Chip for Model Number Bosch SHU3322UC/14 Suspect CIRC pump. Rattle noise and very low water flow to lower arm, none to top. Low drain pressure. Dual function pump for circ & drain? Have a printed disassembly instruction ? All other functions fine and pump motor quiet.....should be OK to replace pump kit only.
Answer Hello Chip. 00642239 is the drain pump assembly. Based on the information you provided, it sounds like the circulation pump 00239144 is bad and will need to be replaced. Hope this helps. Read More... Answered by AppliancePartsPros.com | Monday, November 21, 2011