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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-27-2006, 02:22 AM   #1
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Default PS Pump

More like POS pump

Quote:
Add w/Supercharger Pump 96-99 ... 26043363 Image

Add 1995-99 w/o Elect Co ... 26043363 Image

Add w/Elect Control Pwr 92-94... 26045643 Image

Add w/Elect Control Pwr 95 ... 26046792 Image

Add 1992-94 w/o Elect Co ... 26031483 Image

Add w/Supercharger Pump 92-95 ... 26045642 Image
Which one should I get?! I thought the last one on the list but when I tried to order, it came up with:

Quote:
These part numbers were not found in our database: 260456. The part numbers you seek have either changed to a new part number or no longer available from GM. Please email [email protected] to verify the correct part numbers needed.
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Old 10-27-2006, 10:58 AM   #2
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John.. I'm with you on one of the 92-94 or the last with supercharged..

Do some more googling and you'll be able to narrow it down better.

It'* not POS pump.. it'* much more simple. You own a white car. All white cars are either fully cursed or being cursed at... (like the one right outside the door here)
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Old 10-27-2006, 11:09 AM   #3
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Default Re: PS Pump

Quote:
Originally Posted by driverjohn2005
More like POS pump

Quote:
Add w/Supercharger Pump 96-99 ... 26043363 Image

Add 1995-99 w/o Elect Co ... 26043363 Image

Add w/Elect Control Pwr 92-94... 26045643 Image

Add w/Elect Control Pwr 95 ... 26046792 Image

Add 1992-94 w/o Elect Co ... 26031483 Image

Add w/Supercharger Pump 92-95 ... 26045642 Image
Which one should I get?! I thought the last one on the list but when I tried to order, it came up with:

Quote:
These part numbers were not found in our database: 260456. The part numbers you seek have either changed to a new part number or no longer available from GM. Please email [email protected] to verify the correct part numbers needed.
Maybe try your search again, with the full part number?
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Old 10-27-2006, 12:00 PM   #4
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Default Re: PS Pump

The correct part# as per GM is 26045642...and it has the EVO electrical connector for the "magnasteer" feature...but good like finding it, because I spent more than a week looking for one for my '92 SSE */c last year, and according to my local dealers, their network of dealerships had only ONE new one on planet earth, and it cost $426! So I ordered one from gmpartsdirect, but within a day or so they informed me that the pump is not available. So I ordered a rebuilt pump from the dealership twice, yes twice, because both times the pump they received ended up being the wrong part when I went and looked at it!
I had the same problem with local AutoZone, Kragen, and Pep Boys stores. The pumps they said were the right one were not the right one. The pump# that turned out to be the right one was a rebuilt Cardone pump #20-42832; it comes with the reservoir, but not the EVO assembly. I removed the EVO assembly on my old one and installed it on the rebuilt one. My old OEM pump had #26021734 on its sticker, and mine didn't leak or squeal but made a rattling noise that was most noticeable at idle.

I recommend taking the pump off the car and bringing it in to compare with the replacement. Note that the reservoir and the EVO unit are removable, so the pump looks very different without those parts attached....and good luck removing your pump from the engine bay...disconnecting it is easy, but figuring out how to remove it from the engine bay is an entirely different matter! I spent hours trying to figure it out, and it seems it can only be removed from below, and even then, I had to rotate it several times and use some force to get it out. Putting it back in was a bit easier, but a bit of force is still required to move it past different areas near the wheel well. If you find an easy way to get the pump out of the engine bay, I'd like to learn how. The dealership mechanic said he removes a crossmember, but he didn't know what he was talking about...and he also said that a power steering pump doesn't make a rattling noise when it fails, but that'* what mine did, and he didn't believe me.
Good Luck.
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Old 10-27-2006, 12:40 PM   #5
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FYI, it has nothing to do with Magnasteer. The 92-95'* didn't have that feature. The correct feature is 'two-flow electronic'. The pump boosts pressure at low speeds to aid in steering for parking. RPO code T2V designates this feature and pump.
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Old 10-27-2006, 12:44 PM   #6
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Quote:
Originally Posted by willwren
FYI, it has nothing to do with Magnasteer. The 92-95'* didn't have that feature. The correct feature is 'two-flow electronic'. The pump boosts pressure at low speeds to aid in steering for parking. RPO code T2V designates this feature and pump.
For what it'* worth, the Pontiac dealership employees are the ones who used the word "magnasteer" when they talked with me, and these same people looked at my original pump and knew nothing about the actual function of the electronic part of the pump.
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Old 10-27-2006, 12:50 PM   #7
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Magnasteer in the 96 and newer Bonnevilles has nothing to do with the pump. Magnasteer is a function of steering rack design.

Your dealership is using the wrong terminology.
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