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post #1 of (permalink) Old 07-18-2018 Thread Starter
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Power steering pump and reservoir issues, NEED HELP!

I just replaced my power steering pump on 2004 Chevrolet Impala 3.4. Pump is reman purchased from Advance auto and reservoir is Dorman part purchased from rock auto, part no. 603905. Ok, I placed the o ring on the groove of the reservoir after lubing it up in ps fluid, prestone brand. I hammered in gently the locking tabs on the pump and pressed the lock tabs into place with a flathead screwdriver. After installing it, the damn pump is leaking from underneath! Dripping fluid and making a mess! Also it growls its butt off with a foamy, looking like beer in the reservoir. I also kinda "straighten" out the reservoir to make it a bit leveled with the pump, still dripping! With my problem being said and I am at my wits' end, WHAT can I do to fix this problem? It's costing me money from doing my Uber and Lyft job even though I have a regular full-time job that pays above decently, but cannot wait every 2 weeks to get paid. Please do not tell me to use Lucas stop leak, I will not use stop leak products. Just tell me a permanent solution to this problem.
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post #2 of (permalink) Old 07-19-2018
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Do you have the original reservoir? If, so try swapping it back onto the pump an see if the issue goes away.
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Originally Posted by 1970cs View Post
Do you have the original reservoir? If, so try swapping it back onto the pump an see if the issue goes away.
Unfortunately, I do not, I've thrown it away some time ago when I replaced it. However, as I was studying the pics on ebay for an original, salvaged PS pump for the same car, I've noticed that the reservoir clips are positioned a little differently where the locking tabs are touching the pump body grooves which gives the reservoir to pump body a more even look, whereas my has the reservoir leaning in one angle because I hammered the locking clips till it touches the reservoir body. If I redo it to the point as in the ebay pictures then maybe the problem is solved, if not, I'll just have to buy another pump with reservoir built in, but however they are limited to 2000-03 Impalas and is NOT compatible with an 04-05, but that maybe some bs.
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post #4 of (permalink) Old 07-19-2018
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Might try pulling the reservoir off and reseating it. Possible something did not get lined up right with the reservoir, o ring may not be seated right. If that didn't work, I would be tempted to call the local salvage yards and see if any have a complete ps pump assembly.

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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Might try pulling the reservoir off and reseating it. Possible something did not get lined up right with the reservoir, o ring may not be seated right. If that didn't work, I would be tempted to call the local salvage yards and see if any have a complete ps pump assembly.
That'll be my last option if my proposed solution doesn't work. However, I am persuaded that a complete reservoir and pump for a 2002 Impala 3.4 may work despite the warnings from the Advance auto parts saying it may not work. Since their pressure hose is the same all across the years, it will work. But we'll see! I'll give you an update on the project upon completion.
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UPDATE: I just reseated the PS reservoir where the locking tab notches lined up with the ps pump body. It stopped 99% of the leak, however, I see a very slow drip from the pump still :/ I assume that maybe normal break in but who knows? Anyway, I bled the system by turn the wheel lock to lock with car off and wheels off the ground, and repeated with engine running. However, the pump is still noisy while turning. As far as steering performance is concerned, it still steers fine, but just noisy while accelerating. I see small air bubbles in the reservoir, but not like beer foamy. I may consider exchanging the pump this weekend to finally cure it. At least, I know what the problem was from the beginning. But also since they recommend bleeding the system with a vacuum pump and I don't have the money to buy one, can I take it to a shop to do that for me?
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post #7 of (permalink) Old 07-20-2018
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Quote:
Originally Posted by tonydaman04 View Post
That'll be my last option if my proposed solution doesn't work. However, I am persuaded that a complete reservoir and pump for a 2002 Impala 3.4 may work despite the warnings from the Advance auto parts saying it may not work. Since their pressure hose is the same all across the years, it will work. But we'll see! I'll give you an update on the project upon completion.
Dunno if they are the same or not or if they are the same fit, but often times the counter people at parts stores are no more knowledgeable about such than what they hear from other people that come in the store. There are some that act like they are master mechanics, which if were the case, I seriously doubt they would be working a minimum wage job behind a parts counter.

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UPDATE: I just reseated the PS reservoir where the locking tab notches lined up with the ps pump body. It stopped 99% of the leak, however, I see a very slow drip from the pump still :/ I assume that maybe normal break in but who knows? Anyway, I bled the system by turn the wheel lock to lock with car off and wheels off the ground, and repeated with engine running. However, the pump is still noisy while turning. As far as steering performance is concerned, it still steers fine, but just noisy while accelerating. I see small air bubbles in the reservoir, but not like beer foamy. I may consider exchanging the pump this weekend to finally cure it. At least, I know what the problem was from the beginning. But also since they recommend bleeding the system with a vacuum pump and I don't have the money to buy one, can I take it to a shop to do that for me?
With reseating almost eliminating your leak, would suspect that either it still is not properly seated, or there is a fitment issue. And no, leaking is not part of a break in. As far as the noise, it may be low on fluid.

I have not changed a pump on your specific model car, but I have never used a vacuum system to bleed any power steering pump when changing one.

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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post #8 of (permalink) Old 07-20-2018
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Originally Posted by 12 lt View Post
I have not changed a pump on your specific model car, but I have never used a vacuum system to bleed any power steering pump when changing one.
FWIW, that was prescribed on my 07 Pontiac G6 (3.5 liter LZ4) when I replaced the pressure hose a few years ago.

HTH

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post #9 of (permalink) Old 07-22-2018 Thread Starter
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UPDATE: So I went ahead and replaced the ps pump with a Cardone brand p/n 20-57888 complete with power steering reservoir. Good thing, I was able to exchange it and pay a small difference. It stopped the leak, bleed it both with car off and then car on, but still makes that whine sound while accelerating and turning, but not as bad as before. So therefore, but I think I need to do a vacuum bleed, which will cost me a $42.00 vacuum pump and adapter kit from amazon. But, I am going on vacay to California so that'll be done when I get back The leak stopped, I'm happy, but another unrelated problem emerged, which will be discussed on another thread.
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post #10 of (permalink) Old 07-23-2018
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Good to hear you got the leak stopped. Think you will come out cheaper buying the mityvac versus paying a shop.

Quote:
Originally Posted by plano-doug View Post
FWIW, that was prescribed on my 07 Pontiac G6 (3.5 liter LZ4) when I replaced the pressure hose a few years ago.

HTH

Doug

.
Right, why I noted that I had not personally changed one specific to his model car. Last one I changed was on a chevy truck, hand primed the pump then installed it.

My 6 year constantly asks why. What adults can learn from 5 and 6 year olds, to listen with your ears and mind open. Hard to learn when you don't listen ......
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post #11 of (permalink) Old 07-23-2018 Thread Starter
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Good to hear you got the leak stopped. Think you will come out cheaper buying the mityvac versus paying a shop.



Right, why I noted that I had not personally changed one specific to his model car. Last one I changed was on a chevy truck, hand primed the pump then installed it.
What do you mean by hand prime the pump?
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I have exact leak where reservoir shaft Nd the pump meet. Is the only solution to buy a pump with reservoir? I already aligned the clips but I'm still leaking. How many o rings is there supposed to be?
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