Hydraulic pumps can growl for other reasons besides the pump. A bad rack can also make a pump growl. Any restriction on the inlet will also cause pump noise as the fluid aerates under vacuum. It can also be a bad rebuilt pump! Very common as the core was probably sent in noisy and they did not find out why during the so called rebuild. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of John Rodgers Sent: Saturday, July 30, 2011 7:03 PM To: vanagon@GERRY.VANAGON.COM Subject: How much noise is acceptable in a rebuilt power steering pump? I just installed a new pump on OL' Red, my 88GL daily driver, and the pump is nearly as loud as the one I took off the van. The old one was really growling, and the new one is only a bit better - still loud. This is a Beck/Arnley rebuilt and I've had good success with that product line, but this particular one sucks!! Any ideas on what sound levels are acceptable for rebuilt pumps? Thanks, John -- John Rodgers Clayartist and Moldmaker 88'GL VW Bus Driver Chelsea, AL Http://www.moldhaus.com |
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