74 power steering
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Cargo Master
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74 power steering
So it looks like I have 2 leaks. PO told me it leaked but I topped it off and made it 1500miles home and 2months before I heard some squealing. I believe this crappy homemade seal might be one of the culprits and the other leaking is along the front bar probably an o-ring. Didn't know if there were any known issues I should address or if there are notorious leaking spots. Anyway I here are the pics of the box. I can get more if it'll help. I appreciate any help!
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Cargo Master
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Originally Posted by blue04.5
Is that a crack in the housing? Doesn't look right from my point of view.
Never mind, I see it better now.
Never mind, I see it better now.
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Cargo Master
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Originally Posted by blue04.5
Probably best to get it removed and up on a bench for some tlc.
Hopefully someone with some experience with one of those steering boxes will chime in for you.
Hopefully someone with some experience with one of those steering boxes will chime in for you.
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Cargo Master
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Originally Posted by blue04.5
It might be simple once you dive into it. Keep us posted and take pictures for referencing later.
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Ford Parts Specialist
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From: Simi Valley, CA
So it looks like I have 2 leaks. PO told me it leaked but I topped it off and made it 1500miles home and 2months before I heard some squealing. I believe this crappy homemade seal might be one of the culprits and the other leaking is along the front bar probably an o-ring. Didn't know if there were any known issues I should address or if there are notorious leaking spots. Anyway I here are the pics of the box. I can get more if it'll help. I appreciate any help!
The steering gear box used with 1973/75 F100 4WD & 1975 F150 4WD is the manual type, because it has nothing to do with Power Assist.
Lower parts catalog pic shows an exploded view of the Garrison Power Assist Control Valve.
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Cargo Master
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Originally Posted by NumberDummy
This is not a steering gear box, it's the Garrison Power Assist Power Steering Control Valve (shown as 3A730 in upper parts catalog pic).
The steering gear box used with 1973/75 F100 4WD & 1975 F150 4WD is the manual type, because it has nothing to do with Power Assist.
Lower parts catalog pic shows an exploded view of the Garrison Power Assist Control Valve.
The steering gear box used with 1973/75 F100 4WD & 1975 F150 4WD is the manual type, because it has nothing to do with Power Assist.
Lower parts catalog pic shows an exploded view of the Garrison Power Assist Control Valve.
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
The serial number is the last 6 digits of the VIN
Garrison Power Assist P/S: 1973 F250 4WD, 1974 F250 4WD before serial number T80,001.
Bendix Power Assist P/S: 1974 F250 4WD from serial number T80,001, 1975/77 F250 4WD (High Boys).
Pic: Bendix Power Assist P/S Control Valve:
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Cargo Master
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Originally Posted by NumberDummy
Two types of Power Assist P/S used in 1974 F250 4WD
The serial number is the last 6 digits of the VIN
Garrison Power Assist P/S: 1973 F250 4WD, 1974 F250 4WD before serial number T80,001.
Bendix Power Assist P/S: 1974 F250 4WD from serial number T80,001, 1975/77 F250 4WD (High Boys).
Pic: Bendix Power Assist P/S Control Valve:
The serial number is the last 6 digits of the VIN
Garrison Power Assist P/S: 1973 F250 4WD, 1974 F250 4WD before serial number T80,001.
Bendix Power Assist P/S: 1974 F250 4WD from serial number T80,001, 1975/77 F250 4WD (High Boys).
Pic: Bendix Power Assist P/S Control Valve:
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Cargo Master
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Pardon my ignorance on this, but I can't for the life of me get this power assist pump off. I disconnected the 4lines coming in and let the PS fluid drain. Then do I just unbolt the 4 screws on the side closest to the brake drums? Because I can't get them to budge nor can I get a grip on them. Anyone have any videos or how-to's for removing it?
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
Pardon my ignorance on this, but I can't for the life of me get this power assist pump off. 
I disconnected the 4 lines coming in and let the PS fluid drain. Then do I just unbolt the 4 screws on the side closest to the brake drums? Because I can't get them to budge nor can I get a grip on them. Anyone have any videos or how-to's for removing it?
I disconnected the 4 lines coming in and let the PS fluid drain. Then do I just unbolt the 4 screws on the side closest to the brake drums? Because I can't get them to budge nor can I get a grip on them. Anyone have any videos or how-to's for removing it?
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Cargo Master
Joined: Jun 2015
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Originally Posted by NumberDummy
This is not a P/S pump, it's the power steering control valve. 1974 from serial number T80,001 is the Bendix type. See pic:
Do you have any tips to get it off?