Author Topic: Hydro Assist:box and pump mods  (Read 248618 times)

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possum

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Re: Hydro Assist:box and pump mods
« Reply #300 on: Nov 18, 2009, 09:54:43 PM »
My 10mm plug stripped out so I wust welded a nut to it. It came right out after that. (the heat helped)

dave-ger

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Re: Hydro Assist:box and pump mods
« Reply #301 on: Nov 22, 2009, 11:24:15 AM »
so, I just took apart my steering box and I'm all ready to drill and tap it. my problem is that I stupidly unbolted the input shaft housing before turning it all the way to the right until it stops to remove it, I got that and the piston out of there, but the piston was about 3/4 of the way or more from being off the input shaft, then it came off the rest of the way, there are a bunch of loose ball bearings in it and I'm not sure what to do to re-assemble it. it I just let the ball bearings chill in the bottom and try to put it back together, it's not too smooth, perhaps the bearings go inbetween the shaft and piston? hoping I'll get a helpful response on this by the time I finish tapping the box, and hopefully I explained that well.

thanks

possum

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Re: Hydro Assist:box and pump mods
« Reply #302 on: Nov 23, 2009, 05:10:27 PM »
Well for anyone rebuilding their box heres a "How too" http://web.archive.org/web/20050322011020/http://128.83.80.200/taco/box.html

I got my box back together and believe it or not it works! For the square cut teflon o rings just use a hose clamp to make them smaller once you get them on. Theres a pretty easy way to get the 44 little balls back in place.

On the piston the worm gear threads into, it has a cap that can be unthreaded and taken off. Then fill the little "tube with as many as you can and put the worm gear in an inch or so. Dump the bearing into the top of the piston and thread it in and they will fall into place. Took me about 5 minutes to get them all back in.

dave-ger

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Re: Hydro Assist:box and pump mods
« Reply #303 on: Nov 23, 2009, 07:52:03 PM »
thanks man, I tried the tube thing, but didn't manage to make it work. what I did was grease the inside of the piston, and put 3 ball bearings in at a time, then ran them to the front as far as they would go (into the tube for the first few) and repeated. wasn't that bad, I kind of got a description of how to do it from that link you posted a little after I posted the question.

sorry for not seeing what you quoted earlier.

hopefully this will at least help someone else later on.

twistedtoy92

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Re: Hydro Assist:box and pump mods
« Reply #304 on: Nov 23, 2009, 11:20:50 PM »
great write up!  :biggthumpup:  :beerchug:
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #305 on: Jan 11, 2010, 06:54:13 PM »
my restrictor plate doesnt look like that or come apart it is off of a 97 3rz anyone have any ideas.... i am thinking to just drill it out
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freds40 [OP]

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Re: Hydro Assist:box and pump mods
« Reply #306 on: Jan 11, 2010, 08:18:30 PM »
If your Taco pump is like the one I worked on with 2 smaller holes next to each other rather than 1 in the middle, then you can't drill it out. The restrictor on the one I worked on had a large air gap in the middle so drilling into it just opened up the whole area. Kinda sucked..........but now I know.  :gap:
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #307 on: Jan 11, 2010, 09:37:37 PM »
mine has a single hole in it but it is one piece. so ima just drill it out and run it seems to be what everone else did.
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #308 on: Jan 21, 2010, 03:31:59 PM »


this is not a grinder mark it is from beating the sector shaft out with a hammer. one of the teeth scarred the housing because the teeth are off centered from the sector shaft and if the teeth are  not centered when removing or installing they will scar the housing like this due to forcing the shaft.
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Yota4life

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Re: Hydro Assist:box and pump mods
« Reply #309 on: Jan 21, 2010, 05:32:34 PM »


this is not a grinder mark it is from beating the sector shaft out with a hammer. one of the teeth scarred the housing because the teeth are off centered from the sector shaft and if the teeth are  not centered when removing or installing they will scar the housing like this due to forcing the shaft.

