro 255 l/hr.

I just purchased one brand new for $130 i.e. half the price of a Bosch!

It comes with a kit to fit the car (R33 etc) fits straight in - no cutting, no hose clamps.

Cheap and easy - these Walbro pumps are good quality items and will do the job unless you are chasing mega-kw

Hey mate, where did you get the kit from?

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Birds Grand Master

Birds

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Damn this was a bitch of a job. Never again! (well it might be easier now that I know all the correct lengths and methods to use for it).

You need thin arms and a good sense of touch cause you can't see shit inside the tank while you've got your arm in there installing the modified cradle back in. And positioning a 2kg pump at arm's length to sit in the right spot, sucks ass! Surprised I didn't smack my fuel gauge sender or damage the pump with the amount of banging around inside the tank it did.

Everyone in this thread threw me off when they started saying the OP's positioning of the pump on the cradle is too far down...it's actually about perfect when you're trying to get the pump as close to the bottom of the tank as possible. Still, I took the precautionary measure of cutting abut 3cm off the metal bundy pipe on the cradle, so that I could start the rubber joining hose further up and have the fuel pump hanging only 2cm or so off the hacksawed end of the cradle. The way I saw it, I could always just add more rubber hose if it was too short. Then I hoseclamped the pump to the cradle. I spent about 45 minutes trying to position this inside the tank, thinking the hoseclamps were getting in the way...so I took it out and repositioned them, only to find this did nothing. Just a bunch of false hopes (how annoying is it when you think the cradle is on the bracket and it's NOT?!?).

Finally I saw what was happening - fuel pump wasn't sitting low enough inside the tank and this wasn't allowing me the distance to clip the cradle forks back onto the bracket properly (hard to explain unless you've done this job). So I changed the fuel pump to sit in a similar position to OP's pictures...took about 5 minutes to get it on. It won't sit all the way down on the bracket, but as has been said already, you don't need it all the way down on the bracket, there is plenty of bracket to hold it on - more important is that the pump is sitting at the bottom of the tank. And it is: after installing the pump and driving very nervously to a servo (I know, should have had a jerry can on hand), I filled up with 56 litres :down:

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xALmoN Grand Master

xALmoN

Posted
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Damn this was a bitch of a job. Never again! (well it might be easier now that I know all the correct lengths and methods to use for it).

You need thin arms and a good sense of touch cause you can't see shit inside the tank while you've got your arm in there installing the modified cradle back in. And positioning a 2kg pump at arm's length to sit in the right spot, sucks ass! Surprised I didn't smack my fuel gauge sender or damage the pump with the amount of banging around inside the tank it did.

Everyone in this thread threw me off when they started saying the OP's positioning of the pump on the cradle is too far down...it's actually about perfect when you're trying to get the pump as close to the bottom of the tank as possible. Still, I took the precautionary measure of cutting abut 3cm off the metal bundy pipe on the cradle, so that I could start the rubber joining hose further up and have the fuel pump hanging only 2cm or so off the hacksawed end of the cradle. The way I saw it, I could always just add more rubber hose if it was too short. Then I hoseclamped the pump to the cradle. I spent about 45 minutes trying to position this inside the tank, thinking the hoseclamps were getting in the way...so I took it out and repositioned them, only to find this did nothing. Just a bunch of false hopes (how annoying is it when you think the cradle is on the bracket and it's NOT?!?).

Finally I saw what was happening - fuel pump wasn't sitting low enough inside the tank and this wasn't allowing me the distance to clip the cradle forks back onto the bracket properly (hard to explain unless you've done this job). So I changed the fuel pump to sit in a similar position to OP's pictures...took about 5 minutes to get it on. It won't sit all the way down on the bracket, but as has been said already, you don't need it all the way down on the bracket, there is plenty of bracket to hold it on - more important is that the pump is sitting at the bottom of the tank. And it is: after installing the pump and driving very nervously to a servo (I know, should have had a jerry can on hand), I filled up with 56 litres :down:

ooh, you're gonna help me when i change mine RIGHT?

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