vibrating fuel pump

[pineapplegti]

what up guys i just got done replacing a control arm due to the recent snow on the 58 rev'ing my car lmao .. anyways since i was working on the car i went to address my mystery vibrating fuel pump. The pump was replaced about a year ago. i pulled it out and the housing seemed like it was loose ( the metal brace that the actual pump sits next too.) anyways i shimmed it with a piece of fuel line but i can still hear the pump changing tone . has anyone else delt with this ? thanks

[lordofthewaters]

If you're talking about your 91 325i, the fuel pump is in your tank, and there should be no metal "brace" under your seat.

[pineapplegti]

im talking about the chassis that the fuel pump sits on.. i had the fuel pump in my hand today :) trying a borrowed pump tommorow to see if it fixes my problem.. the car is really laying down after 5k

[Mike325]

Sounds like you are describing an eairly model car's fuel pump. They are located behind the driver's rear wheel. The pump on your car, however, should be in the tank on the driver's side like metioned before. It is mounted in the tank from the top and can not move or vibrate. Are you maybe talking about the filter?

[pineapplegti]

no what has happened is that the actuall fuel pump that sits in the chassis in the tank vibrates and hits the chassis and makes weird noise.. i was having a fueling problem but i fixed that ( clogged fuel filter ) i was just wondering if anyone else had problems with the actual pump coming loose in the chassis.

[fretburnr]

i think he's talking about the in-tank pump carrier, the assembly to which the late-model pumps are mounted.

[pineapplegti]

update.. ok my fuel filter was clogged to hell.. bad enough where my car would hit 5k and sputter and cough.. the pump is kinda loose in the bracket / chassis so im gonna shore that up before putting it back in. well see what happens.anyways now that that the fuel filter is kosh i have a test pump (e36 318is in a e30 housing ) and it runs great and the pumps noise doesnt change tone. i think the old pump was fighting with the filter..

[Mike325]

Does it sound better after the 5k thing?

[pineapplegti]

well im running a borrowed pump right now and the tone never changes on that now that ive replace the filter.. ill install my old pump prob in the morning.. btw change your fuel filter lmao.. my car feels totally different now :) now i can actually feel the conforti chip