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Old 08-21-2015, 10:25 AM   #1
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Holiday Rambler Owners Club
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Location: Massachusetts
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Onan 5500 fuel pump

After reading many posts, I may need a new fuel pump. Problems is, how does one get to it? It is tucked under the generator and hidden by the frame of the RV.
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Old 08-21-2015, 10:40 AM   #2
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Just replaced mine it was the original pump (2003) get you some 1/4 inch fuel line and new clamps and a 10 mm socket and ratchet remove the 2 bolts and they are lock tight in place if it has never been replaced. I did not have to squeeze the fuel line close. Install new filter and install adapter on other end put new hose on output side of pump and clamp in place then run wires and fuel line.

2003 Sightseer 33L
Ford F53
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Old 08-23-2015, 06:03 AM   #3
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Beethoven, I see your problem. Can you see the output side of the pump from above? I just changed mine, as I remember their is just the strap holding the pump on, so if you can disconnect the out-put then the strap you got it.. Side note, I saw new pumps on Amazon for around $35,, after I installed one that cost $95.
2004 National See Breeze LX8375, Towing a 2012 Liberty
retired. Now What?
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fuel, onan

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