That sounds right. I filled it with JB weld and smoothed it out and its been like 2 years now and still not a single leak.
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #310 on: Jan 21, 2010, 05:35:33 PM »
yeah it isnt on the high pressure side and the seal only sits inside the box about an 1/8th of an inch
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83yotachad

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Re: Hydro Assist:box and pump mods
« Reply #311 on: Jan 21, 2010, 07:57:52 PM »
Very good post! I ended up with to boxes do to not reading completely. The 1st one I have not been able to get it back together do to them little balls gerr it got me drinking. The 2nd one I got it done and installed yahoo!  I read some where that some one took two stock reservoir's cut the bottom off one and the top off the other cleaned them out and welded them together I have it plumped in I don't think something is wright I have so much pressure that it comes out the bottom of the cap so I took the reservoir out and connected the steering box to the pump and did not have that problem of high pressure but when I shut the engine off it over flows out of the top of the power steering pump even thoe there is hardly next to nothing in the psp before I shut it down. O a little insight to what I have  82/83 toy pickup with a Chevy 283 stock steering pump toy steering box and a 2X8 ram . I might of left something just ask ! Iam open to any ideas .
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83yotachad

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Re: Hydro Assist:box and pump mods
« Reply #312 on: Jan 23, 2010, 11:59:16 PM »
Anyone?
some day Ill fill out all my info...
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #313 on: Jan 26, 2010, 02:04:35 PM »
well your ram is too big most people use a 6 in ram.  and you need to increase the volume in your system by adding a cooler and/or cutting the resivoir and scabbing one together.
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83yotachad

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Re: Hydro Assist:box and pump mods
« Reply #314 on: Jan 26, 2010, 02:38:04 PM »
well your ram is too big most people use a 6 in ram.  and you need to increase the volume in your system by adding a cooler and/or cutting the resivoir and scabbing one together.

If your talking to me I have 3/4 ton Chevy axles!  I have all ready scabbed one together you would know that if you read my whole post!
some day Ill fill out all my info...
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Re: Hydro Assist:box and pump mods
« Reply #315 on: Jan 26, 2010, 09:28:58 PM »
If your talking to me I have 3/4 ton Chevy axles!  I have all ready scabbed one together you would know that if you read my whole post!

You do not deserve any response  :tantrum:
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83yotachad

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Re: Hydro Assist:box and pump mods
« Reply #316 on: Jan 28, 2010, 04:10:55 PM »
 
You do not deserve any response  :tantrum:


:dunno: What I do? I was just sayin I all ready did that of what he was sayin.  :gap: Or is it the fact I am usein 3/4 ton chevys? BTW you all ready gave me a response  :yupyup:
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swapped89

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Re: Hydro Assist:box and pump mods
« Reply #317 on: Mar 27, 2010, 03:51:22 PM »
If your Taco pump is like the one I worked on with 2 smaller holes next to each other rather than 1 in the middle, then you can't drill it out. The restrictor on the one I worked on had a large air gap in the middle so drilling into it just opened up the whole area. Kinda sucked..........but now I know.  :gap:
I completely drilled mine out to 5/16" then filled it with JB weld and then re drilled it to 12/64 or 3/16" i might need to go up to 13/64 because...
Well its all done and back together AGAIN! and the darn thang dont work right. If im sittin still in the shop tires on the ground it works great feels good and super easy to turn the tires. If i turn the wheel too fast or at a normal turning speed its like the power steering has gone completely out!! :hammerhead:
I guess i should check out those saginaw pumps. cause I know everything is correct I have pulled it all apart 3 times now! This is givin me such a headache. It wont even turn as easy as a regular stock steering system.
Any one got some more input?
And i replaced my nicked teflon seal with a good one!
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #318 on: Mar 27, 2010, 04:07:20 PM »
Quote
If your talking to me I have 3/4 ton Chevy axles!  I have all ready scabbed one together you would know that if you read my whole post!

well if you would have read the hydro assist thread you would know that you need to run a 1.5 in ram and not a 2 in one. and you would know that 8 in is also long no matter what axles you have.    :hammer:
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83yotachad

