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PostPosted: Tue May 27, 2008 10:37 am 
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Joined: Tue May 27, 2008 10:09 am
Posts: 29
Location: Houston, TX
Year and Trim: 1999 Pontiac Bonneville SE - 200K miles
I recall from days gone by having seen instructions for replacing a water pump. I can not remember if they were specific to the SE, but I have not been able to locate them here. I would be very grateful for any help.

Thanks

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1999 Pontiac Bonneville SE - 200K miles


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PostPosted: Tue May 27, 2008 10:59 am 
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Joined: Sun May 18, 2008 11:07 pm
Posts: 65489
Location: Oregon WCBF'04, '05, '06, '07, '08, '09, '10, '11 Survivor
Year and Trim: .
93 SSEi
95 SLE (SC)
97 Buick LeSabre
Can you put your 99SE in your signature? That'll help us help you in your future posts.

Send a link to this topic to myfirstbonne. He just did a 95SE (same as yours) in my garage last month. Very straightforward. Our Techinfo articles are backed up offline and are being updated and edited before they can be uploaded again.

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PostPosted: Tue May 27, 2008 11:19 am 
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Location: Houston, TX
Year and Trim: 1999 Pontiac Bonneville SE - 200K miles
Done and thank you Will.

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PostPosted: Tue May 27, 2008 11:51 am 
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Joined: Mon May 19, 2008 12:35 pm
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Location: Ames, Iowa
Year and Trim: 98 Caravan is the daily driver 215K
If you need step-by-step help right away, consider buying a Chilton's Repair Manual (28200) for about $22 or you may be able to check it out from your local library for free. Even though I have been wrenching on cars for decades, I have a lot more confidence when I have good reference materials to consult.

Just a couple of things I remember from the last one I did on a Series II:

A long, square-shank screwdriver can be positioned between two of the pulley bolt heads to hold the pulley to allow you to loosen or tighten the bolts.

Make sure the surfaces where the gasket sits are flat and clean. Use new single edge razor blades and/or a carbide gasket scraper.

The four big water pump bolts go into coolant passages and will need thread sealant on the threads to prevent a possible leak.

I like to put a thin coating of rtv silicone on both sides of the water pump gasket, I don't know if it is necessary, but they don't leak that way.

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PostPosted: Tue May 27, 2008 12:55 pm 
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Location: Oregon WCBF'04, '05, '06, '07, '08, '09, '10, '11 Survivor
Year and Trim: .
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95 SLE (SC)
97 Buick LeSabre
I also put a light skimcoat on the water pump gasket, both sides.

Use a paper gasket. If your wp comes with the plastic gasket, don't use it. Get a paper/fiber gasket instead.

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PontiacDad at WCBF '04: Cruise control? That's like surrendering!
Comprehensive guide to troubleshooting, rebuilding, and modifying Eaton Superchargers


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PostPosted: Tue May 27, 2008 1:05 pm 
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Location: Hillsboro, Oregon
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2013 Buick Regal GS
On my 95 I also had to remove the Power steering pump. I just removed the mounting bolts and pushed it out of the way to get to the bolts. It also looks like the motor mount had to be removed, but it did not.


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PostPosted: Tue May 27, 2008 9:39 pm 
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Location: Charlotte, NC
Year and Trim: 96 SSEi- 157K
Yes, do be sure to use the RTV sealant. I was told it was a dry install gasket... did the whole PITA project- and it ended up leaking horribly. Had to do the whole silly thing all over again :roll: Especially if it's your first time doing this project it's a good security measure.

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