Quote:
Originally Posted by Impureclient
Somebody needs to look at why some of the TSB fixes worked for some and not others. I definitely was chirping and after the fix, it's gone.
Maybe it's something weird like a screw too tight/not tight enough somewhere in the process? There's a reason that it works for some and not others.
I can't believe nobody hasn't pinpointed where the noise originates from exactly.
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Well now, as mentioned up above:
"Some vehicles may have components which in combination with certain fuel temperatures and / or formulations, may result in aeration of the fuel within the body of the pump and cause this sound".
ALL you have to do, there, @
Impureclient is to sort that out and you have your answer -
HINT: the HPFP is a mechanically driven, positive displacement, high pressure, liquid pump.
Soooo, -
humfrz