Author Topic: Rodeo Power Steering Pump -  (Read 424 times)

Online goodfellow

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Rodeo Power Steering Pump -
« on: November 25, 2017, 04:43:12 PM »
The noise started a few days ago and a quick check with an automotive stethoscope confirmed the fact that this PS pump was toast. The bearing noise was horrendous. In the course of a week it went from "hardly noticeable" to "screeching like a banshee". You guys all know the drill with PS pumps. The hardest part is always with the pulley.

I ordered a rebuilt pump from Rock Auto -- 2 day delivery; Rock Auto is getting better at this game.



I like to make room when I work. That's why I drained and removed the upper radiator hose and the air intake box. That leaves plenty of room to get a wrench in and out.





I clamped off the low-side fluid hose, but it still leaked a lot from when I undid the high pressure side. Oh well!!





Can't remember when I last used a 24mm wrench -- and this banjo bolt was really stuck, and needed a lot of leverage to get it to move.



Pesky 14mm pivot bolt was in a pretty tight space. It comes through from the back of the pump. Thankfully a long handled flex 1/4" ratchet made the job easier.



The rest was held in by a 14mm clamp bolt on the adjuster -- pretty straight forward.



Now comes the fun part -- First thing to be switched over is the pressure sensor. It was on tight!! It has a very shallow 6pt flange and putting a lot of pressure on it with a wrench could damage it. Fortunately I do have a set of these -- an older KD Through Socket set that's open in the middle and was the perfect way to put a LOT of leverage in that sensor. Sometimes the through-access sockets come in handy as anything.





That one did the trick -- easy to remove and easy to reinstall.



The pulley was another matter -- my 1/2" impact wouldn't budge it (after 22 years I didn't expect much better), but a bit of O/A persuasion did the trick.





Everything was cleaned and moved over to the new pump, and it was ready to install.





The banjo bolt received new copper washers and all the fittings were double checked for leaks.



Everything put back in order and the reservoir was refilled with fluid -- a few turns of the steering wheel left/right to bleed and refill, and we're good to go.



This old car is good for one more winter -- then (unfortunately) it will need to go to the crusher -- rust has taken it's toll and the frame is trash.






 
« Last Edit: November 25, 2017, 04:48:47 PM by goodfellow »

Offline fatfillup

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Re: Rodeo Power Steering Pump -
« Reply #1 on: November 25, 2017, 05:17:12 PM »
Neat trick on the pinch off pliers, needle nose vise grips with hose slipped over.  Pretty slick.  I have several pair of regular pinch off pliers as they get used quite often but I'll file that idea in the old memory bank.
That scalloped box end is one of the few BB features that doesn't make Elroy puke

Offline kwoswalt99

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Re: Rodeo Power Steering Pump -
« Reply #2 on: November 25, 2017, 05:20:02 PM »
Neat trick on the pinch off pliers, needle nose vise grips with hose slipped over.  Pretty slick.  I have several pair of regular pinch off pliers as they get used quite often but I'll file that idea in the old memory bank.

I'll have to get a pair of those.
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Offline stokester

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Re: Rodeo Power Steering Pump -
« Reply #3 on: November 25, 2017, 06:42:18 PM »
Great post, I always like a picture story on repairs - I always seem to forget to document.

A pressure sensor on a power steering pump?  Is there a warning light if the pressure drops below a certain level?
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Online goodfellow

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Re: Rodeo Power Steering Pump -
« Reply #4 on: November 25, 2017, 06:53:24 PM »
Great post, I always like a picture story on repairs - I always seem to forget to document.

A pressure sensor on a power steering pump?  Is there a warning light if the pressure drops below a certain level?

It's tied to the computer ('95s had a very basic ECU) to allow the engine to compensate for pressure demands on the power steering system. 

Online goodfellow

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Re: Rodeo Power Steering Pump -
« Reply #5 on: November 26, 2017, 11:05:22 AM »
Great post, I always like a picture story on repairs - I always seem to forget to document.


Well, how about a short tutorial on replacing filter caps on vintage car radios -- that would be a great thread!!!  thumbsup2 thumbsup2 thumbsup2

Offline stokester

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Re: Rodeo Power Steering Pump -
« Reply #6 on: November 26, 2017, 11:54:37 AM »
Great post, I always like a picture story on repairs - I always seem to forget to document.


Well, how about a short tutorial on replacing filter caps on vintage car radios -- that would be a great thread!!!  thumbsup2 thumbsup2 thumbsup2
I wasn't sure there would be any interest.

I'll put one together to include how the vibrator <insert joke here> is used.
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Offline Muddy

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Re: Rodeo Power Steering Pump -
« Reply #7 on: November 27, 2017, 09:30:28 PM »
Great post, I always like a picture story on repairs - I always seem to forget to document.


Well, how about a short tutorial on replacing filter caps on vintage car radios -- that would be a great thread!!!  thumbsup2 thumbsup2 thumbsup2
I wasn't sure there would be any interest.

I'll put one together to include how the vibrator <insert joke here> is used.
I have very little clue what your talking about so I'd be interested.

Sent from the twisted mind of the Mudman.

"And on the 8th day, God looked down on his planned paradise and said, "I need a caretaker." So God made a farmer."

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Re: Rodeo Power Steering Pump -
« Reply #8 on: January 13, 2018, 10:35:23 AM »
Update: sadly this was a fail. The pump only lasted for less than two months and will now have to be replaced. It started whining and grinding a few days ago. Glad I rebuilt the old one  to keep as a spare -- just in case the "factory rebuilt" part was a dud. My intuition was correct --

Offline fatfillup

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Re: Rodeo Power Steering Pump -
« Reply #9 on: January 13, 2018, 12:40:57 PM »
I am with you ray on reman and chicrap parts.  Its just hard to find anything better.
That scalloped box end is one of the few BB features that doesn't make Elroy puke

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Re: Rodeo Power Steering Pump -
« Reply #10 on: January 22, 2018, 03:34:29 PM »
I installed the PS pump that I rebuilt and the old Rodeo is quiet as a church mouse. The faulty re-man pump was sent back to Rock Auto, but they would only exchange it for another rebuilt unit. Hence, I'll have a spare pump again. That said, I think I know what the problem is with these reman pumps; they use the cheapest of the cheap shaft bearing. I ordered a quality main shaft bearing for my rebuild; whereas the reman pumps use a cheap generic Chinese bearings  -- you can feel the difference when removing the shaft and spinning the bearing in your hand.

Lesson learned again!! stay away from reman parts and either get OEM or a used unit from the salvage yard.

Offline Muddy

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Re: Rodeo Power Steering Pump -
« Reply #11 on: January 22, 2018, 07:41:27 PM »
I wouldn't say that all re-man parts are bad. For example CaseIH has an excellent reman program and are reliant on that market as well.

Sent from the twisted mind of the Mudman.

"And on the 8th day, God looked down on his planned paradise and said, "I need a caretaker." So God made a farmer."

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Re: Rodeo Power Steering Pump -
« Reply #11 on: January 22, 2018, 07:41:27 PM »

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