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In tank fuel pump replacement 900 1994

posted by  mmal231294 on  Sat Jun 9 09:10 CST 2007
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last visit: Fri Mar 18 12:34 CST 2011
[RELATED]

Hi All
My main fuel pump started making a fairly loud bearing/whirring noise a couple weeks ago. As per FAQ I tested FPR and it seems to be functioning(pulled return while running and it filled a 12oz container in >30 seconds). I have pulled panel in wagon rear and am now looking at the top of sender unit. All clamps are rusted and shot. I plan on replacing these as well as the rubber tube inside that apparently splits/comes off and cleaning the sock. I will also replace the pump itself while in there as FCP sells them for 35$ and it seems like while your in there you may as well. My question is this, I see in the FAQ the following passage
which I dont understand the necessity for:
"First disconnect the hose coupling under the rear axle housing -it will be half-seized so apply penetrating oil, give it some time, use a proper flare wrench on the brass collar and an open end wrench as a counterhold to avoid twisting the metal line, work it back and forth with more penetrating oil once you get it started". I am confused as it looks like I can simply disconect this line right at the sender so why would I bother disconnecting it down there as well? If it is to relieve the line pressure I would think I could simply change the fuel filter(which I was gonna do anyway) or do so from the FPR? Any thoughts suggestions are appreciated.
Matt






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