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Re: Noisy Bosch fuel pump on my tii - is this norm (archive)

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Posted by Guibo on September 09, 1999 at 01:00:23:

In Reply to: Noisy Bosch fuel pump on my tii - is this normal?? posted by Oliver Holm on September 09, 1999 at 00:47:43:

: As far as I can remember, because its a tii, the pump is electronic, as opposed to mechanical pump on standard 2002. We had the 'original' pump replaced last year, and ever since installation the newie has been quite noisy, the volume (noise, that is) varies a bit, mostly it seems to be depending on whether the engine has been running for a while, say, when I've been for a bit of a spin its really noisy, like when I'm iddling at the lights I can hear it whirring from the cabin very easily-it competes with the radio. My understanding is that it should only be working hard enough to maintain fuel levels getting to the engine,and then just circulating excess fuel, but it seems to be sending fuel around at a much faster rate than necessary (I'm guessing). I'm afraid its going to wear itself out or something! Is this normal? - when the local Bosch dealer listened to it he just said: "so??" really helpful! Does anyone have any advice??

: Thanks in advance
: Oliver

perhaps the noise is linked to the rubber mounts on the pump. Seeing as you had work done, I would check and make sure that all three are there. These mounts are not exactly an on the shelf part and may have not been replaced with the pump. Is the car suffering from any fuel starvation? Maybe a clogging sender in the tank, or the accumulator at the pump.

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