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I've got my power steering conversion working on my '70 F100. I used a steering box from a 69, and a power steering pump from an early 80's F150.
I got to thinking the other day and wanted to make sure, there's nothing wrong with running the newer pump with the older box, right? It's a bit whiny, and makes a noise kinda like pressure releasing when the engine is shut off.
My '69 F100 didn't come with power steering. I installed a '78 F150 Saginaw PS gear box and added a C-2 PS pump/brackets from an '82 F150 300 on my 240 inline six. I have no problems with this setup.
The biggest key to a whine-free PS pump is to prime the pump/system BEFORE you throw the belt on and bust the engine off.
I primed my pump with an angle drill and a 3/8" hex bit before I ever put the belt on and fired the engine up.
Have you been driving the truck or just test idling? If the JY pump had been abused in a prior life it my be whinny. To bleed the air out it takes several full right to full left or vise versa turns of the wheel to get it bled.
I've got my power steering conversion working on my '70 F100. I used a steering box from a 69, and a Ford C-II power steering pump from an early 80's F150.
I got to thinking the other day and wanted to make sure, there's nothing wrong with running the newer pump with the older box, right? It's a bit whiny, and makes a noise kinda like pressure releasing when the engine is shut off.
Ford C-II P/S pump introduced in 1978 F100/350; Bronco & Passenger Cars (except with Hydro-Boost).
This pump has a plastic reservoir, the P/S pressure hose has an o-ring on the pump end, connects to the pump w/a qwik connect fitting.
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1967/77 F100/350 & Passenger Cars (except 1972/77's with Hydro-Boost); 1969/74 Econoline; 1973/77 Bronco used the Ford-Thompson 'pencil neck' P/S pump.
This pump has a steel reservoir, the P/S pressure hose threads onto the pump.
---------------------------------------------------------------------------------------- Note: In 1969, there were TWO completely different types of P/S gearboxes. None of the parts interchange!
Bendix P/S: 1966/68 F100/250 2WD; 1969 F100/250 2WD before serial number D96,001.
Ford/Saginaw P/S: 1969 F100/250 2WD & F350 from serial number D96,001; 1970/79 F100/250 2WD & F350.
Thanks,
You're pump is the same one I have. My pump is from the junkyard, but do you think trying to prime it some more would help the noise?
I didn't chance it and turned the wrecking yard donor pump in for a newly rebuilt one. Whining from a hydraulic pump is a sign of cavitation (air in the pump). If it's let go too long, the pump will sustain damage and the whining from it will never go away.
The damage can easily come in the first few minutes after a pump is installed and the engine fired up. This is why I manually prime the PS pump with a variable speed drill motor. The slow revolutions of the drill are far lower than the speed of an idling engine.
My pump was quite from the first time I ever fired it up and has been quite for the two plus years since its installation.
Thanks guys. I'll check for leaks or bubbles. I had a a few leaks initially in the return line and cooler.
I didn't prime it manually, but fired the engine up with the wheels jacked up and did several full turns, refilled, repeated. Then I went from a couple test drives.
Sounds like I might have damaged it, or just got a bad JY pump.
My '69 F100 didn't come with power steering. I installed a '78 F150 Saginaw PS gear box and added a C-2 PS pump/brackets from an '82 F150 300 on my 240 inline six. I have no problems with this setup.
The biggest key to a whine-free PS pump is to prime the pump/system BEFORE you throw the belt on and bust the engine off.
I primed my pump with an angle drill and a 3/8" hex bit before I ever put the belt on and fired the engine up.
I read your post about the parts you used for your truck to install power steering. Would those work as well for mine? It’s a 1968 and it’s a incline 6 cylinder
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