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05-02-2013, 05:07 PM | #1 |
Registered User
Join Date: Jan 2013
Location: snellville, Ga.
Posts: 12
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foaming power steering fluid
I changed the power steering pump out on my 3/4 ton that has hydro-boost brakes. the pump I took off was one that has the remote fluid container. I changed to one that is self contained fluid. my problem is when I started it up and turned the wheel, it jerked, and sounded like it was way low on fluid. I cut it off, and took the cap off to check, and pink foam just poured out, I assume its getting air in it somewhere, but it wasn't leaking anywhere, so all the fitting were tight. anyone had this problem, I'm stumped as to what it is causing it. any help ??
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05-02-2013, 05:12 PM | #2 |
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Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
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Re: foaming power steering fluid
How pink? If strawberry shake it most likely has water in it. Was this a used pump/reservoir?
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Devin 1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt 1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050 1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350 My Introduction with my '83s History New Daily, the '96 |
05-02-2013, 05:28 PM | #3 |
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Join Date: Jul 2009
Location: Northern California
Posts: 411
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Re: foaming power steering fluid
Fyi when you replace the fluid make sure to use the clear power steering fluid, reason being if its red its atf and it doesnt have a anti foaming agent.
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1991 Chevy suburban 3/4 ton 4x 4:56 and pulls great 1979 Chevy 1/2 ton long bed diesel 1974 Chevy crew cab short bed 3/4 ton 4x4 project 1991 Chevy suburban 2wd 1984 Chevy suburban 3/4 ton 4x 6.5 detroit with turbo 1961 Chevy pickup 1/2 ton 2wd 1975 gmc crew cab short bed 2wd |
05-02-2013, 05:55 PM | #4 |
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: foaming power steering fluid
ATF there,causes leaks sooner,voids a pump warranty too
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
05-02-2013, 06:32 PM | #5 |
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Join Date: Aug 2009
Location: S.C.
Posts: 1,593
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Re: foaming power steering fluid
You also have to force out a lot of trapped air. If I'm picturing it in my mind correctly, the hydrobooster (?) is sitting higher than the reservoir, complicating matters.
I changed out my steering box and it took some time for the foam and a full res to stabilize. I ran mine for a few minutes, let it sit for about 1/2 hr, top off, repeat. Don't know if it's the correct procedure, but it worked for me. Gave time for the foam to settle before I tried again.
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'86 C-30 dually, 454/tbh400 '73 K-20 350/350/205 (sold ) I'm kinda like duct tape- no real purpose, but handy to have around. |
05-02-2013, 07:38 PM | #6 |
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Join Date: Jan 2013
Location: snellville, Ga.
Posts: 12
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Re: foaming power steering fluid
thanks for the help, I did buy it used from pull a part, it had a reman sticker on it from some co. The foam is strawberry pink, come to think of it, it did have red fluid in it, and I didn't think to drain it out, but topped it off with lucas power steering fix. I did check it a while ago, and the foam was gone.
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