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Re: Hydro Assist:box and pump mods
« Reply #319 on: Mar 27, 2010, 09:24:18 PM »
well if you would have read the hydro assist thread you would know that you need to run a 1.5 in ram and not a 2 in one. and you would know that 8 in is also long no matter what axles you have.    :hammer:

To long ? I can turn full lock to lock and not have any problems! I know jeep people running the 2x8 for quite a long time and have never had a problem. I just wish I had enough room to run an Saginaw steering box then all my problems would be over with this steering issue!
some day Ill fill out all my info...
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #320 on: Mar 27, 2010, 09:48:41 PM »
then buy a jeep
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83yotachad

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Re: Hydro Assist:box and pump mods
« Reply #321 on: Mar 28, 2010, 09:44:44 AM »
then buy a jeep

nope I like my Toyota! "O" BTW I did read the whole wright up 3 times over! At the time I had the money to buy the ram the 2X8 was the only one they had and It was local If I wanted the 1.5 I would of had to wait and it would of been $120 + shipping + everything .

I payed $110 for 4 fittings 2 hydro lines and my ram all new not used
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potter85

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Re: Hydro Assist:box and pump mods
« Reply #322 on: Apr 04, 2010, 07:56:08 PM »
surplus center has quick disconnect fittings now that hold high pressure which would be cool to run out of your box just in case a line gets snagged or any other reason you would want to remove the ram
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swapped89

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Re: Hydro Assist:box and pump mods
« Reply #323 on: Apr 04, 2010, 09:03:52 PM »
That's pretty sweet!
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MattyB4x4

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Re: Hydro Assist:box and pump mods
« Reply #324 on: Jul 27, 2010, 10:04:53 AM »
My 10mm plug stripped out so I wust welded a nut to it. It came right out after that. (the heat helped)

I stripped mine out as well and got it out with a "bolt extractor" set.  However, now my 10MM plug is junk.  Does anyone know what thread/size this is?

I was told m20x1.5 straight thread.  I have also found M20x1.5 pipe plugs.  This is the ONLY things stopping me from getting this back on the truck.

Thanks!
1990 Toy - SAS, 30 splines, duals w/ 4.7, Detroits f/r, shaved IFS rear housing, hydro assist, 40's....winch, tube, flatbelly to come.

E YOTA

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Re: Hydro Assist:box and pump mods
« Reply #325 on: Dec 25, 2010, 10:37:54 PM »
anyone??? 3.4 motor... drilled mines out to 13/64 and now it makes a whine around 2500 rpms...should i put back a stock restricter? or is that normal...
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yotatough

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Re: Hydro Assist:box and pump mods
« Reply #326 on: Dec 26, 2010, 12:16:34 AM »
anyone??? 3.4 motor... drilled mines out to 13/64 and now it makes a whine around 2500 rpms...should i put back a stock restricter? or is that normal...
put a stock one back in and see if it fixes the whine, and see if it performs the same?

85yotapolo

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Re: Hydro Assist:box and pump mods
« Reply #327 on: Jan 04, 2011, 01:40:56 PM »
when you drill the hole on top for the vein how far down do you go??

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Re: Hydro Assist:box and pump mods
« Reply #328 on: Jan 04, 2011, 02:43:35 PM »
Nice right up by every one who put here knowledge into this
Advancement , but I have a different prob.
My steering wheel bounces back and forth due to the ps box being sloppy
,old idk the miles, any ideas on how to fix this shimmy back and forth on the road will help

By the way I don't have hydro ass. Ifs box and high steer and steering stabali ect
Thanks     

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Re: Hydro Assist:box and pump mods
« Reply #329 on: Jan 04, 2011, 02:45:14 PM »
when you drill the hole on top for the vein how far down do you go??
about 3/8ths on an inch down.  be carefull not to go to deep.  just keep checking it once you get down a little.  better safe than sorry.  it will be very obvious when you get to it.  usually, the bit will catch a bit right before you get into the vein.  hope this helps.
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