Author Topic: fuel pump replacement (Read 3613 times)

genna · « **on:** March 05, 2007, 03:02:01 PM »

Hi does anybody know whether any special tools are required to replace the fuel pump?
Went to go home last night wouldnt start gave the fuel pump a couple of taps and it got going, got it home checked voltage to the pump it was around 11v plugged back in tried to start wouldnt start give it a couple of taps and it starts up again the connectors and plug look to be in good condition no corrosion or rust. Anyone got any ideas?
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johna · « **Reply #1 on:** March 05, 2007, 04:01:02 PM »

Definately sounds like a faulty fuel pump to me.

Nothing special needed (just sockets, spanners, screwdrivers) unless the pump has been replaced previously and has been soldered (rather than using spade connectors), in which case you will need a soldering iron.

Have some rags and a jar/bucket to catch any spilled fuel otherwise you will have a smelly interior for a while.

Make sure you do this with all the doors open and have adequate ventilation and avoid any sparks.

genna · « **Reply #2 on:** March 05, 2007, 04:23:11 PM »

thanks for that mate
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RED IS 91 · « **Reply #3 on:** March 05, 2007, 04:49:29 PM »

http://www.esatclear.ie/~bpurcell/318ismaintenance.html#fuelpump
I did mine . It was quite easy .Just don't blow yourself up.
good luck

D. Clay · « **Reply #4 on:** March 05, 2007, 10:09:33 PM »

Wiggle the plug on the pump. Sometimes there's no friction between the connectors in the plug and on the pump. If so, bend the prongs slightly apart and go on.

christophbmw · « **Reply #5 on:** March 05, 2007, 10:17:35 PM »

......dont forget to replace your relay to.

pepe m42 · « **Reply #6 on:** March 10, 2007, 07:36:33 AM »

Is the fuel pump has one flow rate? example: at idle does it flow with the same pressure like at full throttle?

Tonyb · « **Reply #7 on:** March 10, 2007, 08:51:28 PM »

The regulator on the fuel rail takes care of that.

b318isp · « **Reply #8 on:** March 12, 2007, 03:51:14 AM »

For safety reasons, make sure the battery earth is disconnected, all windows (and sunroof is open) and I'd leave the doors open too. Petrol vapours are heavier than air and could accumulate at floor level.

I'd also recommend aluminium tools (non sparking).

Have some bolts ready to plug the disconnected pump hoses to.

Finally, I'd strongly recommend getting the full pump cradle (e.g. from BMW) rather than the pump alone. You will not have to solder the pump in and you will have a new filter for it too. Quicker to replace also.

genna · « **Reply #9 on:** March 12, 2007, 08:07:25 AM »

took it to mechanic specifically asked him to replace it with a genuine one about 3 times he charged me for genuine but when I got it home and checked i saw my old cradle pays to do these things yourself and I would have but the car is under warranty and they sent me to him guess he assumed i would never look so he thought make a bit off the warranty company charge me extra for genuine win win for him. I have since been reimbursed my portion bloody crook
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Honda T360