1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Power to manual steering

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Old Apr 9, 2014 | 11:06 AM
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Power to manual steering

Ok is it as simple as removing old steering box and pump and bolting in the manual steering box like on most cars? Or is there something else I need to do? I can get a manual box from the local scrap yard cheap so I want to dump the powersteering.
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Old Apr 9, 2014 | 11:46 AM
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The shaft is different also. You have to replace everything.
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Old Apr 9, 2014 | 12:08 PM
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Or you can just disable the power steering pump on the PS system and drive it as is.

Some folks even like this better than the stock manual system, I've done it with a couple of my GSLs.
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Old Apr 9, 2014 | 12:32 PM
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The column, as mentioned, is different. Two-piece vs. one-piece.

Do not scrap the box. They're unobtainium and have been NLA for quite some time now.
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Old Apr 9, 2014 | 12:50 PM
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i just took all associated PS stuff off, put some gear oil in the box and looped the lines. Though now i'm taking the fittings out and replacing with bolts.
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Old Apr 9, 2014 | 10:05 PM
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What shaft?
And this think turns like **** with it unhooked. I took the belt off just to see how it was.
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Old Apr 9, 2014 | 10:24 PM
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With the car sitting in the driveway the manual steering will steer like **** too, just not quite as shitty as the disabled power steering.

This is because the gear ratio for the manual is larger than for the power set up (which is why some folks prefer the disabled PS system).

But when you're rolling, it doesn't matter, so who cares?

The shaft is the thing that connects the steering wheel to the steering box. As noted above, the manual system is one piece and the power system is two piece.

And, as noted above, you will have to replace the shaft if you want to replace your PS with a manual system.

And replacing the shaft is a PITA.
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Old Apr 10, 2014 | 12:34 AM
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Depowered P/S is about as heavy as a manual box. P/S with the belt off is very heavy because you're pushing the fluid around.
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Old Apr 10, 2014 | 02:17 PM
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Originally Posted by ray green
With the car sitting in the driveway the manual steering will steer like **** too, just not quite as shitty as the disabled power steering.

This is because the gear ratio for the manual is larger than for the power set up (which is why some folks prefer the disabled PS system).

But when you're rolling, it doesn't matter, so who cares?

The shaft is the thing that connects the steering wheel to the steering box. As noted above, the manual system is one piece and the power system is two piece.

And, as noted above, you will have to replace the shaft if you want to replace your PS with a manual system.

And replacing the shaft is a PITA.
Yeah does sound like a pita to remove the steering shaft.

Originally Posted by peejay
Depowered P/S is about as heavy as a manual box. P/S with the belt off is very heavy because you're pushing the fluid around.
Makes sence.

And my power steering has been acting up any way. One minute it's working right and the next it's hard to turn.
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Old Apr 10, 2014 | 03:54 PM
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Why not just keep the P/S box as described? P/S box is really nice, closer ratio... I actually like the operative P/S...
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Old Apr 10, 2014 | 05:05 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by black82gsl
And my power steering has been acting up any way. One minute it's working right and the next it's hard to turn.
you may wanna have a stab at fixing it, it has a variable assist thing, its very simple, maybe its just out of adjustment?
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Old Apr 10, 2014 | 07:34 PM
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Originally Posted by j9fd3s
you may wanna have a stab at fixing it, it has a variable assist thing, its very simple, maybe its just out of adjustment?
I'll have to take a look. Wouldn't mind loosing a little weight and less for the little 12a to have to turn lol. If my ac didn't work is dump that too. It's heavy but quite nice in the summer.
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Old Apr 10, 2014 | 09:37 PM
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I am old, and remember the manual steering on older cars. The manual box is said to have better feel and preferred for drifting...I don't take my car drifting, So,I disagree, the P/S on my 85 GSL is great...With better feel on the street...
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Old Apr 11, 2014 | 10:38 AM
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I have a power steering pump on an engine sittings here in the garage. I'll never use it. Give it to ya cheap just can't confirm if its good or whatever cause I never drove the car the engine came from
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Old Apr 11, 2014 | 11:29 AM
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That's ok I'm not gona waste my time or money on a different pump. If anything I'll take it off and fill the steering box with lube like the other guy did.
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