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Saginaw Power steering Box
#1
My power steering box is leaking and i want to strip and rebuild it myself. Having never done this job before can i call on assistance of members if i need it

Steve
1971 Grandé
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#2
I will look in the Ford manual and if it gives good detail I will scan and post it.


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
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#3
I did about a half dozen of them over the years. The only real specialized tool you need is an inch pound torque meter to set the preload on the gears. I borrowed one from a friend that's an aircraft mechanic, as they were $300 or so from Snap On. You'll also need a bearing & seal driver set to R&R the needle bearing in the main case. Rebuild kits are under $30 on RockAuto

https://www.rockauto.com/en/moreinfo.php...92&jsn=559

Full rebuild instructions are in the Ford shop manual, that's the procedure I used.


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#4
I've done mine and posted on it recently. It is not too hard to do yourself, but there are some good, some bad, videos on YouTube that will give you a heads up at least. If it just a leak, resealing may work, BUT the sector shaft will likely be chewed up from years of dirt getting in. There is no seal there. You would need to get that hard chromed and reground. I was unable to find a supplier of reman sector shafts.
If you have too much free play on your steering wheel, the only correct way to remove or reduce that is to install larger balls. Problem is there are no kits available  anymore, I know, I tried to find them. I was fortunate to have a rebuilder sell me a few to do mine. The stock size either in a fixed ratio 17.5:1 or variable ratio at 16 & 13:1 is .28125" diam.  Ford manual list them to 5 decimals, but they can no longer be bought from Ford. Foir my VR box with 24 balls, I used 12 @.28125 and 12 @ .28141' Bit of a guess, but the company I got the balls from told me that's what they usually find works.
See document below
Here's the post
https://www.7173mustangs.com/thread-sagi...ox-rebuild 
I have not yet installed this rebuilt box, still on the to-do list. It will be done soon and I'll update my thread with the results.
Geoff


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I learn something new every day!
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#5
Bentworker also did a lot of research on the steering boxes and what's required to rebuild them
https://www.7173mustangs.com/thread-play...ebird-12-7?



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#6
+1 Don.
 Bentworker has done a lot of excellent research and has great info especially with ratio upgrades.

I learn something new every day!
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#7
Thanks everyone for the imput. I learn more from watching someone preform a task. I know some people learn easier from a book. I suppose its because we are all wired differantly(Thankfully) and thats we learn differantly

Steve
1971 Grandé
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#8
runninpony 
I paid a shop 150 bucks to do that.

71-73 Mustangs never die, they just go faster!
[+] 1 user Likes NOT A T5's post
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#9
(04-11-2019, 05:33 AM)NOT A T5 Wrote: I paid a shop 150 bucks to do that.

Here in the UK i was quoted £300 which equates to around $400

Steve
1971 Grandé
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#10
(04-11-2019, 07:02 AM)Pegleg Wrote:
(04-11-2019, 05:33 AM)NOT A T5 Wrote: I paid a shop 150 bucks to do that.

Here in the UK i was quoted £300 which equates to around $400

Your life depends on brakes and steering. If you are not confident with your ability to repair or rebuild these parts, pay someone who is competent to do that work. Trouble is finding someone competent!! That's why I learned how to do it myself...….. and I'm still alive!
As for your PS box, if it is not leaking, usually on the sector shaft seal, and you do not have more than 1" free play on the steering wheel, I'd say leave it alone. At least for now. If it is leaking or the free play is excessive, you're sawing on the wheel just to keep the car going straight, then time to rebuild it.
Hope you get the pump issue sorted. That's the one thing I have not had to play with yet. The clown who f'd up my PS box, actually did a good job on the pump.
Geoff.

I learn something new every day!
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