Power Steering Pump Question - Team Camaro Tech
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post #1 of 5 (permalink) Old Nov 2nd, 00, 06:30 PM Thread Starter
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Location: Orangevale, CA
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Question

When my '67 is standing still and I crank the wheel the power steering pump squals... only happens at stand still or VERY slow speed - if moving - no problem.

When I watch the pump the pulley seems to stop momentarily (thus the squal).

Does this mean I need to rebuild / replace? Haven't looked yet - is this numbered or date coded? How hard is rebuild - need a professional? If so - what's best way to find someone....

I've never had problems with a PS Pump before - so I could use some expert advice....

Thanks

Steve


[This message has been edited by Dobek (edited 11-02-2000).]
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post #2 of 5 (permalink) Old Nov 3rd, 00, 03:10 AM
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Jim
 
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Hey Steve....

Hows the belt tension and condition of the belt? If your in need of a new pump, its probably cheaper to get a rebuilt unit. I didnt see any date codes on mine when I glass beaded mine. I do believe the caps are different thru out the years tho.

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post #3 of 5 (permalink) Old Nov 3rd, 00, 04:54 PM
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Steve,

The GM pump gives so little trouble if I was you I would go to the wrecking yard and get a used pump. I have not had good luck with rebuilt pumps lately.

One might say that a early pump will be scarce used. The GM pump interchanges for many years, the things to watch for are; the big 1" nut where the line screws in can be for oring fitting, use the one out of your old pump it will fit. Under the big nut there is a spring and valve, use these out of your old pump also, as they match your car. Also if the can and return looks different use the orignal can on the used pump.

You can go to the local parts store and get a o-ring kit for the year of your car. You will need a special puller and installer for the pulley, unless it is a bolt on pulley, if it is, the replacement pump will need to be the same.

Upon assembly there are square o-rings, thick, and thin ones both come in the kit pay attention when taking it apart as to which are in it. Put these o-rings on the pump , with grease to hold in place, then installthe can.

The press reg under the big nut goes like this, spring, valve, then the big nut.

Larry
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post #4 of 5 (permalink) Old Nov 3rd, 00, 07:55 PM
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David Pozzi
 
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It's just your belt. It's either bad or needs to be tighter.
It can be difficult to properly tension the PS belt.
If the pump wore out, it wouldn't be able to make pressure and would not be able to create a load on the belt unless something jammed inside.
They usually last 150+ miles, and then leaking is the problem.
David

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post #5 of 5 (permalink) Old Nov 4th, 00, 11:43 AM
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William
 
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You may have air trapped in the pump/lines. Check the AIM or Shop Manual for instructions on bleeding the system.
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