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Topic ClosedReplace Check Valve in ShurFlo 4008 Pumps
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furpod View Drop Down
Moderator Group - pHp
Moderator Group - pHp
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Joined: 25 Jul 2011
Location: Central KY
Online Status: Offline
Posts: 6128 		Direct Link To This Post Topic: Replace Check Valve in ShurFlo 4008 Pumps
    Posted: 03 Aug 2018 at 10:01am
Thanks for the walk through.. I replaced the entire front housing on ours a few years ago.. because of a failed pressure switch.. was easy peasy.
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CharlieM View Drop Down
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Joined: 23 Nov 2012
Location: N. Colorado
Online Status: Offline
Posts: 1797 		Direct Link To This Post Posted: 03 Aug 2018 at 9:44am
To all my fellow campers suffering from check valve failure on ShurFlo 4008 series pumps. Symptoms are frequent pump cycling with no apparent leaks and/or city water backfilling the FW tank. The steps are:
  • Order ShurFlo check valve replacement kit P/N 94-800-03
  • Remove three screws
  • Remove and replace three plastic parts and one spring
  • Reassemble and reinstall three screws
  • Check for leaks
Ten minutes if you're slow. I didn't even have to remove the pump. Simple fix when the standard "recycle to remove sand" procedure doesn't work.
Charlie
Northern Colorado
OLD: 2013 RP-172, 2010 Honda Pilot 3.5L 4WD
PRESENT: 2014 Camplite 21RBS, 2013 Supercharged Tacoma 4L V6 4WD
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