Burning through power steering pumps - JeepForum.com
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post #1 of 26 Old 02-28-2019, 05:34 PM Thread Starter
Mavalon
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Burning through power steering pumps

Hi all,

On my 4th power steering pump installed by same shop. They put a cardone PS pump on there less than a month a ago and it too has a leak. They claim its due to my bigger tires over stressing the seals. I Have 31" tires on. I trust this shop as they have serviced this twice already free of charge and have done good work in the past. Would like any ideas on how to address this and stop this slow PS leak that keeps happening.

Cheers

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post #2 of 26 Old 02-28-2019, 07:01 PM
Photoweborama
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Well, I have stock tires.
245/70/16.

They measure out at 30Ē tires. Would one inch make that much more stress?


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post #3 of 26 Old 02-28-2019, 07:06 PM Thread Starter
Mavalon
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In theory a heavier tire would require more work from the pump.
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post #4 of 26 Old 02-28-2019, 07:35 PM
2oldjeeps
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Quote:
Originally Posted by Mavalon View Post
In theory a heavier tire would require more work from the pump.

if thats it there would be THOUSANDS of guys with the problem , maybe millions!!!

99wj,143,000 miles
00xj,177,000 miles
10hummer3,74,000 miles
98xj,130,000 miles
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post #5 of 26 Old 02-28-2019, 07:42 PM
leadsled jeep
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Sounds Ike they are installing poorly remanufactured pumps. Or something else is screwy. No way is it your slightly oversized tires.

'02 Overland ~217k miles. OEM Engine/ Tranny. 2.5" Springs, All new control arms and Addco Sways.
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post #6 of 26 Old 02-28-2019, 08:05 PM
sdg3205
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Itís not your tires. Get a genuine mopar pump. My original lasted 14 years. Got my second genuine mopar pump from kolak in 2015 and have had no issues. I also have the hydraulic fan which arguably places more stress on the pump than SLIGHTLY larger tires but I also run 31Ēs.
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post #7 of 26 Old 02-28-2019, 08:12 PM Thread Starter
Mavalon
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I also have the hydraulic fan. They upgraded me to a brand "new" pump after the multiple remanufactured ones.
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post #8 of 26 Old 03-01-2019, 12:18 AM
Kolak
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There's seemingly an issue with the majority of brands of replacement steering pumps for the WJ. I've stopped selling pumps as a result. I've tried brand new Mopar, remanufactured Mopar, brand new Crown and brand new Cardone and they all fail fast. Your best bet is to get one locally at Autozone, O'reilly etc so at least you can easily warranty exchange it when if fails.
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post #9 of 26 Old 03-01-2019, 08:49 AM
Jeeples
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It appears there may be a simple install error on the o-ring for the reservoir as detailed here:

https://www.jeepforum.com/forum/f310...rvoir-4282457/

Given that many pumps are rebuilt by the same company and simply labeled under different brands, it stands to reason that most of these are failing/leaking in the same fashion (a cursory search on here seems to indicate that's what is happening).

This has shades of the great Vari-Lok/Non-Vari-Lok CV axle issue from 8 years ago or so. A1 Cardone had the improper part numbers listed for Vari-Lok CV axles, leading to one of the sides being too short to properly engage the carrier in the front axle. Since A1 Cardone, at the time, supplied a large portion of reman CV axles for various brands there were tons of people getting the wrong axle shafts from various suppliers.

His: '00 WJ 4.7 Limited- Some stuff

Hers: '03 WJ 4.7 Laredo- Some more stuff


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This is easily the worst post, and thread, I have ever seen in 7 years of being on JF.
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post #10 of 26 Old 03-01-2019, 08:56 AM
smokeyyank
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Reman pumps are always a crap shoot. Especially any overseas stuff. You can look into redhead steering or Lares. Both here stateside and do decent work. I ran a WJ pump on my XJ, never an issue. That was also with 33's locked. Shop claiming that your tires is the cause is BS. Where is it leaking from?
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post #11 of 26 Old 03-01-2019, 09:43 AM
paulvon
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I would try putting a filter on the power steering return line. If there is any contamination it might be causing a problem.

I have replaced my pump filled the system but I still had an issue with my hydraulic fan until I did that.

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post #12 of 26 Old 03-01-2019, 12:26 PM
99wjtx
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It seems like I came across a rebuild kit for the pump once and it only had a few parts. Maybe they're not too hard to do? The seals and bearing(s) are probably off-the-shelf components that could be sourced from trusted or good quality manufacturers.

The thing is, when one goes out you tend to need it yesterday. Swapping out an entire pump is a known quantity for time and expense whereas attempting a rebuild is more uncertain, which is why I haven't attempted or really looked into it yet. Between two WJs and about 13 years of ownership, I've gone through, I think, 5 pumps myself. I'm not hard on them and I have no suspension mods.
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post #13 of 26 Old 03-01-2019, 06:18 PM
ShinyWJ
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Quote:
Originally Posted by paulvon View Post
I would try putting a filter on the power steering return line. If there is any contamination it might be causing a problem.

I have replaced my pump filled the system but I still had an issue with my hydraulic fan until I did that.

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Which line is that? I'm going to put in a remanufactured pump and used hydro fan and would like to put a filter in as well. Thanks

2002 WJ Limited | 4.7 | Quadra-Drive | Inferno Red Pearl | Dark Slate Gray
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post #14 of 26 Old 03-01-2019, 07:16 PM
paulvon
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There are two returns for the 04 with the 4.7L.

I put it on the return for the steering circuit not the hydraulic fan.

I did a write up on it in another thread.
https://www.jeepforum.com/forum/f310...again-4318871/

The one change I would make is to mount it a little lower.

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1997 ZJ 4.0 L - Upgraded to heavy 93 sway bar
2004 WJ 4.7 L - 2 1/2" lift
2011 KK 3.7 L

Last edited by paulvon; 03-02-2019 at 03:51 PM. Reason: Added detail
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post #15 of 26 Old 03-05-2019, 06:23 PM
mxxx_rooster
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Hi! I have a 2000 WJ w/4.7 and had a problem much like this. I first purchased a Mopar rebuilt online and it leaked badly after installation. Since the vehicle was non-operable and I need it for transportation I went up to OReilly and bought another rebuilt pump of whatever their brand offered was, and it leaked, too! I returned it for another rebuilt and AGAIN I had a leak!!! What solved the problem? A NEW pump. Apparently most of the power steering pumps do not leak because of bearings or seals, but because the reservoir rusts thru on the backside (where you can't see because it is a fraction of an inch from the housing/body or the pump). They rebuild the actual mechanism but the problem was always the actual reservoir. They say that they test them, and there was always a thin layer of power steering fluid in the rebuilt pumps, but I guess they don't do a very good job of doing so or just look at the bearings/seals, etc and not the actual tank that isn't in clear site anyway. Hope this helps...
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