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Noisy rebuilt power steering pump
#2515136
06/29/18 11:57 PM
06/29/18 11:57 PM
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Joined: Nov 2005
Posts: 1,943 San Angelo, Texas, U.S.A.
1968RR
OP
top fuel
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OP
top fuel
Joined: Nov 2005
Posts: 1,943
San Angelo, Texas, U.S.A.
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I recently replaced my old Saginaw power steering pump with a new rebuilt AC Delco unit (which was advertised as having the Saginaw-style reservoir, but didn't). When I drive the car, the power steering seems normal, and the new pump doesn't leak, but it makes quite a bit of noise (especially at start-up). It's not a squealing type of noise, but one that sounds more mechanical (at first, I mistook it for loud lifter or rocker noise). I can hear it with the hood up, but it isn't loud enough to hear over the exhaust (which is pretty loud) when driving. Any ideas on the cause? ![shruggy shruggy](/ubbthreads/images/graemlins/custom/shruggy.gif)
"When I'm in a slump, I comfort myself by saying if I believe in dinosaurs, then somewhere, they must be believing in me. And if they believe in me, then I can believe in me." - Mookie Wilson
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Re: Noisy rebuilt power steering pump
[Re: NANKET]
#2515235
06/30/18 11:39 AM
06/30/18 11:39 AM
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Joined: Jan 2003
Posts: 10,757 North Dakota
6PakBee
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,757
North Dakota
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Stupid question but are you sure you are full of fluid? I chased a moaning, gurgling noise on a Chevy pickup once only to find out I was low on fluid.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Noisy rebuilt power steering pump
[Re: 1968RR]
#2515341
06/30/18 04:54 PM
06/30/18 04:54 PM
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Joined: Nov 2005
Posts: 1,943 San Angelo, Texas, U.S.A.
1968RR
OP
top fuel
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OP
top fuel
Joined: Nov 2005
Posts: 1,943
San Angelo, Texas, U.S.A.
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I didn't flush, I just refilled. I ran the car for a while to get the fluids moving, turned the car off, and then checked the steering fluid dipstick a few times and I didn't see any metal (the pump is full of fluid). The rebuilt pump was sent complete. The sound that it makes suggests a possible bearing issue. It gets a bit quieter after the engine has been running a minute or two. A couple of things: 1. The new pump (which was supposed to be a direct replacement, but wasn't) positioned the pulley about 1/2" closer to the front of the car than the old. I checked and the pulley is fully seated on the pump shaft. 2. The rebuilt unit came with two o-rings: one large, and one small. I assumed that they were included in case the high-pressure connection from the old pump needed to be swapped over to the new one. I didn't need use either o-ring.
"When I'm in a slump, I comfort myself by saying if I believe in dinosaurs, then somewhere, they must be believing in me. And if they believe in me, then I can believe in me." - Mookie Wilson
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