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Dishwasher not cleaning dishes; water not coming out of top spray arm

\015 *We Have disassembled the strainer below the bottom spray arm, but there was hardly anything to remove\012*poked at the holes in the top spray arm (in case they were clogged)\012*Used CLR to remove poss. calcium..build up (use hard water)\012*checked to make sure water hot enough & it does fill up to coil\012*top spray arm not working (dishes on top wrack were only slightly moist; from steam & arm was not wet underneath)\012*dishes at first were not cleaning only top rack, but now does not clean bottom rack either\012Have NOT: done anything with inlet valve & screen (does not make any hammering sounds to indicate it is starting to fail)--would this be the next step or what else would any one suggest we try \012\012WE are not experts, so, step by step instructions or where to find step by step instructions are appreciated.\012\012Thanks in advance...I will send feedback about what helps.\015

Answers :

You are right to go to the inlet filters. If they are clogged you would lose pressure, but not that much...The pressure pump is probably not outputting any longer. Locate it and see if it is moving freely.
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