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Discussion Starter · #1 ·
I did a SAS a few weeks ago on my 97 Tacoma. we used a 94 4Runner IFS Box and my stock Tacoma PS Pump. My PS Pump makes a ton of noise. it's kindof a grinding noise. almost like when the pump is low on fluid, but it's not... I don't get it.

At first i thought it was just my pump, but i had a bud so a SAS this weekend also, and his is having the same problem....


What's up???

Thanks Steve
 

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Discussion Starter · #3 ·
Originally posted by OPP'S:
<STRONG>Did you bleed the system according to the Service Manual? Sounds like you may have air in the system.</STRONG>
I don't think my service manual would apply. i went from rack and pinion to recerc ball... I have cycled the steering back and fourth quite a few times, and it still sounds terrible, any other ideas???
 

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The noise that you described sounds familiar. I thought my PS pump was screwed up but it turned out that the idler pulley bearing was bad.
 

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Originally posted by NorcalVP:
<STRONG>I don't think my service manual would apply. i went from rack and pinion to recerc ball... I have cycled the steering back and fourth quite a few times, and it still sounds terrible, any other ideas???</STRONG>
There is also a bleeder valve (looks like a brake bleeder valve) that is on the steering box. I do not have my manual in front of me but I think it goes something like this. Cycle back and forth 4 times, check the fluid, cycle back and forth 4 more tines the open the valve on the steering box and bleed the air off the box. Manual says to put a hose on the bleeder and into a jar with fluid just like when you bleed brakes. I think!~!
<IMG SRC="smilies/confused.gif" border="0"> <IMG SRC="smilies/confused.gif" border="0">

[ 09-06-2001: Message edited by: OPP'S ]
 

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Sounds waaay too familiar, i just swapped on a different pump still same noise, now i'm thinking it's the idler pulley bering
 

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Discussion Starter · #8 ·
Originally posted by OPP'S:
<STRONG>
There is also a bleeder valve (looks like a brake bleeder valve) that is on the steering box. I do not have my manual in front of me but <IMG SRC="smilies/confused.gif" border="0"> <IMG SRC="smilies/confused.gif" border="0">

[ 09-06-2001: Message edited by: OPP'S ]</STRONG>
Thanks i will try that this weekend
do you think there is a possibility that i put the lines on backwards? Which goes where..
 

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I don't ?think? the lines, high and low pressure, are interchangable, different size threads??

Let us know if if it works
 

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Originally posted by OPP'S:
<STRONG>There is also a bleeder valve (looks like a brake bleeder valve) that is on the steering box. I do not have my manual in front of me but I think it goes something like this. Cycle back and forth 4 times, check the fluid, cycle back and forth 4 more tines the open the valve on the steering box and bleed the air off the box. Manual says to put a hose on the bleeder and into a jar with fluid just like when you bleed brakes. I think!~!
<IMG SRC="smilies/confused.gif" border="0"> <IMG SRC="smilies/confused.gif" border="0">
</STRONG>
If its an older style box, I don't think it has a bleeder... but I think you can do the same thing by loosening the lock nut on the top of the box...?
 

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What about pulling the return line at the pump and then turning the wheel while someone tries to dump fluid in as fast as it is coming out?
 
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