Water pump removal question - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 08-09-2004, 02:36 PM   #1
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Default Water pump removal question

Can the water pump on a '95 NA engine be removed/replaced without removing/disconnecting the motor mount that attaches to the frame side rail? Thanks.

Dave
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Old 08-09-2004, 04:51 PM   #2
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I'm not as familiar with Series II, but I think you need to remove the motor mount.
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Old 08-09-2004, 10:34 PM   #3
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Thanks for the replies. Jr'*, thanks for the tip about moving the power steering pump out of the way.
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Old 08-11-2004, 12:16 AM   #4
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Replaced the water pump today. No big deal as jr's3800 said. He was right about the bolts having 10mm and 13mm heads. The last bolt in the water pump that needs to have the power steering pump moved to be taken out is a 13mm however, not 10mm. I'm certainly not going to fault him on that though, he was right on everything else, probably working from memory.

For everyone else'* info, the 2 bolts holding the power steering pump on can be accessed through holes in the power steering pump pulley. The bolts are in about the 12 o'clock and 7 o'clock positions. Just undo those 2 bolts, no need to take them out of the pump body, move the pump out of the way just enough to remove that one bolt in the water pump, and the water pump can be removed once all the bolts are out.

Thanks again for the help.

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Old 08-11-2004, 10:54 AM   #5
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Quote:
Originally Posted by jr's3800
No problem dave.... The first time I had to do this I thought What The **** is this... I had to move the pump to get the last bolt... But it was pretty simple as compared to the L27 or 92-94 bonneville 3800...
What makes the L27 difficult? Having a 93, I'd like to know what I'll be getting into eventually!
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Old 08-11-2004, 11:38 AM   #6
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Yep, on the supercharged '92/'93 you'll need to support the engine and remove the engine mount. You'll also need to move the power steering pump out of the way and remove the large accessory bracket attached to the supercharger. Plan on spending several hours...
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Old 08-11-2004, 11:43 AM   #7
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Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by vital49
Quote:
Originally Posted by jr's3800
No problem dave.... The first time I had to do this I thought What The **** is this... I had to move the pump to get the last bolt... But it was pretty simple as compared to the L27 or 92-94 bonneville 3800...
What makes the L27 difficult? Having a 93, I'd like to know what I'll be getting into eventually!
You'll need to detach the torque axis mount..... Fun Fun..
And support the engine from the bottom? That'* similar to the process in order to change the belt on a Series II.
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Old 08-11-2004, 11:55 AM   #8
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Quote:
Originally Posted by vital49
Quote:
Originally Posted by jr's3800
Quote:
Originally Posted by vital49
Quote:
Originally Posted by jr's3800
No problem dave.... The first time I had to do this I thought What The **** is this... I had to move the pump to get the last bolt... But it was pretty simple as compared to the L27 or 92-94 bonneville 3800...
What makes the L27 difficult? Having a 93, I'd like to know what I'll be getting into eventually!
You'll need to detach the torque axis mount..... Fun Fun..
And support the engine from the bottom? That'* similar to the process in order to change the belt on a Series II.
Series II belt change should take less than 15 min, just drop the sleeve. in the axis mount.
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Old 08-11-2004, 12:06 PM   #9
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Series II belt change should take less than 15 min, just drop the sleeve. in the axis mount.[/quote]

That is unless the bolts are all rusted to sh**, and you need a torch to loosen things up
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