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11-02-2015, 12:55 PM
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#1 |
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Registered User
Join Date: May 2011
Location: Fort Collins, Colorado
Posts: 95
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Flushing Power Steering Box
I'm replacing my power steering pump and it appears that the old fluid is a mix of ATF and PS Fluid... I think.
So what is the best way to flush out the stuff in the steering box? |
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11-02-2015, 01:13 PM
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#2 |
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Registered User
 
Join Date: May 2014
Location: PA
Posts: 1,417
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Re: Flushing Power Steering Box
Just turn it lock to lock and let it push it out. Don't worry about flushing unless you've got metal flakes in the system.
__________________
1967 C10, LWB, 250, Powerglide, PS, PB, 3/4 STATIC DROP |
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11-02-2015, 01:17 PM
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#3 |
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Registered User
Join Date: Jul 2015
Location: North East PA
Posts: 684
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Re: Flushing Power Steering Box
great way to get a fresh start ,just dump the old add new PS fluid then dump and run your system (turn wheels) again dump and add fresh. that should get you clean and fresh. they do also make inline PS filters ,witch is a good thing to add also.
Newer steering system (rack and pinion ) are more prone to issues from dirty fluid and due run hotter so fluid does break down ,most have filters built in to the system ,they also require changing fluid and filters at regular intervals. |
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11-02-2015, 01:24 PM
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#4 |
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Senior Member
Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
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Re: Flushing Power Steering Box
__________________
Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property"  "Be American, Buy American" 
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11-02-2015, 02:07 PM
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#5 |
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Registered User
Join Date: May 2011
Location: Fort Collins, Colorado
Posts: 95
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Re: Flushing Power Steering Box
Earnhardt#3,
Are you saying I can do this without the engine running? |
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11-02-2015, 02:19 PM
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#6 | |
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Registered User
Join Date: May 2014
Location: PA
Posts: 1,417
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Re: Flushing Power Steering Box
Quote:
__________________
1967 C10, LWB, 250, Powerglide, PS, PB, 3/4 STATIC DROP |
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11-02-2015, 02:22 PM
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#7 |
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Registered User
Join Date: May 2011
Location: Fort Collins, Colorado
Posts: 95
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Re: Flushing Power Steering Box
That is simple! Thanks!
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11-04-2015, 10:28 AM
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#8 |
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Registered User
Join Date: May 2011
Location: Fort Collins, Colorado
Posts: 95
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Re: Flushing Power Steering Box
I used Earnhardt#3 suggestion and captured this....
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11-08-2015, 01:05 AM
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#9 |
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Registered User
Join Date: Dec 2008
Location: Spring, TX
Posts: 54
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Re: Flushing Power Steering Box
https://www.youtube.com/watch?v=bZwrtf-BR7I
This is a good video on flushing the PS system from one of the major steering remanufacturing companies. Hopefully I copied and pasted correctly so you can see it.
__________________
Too many dreams, too little money. |
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11-08-2015, 11:49 AM
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#10 |
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Registered User
Join Date: May 2011
Location: Fort Collins, Colorado
Posts: 95
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Re: Flushing Power Steering Box
The link worked, and I found a nice list of fluids tested by Cardone.......
Thanks |
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11-08-2015, 03:24 PM
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#11 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Flushing Power Steering Box
I'm pretty sure ATF was the fluid specified originally. There's no issues mixing them.
__________________
My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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11-11-2015, 12:02 PM
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#12 |
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Registered User
Join Date: May 2011
Location: Fort Collins, Colorado
Posts: 95
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Re: Flushing Power Steering Box
After referencing the service manual, which in 1970 stated (1st choice) Power Steering Fluid and (2nd) ATF…. I decided to go with PS Fluid.
The crap in the bottle appears to be a mixture if anything……PS Fluid, AFT and motor oil(?). Wow this poor truck has had some rough years! Thanks for all the help. |
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