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Replacing the Power Steering Pump

Old 10-23-2012, 08:32 AM
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Replacing the Power Steering Pump

I did a search and didn't find too much info on how to replace it. I consider myself to be a decent "Handy Homeower type of Mechanic".

...so, how easy/difficult is it to replace the power steering pump? I have a 91 Z28 with the 5.7TPI. I have Haynes Manual but It has been misplaced, so that does me no good.

Any help/pointers/advice would be greatly appreciated.

Thanks in Advance.
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Old 10-23-2012, 10:24 AM
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Re: Replacing the Power Steering Pump

Its not hard at all. I took mine off to paint it. You just a pulley puller and a few wrenches.
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Old 10-23-2012, 10:44 AM
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Re: Replacing the Power Steering Pump

You can 'rent' the pulley remover from AZ or one of the others for 'free'. Don't try to use a regular claw type puller on it. You could probably even take the old one in and swap them at the counter.

I'd go ahead and install an in-line power steering filter on the system to clean any crap from the old pump out. For a few dollars you can get one that slides inside the return line. Cheap insurance.
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Old 10-23-2012, 01:06 PM
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Re: Replacing the Power Steering Pump

OK...Is this the inline filter you are referring to:

http://shop.advanceautoparts.com/web...eywordless--ad
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Old 10-23-2012, 01:10 PM
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Re: Replacing the Power Steering Pump

Follow up question...approx how many quarts of PS Fluid will I need to refill everything?

If I read it correctly, I don't need to take the pulley off to remove pump from the engine...is that correct? Because a friend of mine offered to remove/swap the pulley, I just need to bring it to him. I plan on removing the pump this weekend.
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Old 10-23-2012, 01:11 PM
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Re: Replacing the Power Steering Pump

Harbor Feight-$12.99

Works like a charm, directions included. Ive used mine probably 30 times over the years so it is durable

http://www.harborfreight.com/pulley-...set-40749.html
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Old 10-23-2012, 01:13 PM
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Re: Replacing the Power Steering Pump

That's the right filter.

You won't have to remove the pulley to remove the pump, but you will have to remove the pulley to install the new pump onto the pump mount (and the new pump won't have a pulley). You'll see. It's very simple. Just be careful not to put pressure on the new pump reservoir when tightening the belt.

One quart will likely be more than enough.
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Old 10-23-2012, 01:27 PM
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Re: Replacing the Power Steering Pump

...and if you want to go the trick route I run about 3 qt fluid into a hydroboost, and cooler, and then a remote reservoir with dual return lines and a massive internal filter. I can pull the cap and still put my finger into the fluid even after an haur of nornal cruising down a freeway- its stays that cool.
Attached Thumbnails Replacing the Power Steering Pump-sam_0895.jpg   Replacing the Power Steering Pump-sam_0896.jpg  
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Old 10-23-2012, 02:42 PM
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Re: Replacing the Power Steering Pump

Originally Posted by SlickTrackGod View Post
...and if you want to go the trick route I run about 3 qt fluid into a hydroboost, and cooler, and then a remote reservoir with dual return lines and a massive internal filter. I can pull the cap and still put my finger into the fluid even after an haur of nornal cruising down a freeway- its stays that cool.
Your engine is so darn purty, In the next couple of years I will hopefully be swapping an LS3 and T56, at that time I will try and pretty her up.
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Old 10-23-2012, 02:43 PM
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Re: Replacing the Power Steering Pump

Thank you guys for all the tips and advice.
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Old 09-13-2014, 11:34 PM
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Re: Replacing the Power Steering Pump

I know this post is a bit old but it keeps with the theme of a follow up question.

In regards to the inline p/s fluid filter, MUST it go on the pump inlet hose, or can it go on the outlet hose as long as it's flowing in the proper direction, away from pump?

Directions are pretty clear about it going to the pump but there's no way I'm getting it to work with the stock set up with that tight azz loopdy loop. Only the return offers enough straightaway hose possibility to allow the space needed to make it work.

Any ideas???
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Old 09-14-2014, 10:36 AM
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Re: Replacing the Power Steering Pump

Originally Posted by 92RSConvert View Post
I know this post is a bit old but it keeps with the theme of a follow up question.

In regards to the inline p/s fluid filter, MUST it go on the pump inlet hose, or can it go on the outlet hose as long as it's flowing in the proper direction, away from pump?

Directions are pretty clear about it going to the pump but there's no way I'm getting it to work with the stock set up with that tight azz loopdy loop. Only the return offers enough straightaway hose possibility to allow the space needed to make it work.

Any ideas???
No. The outlet hose is high pressure, the inlet/return hose is low pressure.
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Old 09-14-2014, 07:34 PM
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Re: Replacing the Power Steering Pump

Ahhhh....

Yup, that makes sense then. Thanks for the info. mate!
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Old 08-10-2015, 07:58 PM
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Re: Replacing the Power Steering Pump

I replaced the pump on my 1991 z28. Here's what I did
Disconnect battery
Disconnect (2) terminals behind alternator
Alternator is mounted to bracket with 3 bolts (1) being a long torx - remove those and unit should be free
Next I disconnected the pressure and return
Line at the pump.
Then remove the two upper torx screws 1 lower and (2) 1/2" nuts
The bracket with the pump still attached should slide off the 2 studs mounted to the block and head.
You will need a puller to remove the pulley to get the remaining 3 torx that mount the pump to the bracket.
Re-re pump
Press in pulley and then begin to remount bracket.
Inspect hoses and replace if required
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Old 11-14-2015, 02:19 PM
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Re: Replacing the Power Steering Pump

Thank you restopro! Couldn't get the bracket off so I checked my trusty site. I missed one of the upper torx. Great write up.
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Old 11-21-2015, 05:16 PM
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Re: Replacing the Power Steering Pump

Originally Posted by Spdrcr View Post
Thank you restopro! Couldn't get the bracket off so I checked my trusty site. I missed one of the upper torx. Great write up.
happy to help!!
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Old 11-12-2016, 09:07 PM
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Re: Replacing the Power Steering Pump

Here's how:
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Old 12-22-2018, 01:07 PM
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Re: Replacing the Power Steering Pump

I followed the directions in the video JRobling posted. Pretty easy. That way I didn't have to remove the alternator or the bracket they are attached to.
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