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sprinkles08
sprinkles08, ASE Certified Technician
Category: Jeep
Satisfied Customers: 22363
Experience:  Chrysler/Dodge/Jeep Master Certified, ASE Master and Advanced Certified, Trans and Hybrid Specialist
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I have this same issue. I purchased an ACDELCO 36P1490 pump

Customer Question

Dave, I have this same issue. I purchased an ACDELCO 36P1490 pump from Rockauto, and it did not have the SBC/EVO, I had to transfer it from the old pump. I followed Jeep bleeding procedure, but initially I did not jack up the front wheels off the ground. I had full range power steering, but when I hit the end fluid sprayed out of the SBC/EVO where it connects into the pump so I pulled it out, took it all apart and this time I took apart the EBC/EVO and the rings looks wore so I replaced them with standard O rings. I put it all back together, no leaks :-), but now I have no power steering. I jacked up the wheels off the ground and steering is wonderful, have a small drip from where the reservoir connects to the pump, but the lines look good. However, when I put the wheels on the ground, I lose all power steering.
Any thoughts?
Submitted: 9 months ago.
Category: Jeep
Expert:  sprinkles08 replied 9 months ago.

Hello and welcome to JustAnswer!

Lack of assist with an aftermarket pump right out of the box is common. You most likely have a bad replacement pump, I could only recommend a Mopar.

What was the issue that the pump was replaced for?

Customer: replied 9 months ago.
Pump was poring out fluid, we would go through a bottle every other day.
Customer: replied 9 months ago.
I have looked at Mopar and unfortunately this part is discontinued, http://www.factorymoparparts.net/jeep/grand-cherokee/rl088139ac/1996-year/limited-trim/5-2l-v8-gas-engine/steering-cat/p-s-pump-and-hoses-scat/?part_name=p-s-pump . . . so unless I can find it 3rd party, I cannot take your recommendation for getting a Mopar Power Steering Pump. Isn't ACDelco GM owned? I remember growing up that is all dad ever bought for car parts.
Expert:  sprinkles08 replied 9 months ago.
AC Delco is General Motors.Do you have access to a power steering pressure gauge?
Customer: replied 9 months ago.
I don't have one personally, I can see if one of the local auto stores has a loaner. I found a cardone reman that comes with the high pressure port/EVO.
Expert:  sprinkles08 replied 9 months ago.

I would avoid Cardone above all others but it's obviously up to you.

CAn you post the VIN?

Customer: replied 9 months ago.
Cardone was the only one I have found with the SBC/EVO included. Honestly I was just getting it for those. Here is the VIN.
Expert:  sprinkles08 replied 9 months ago.

The part number for the pump with variable assist is 52088250 but there is no stock of it.

This would be a good choice for an aftermarket pump.

http://midwestjeepwillys.com/52088250.html